# Portland, ME Entry Door Replacement

- Link: https://mycoastalwindows.com/exterior-doors/portland-me-entry-door-replacement/
- Published: 2026-10-05T07:44:23-04:00
- Author: Jeremy Wood

# Top Patio Door Installation in Portland, Maine

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## Best Door Replacement Companies in Portland for Casco Bay Homes

Salt wind off Casco Bay tests every threshold on this peninsula, including your 
doors! Coastal Windows & Exteriors has completed 7,000+ installations since 2011
across 730+ towns in MA, NH, and ME, backed by 1,000+ verified reviews and a 4.8-
star Google rating. Pick any color from the Sherwin Williams catalog, with custom
color matching available on request. ProVia entry doors and Soft-Lite sliding patio
doors arrive built in the USA for New England weather. Few door replacement companies
in Portland offer that range of finishes. Enjoy patio door installation in Portland,
along with fiberglass entry doors and steel doors. Book a free estimate today!

![A dark entry door with decorative glass sidelights creates a polished and welcoming
front entrance. Although the image shows an entry system, homeowners considering
patio door installation in Portland ME can apply the same focus on proper sealing,
efficiency, and professional installation.](https://mycoastalwindows.com/wp-content/
uploads/2026/09/Portland-ME-Southern-Maine-Door-Installation-Drafty-Entry-CoastalWindows-
768x650.jpg)

![This bright living room includes a large glass patio-style door that opens the
interior to the outdoors. Patio door installation in Portland ME can replace warped
or difficult-to-operate doors while improving access, appearance, and comfort.](
https://mycoastalwindows.com/wp-content/uploads/2026/09/Portland-ME-Southern-Maine-
Door-Replacement-Door-Warp-CoastalWindows-768x512.jpg)

![A wood exterior door with glass sidelights shows the warm, finished look of a 
well-designed entrance system. Homeowners planning patio door installation in Portland
ME can also prioritize energy-efficient glass, quality framing, and dependable weather
sealing.](https://mycoastalwindows.com/wp-content/uploads/2026/09/Portland-ME-Southern-
Maine-Door-Replacement-Energy-Efficient-CoastalWindows-768x586.jpg)

### Coastal-Ready Build

Fiberglass reads like real wood without rot, swelling, or a sanding weekend. Wet
spring air has no effect on the finish.

### American Made

ProVia Entry Doors and [Soft-Lite Sliding Patio Doors](https://mycoastalwindows.com/sliding-glass-doors-how-to-choose-the-right-door-for-you/)
are made in the USA. Every unit ships from a domestic plant to your driveway.

### Award-Winning Efficiency

ProVia is the only door manufacturer to ever win Energy Star Partner of the Year.
Nine wins sit behind that glass.

### Low-Maintenance Living

Weekends belong to the water, not to scraping and repainting a slab. These doors
ask for soap and a soft cloth.

### Endless Color

Choose any color from the Sherwin Williams catalog, plus custom color matching available.
Your palette has no limit here.

### Strong Resale Return

[Steel doors deliver 216% ROI](https://mycoastalwindows.com/top-5-upgrades-to-maximize-your-homes-roi/),
one of the strongest paybacks in remodeling. Curb appeal and payback arrive together.

###  Where can you find patio door installation in Portland?

Homeowners find patio door installation in Portland through certified local installers
with factory training and verified public reviews. Coastal Windows & Exteriors is
New England’s #1 woman-owned exterior remodeler, serving 730+ towns across Massachusetts,
New Hampshire and Maine with 7,000+ installations completed since 2011, and our 
[full exterior door lineup](https://mycoastalwindows.com/doors/) covers ProVia entry
doors and Soft-Lite sliding patio doors built in the USA.

#### **What separates a qualified door company from the rest**

Vetting a contractor gets simpler with a short checklist:

 * **Manufacturer certification:** Factory-trained installers learn directly from
   door makers like ProVia, so your unit gets fitted to plant specifications rather
   than guesswork.
 * **Verified review volume:** Public ratings across many years show consistent 
   crews, not a lucky season, and 1,000+ verified reviews paired with a 4.8-star
   rating signal durability.
 * **Defined service radius:** Companies serving 730+ towns keep local crews rather
   than subcontracting strangers, which protects scheduling and accountability on
   your project.
 * **Written estimates:** Clear line-item pricing before signing removes surprises,
   and a free in-home measurement should never carry a fee or a pressure clause.
 * **Product coverage and after-sales service:** Coverage matters to 92% of window
   and door professionals surveyed, so ask what happens after the crew drives away.
 * **Material guidance:** A strong advisor walks you through fiberglass, steel, 
   and wood trade-offs before showing a single price sheet.

#### **Top door company picks for coastal homeowners**

**Top Recommendation:** Fiberglass patio and entry doors, built for salt air without
the upkeep of wood.

**Best for Budget:** Steel entry doors, which return 216% of project cost at resale.

**Best for Design Freedom:** Custom ProVia units finished in any Sherwin Williams
color you choose.

Ready for a door that fits the first time? Our crews build every order around your
home, never around warehouse inventory.

[Request a free door estimate from Coastal Windows & Exteriors](https://mycoastalwindows.com/promotions)

[Browse our complete door FAQ guide from Coastal Windows & Exteriors](https://mycoastalwindows.com/resources/faqs/doors/)

[Explore our Door Exterior Remodeling Home Improvement Help Center](https://mycoastalwindows.com/free-homeowner-resources/doors)

Last Updated: September 2026

Sources:

 * Durability and longevity rank as the top priority for door buyers, rated important
   by 100% of respondents. Fixr [Windows and Doors Report](https://www.fixr.com/articles/windows-and-doors-report),
   Fixr’s survey of window and door contractors on the factors that drive product
   selection. (2026)
 * Product coverage and after-sales service follow closely, cited by 92% of window
   and door professionals. Fixr [Windows and Doors Report](https://www.fixr.com/articles/windows-and-doors-report),
   Fixr’s industry survey ranking service commitments among buying criteria. (2026)

###  How do you know when to replace a sliding glass door?

Replace a sliding glass door once panels stick, glass fogs, drafts reach the track,
or the frame rots. Coastal Windows & Exteriors holds 1,000+ verified reviews and
a 4.8-star Google rating across 730+ towns in Massachusetts, New Hampshire and Maine,
with 7,000+ installations completed since 2011, and our [sliding patio door collection](https://mycoastalwindows.com/doors/)
features Soft-Lite panels made in the USA.

#### **Six signals your slider has reached the end**

Watch for these symptoms before another heating season arrives:

 * **Rolling resistance:** Panels that need a shoulder to move have worn rollers
   or a bent track, and repeated forcing cracks the frame.
 * **Fogged or failed glass:** Moisture trapped between panes means the seal has
   failed, and thermal performance drops with it.
 * **Track drafts:** Air movement along the sill points to compressed weatherstripping
   that no longer meets the corner seal.
 * **Rot or rust:** Soft wood frames and corroded metal cannot be repaired into 
   a weathertight unit, so replacement wins.
 * **Rising bills:** ENERGY STAR certified doors and windows can trim heating and
   cooling costs by up to 13% against non-certified units.
 * **Security worries:** Old latches yield under pressure, and modern hardware adds
   multipoint locking with a 20 gauge security plate option.

#### **Top slider replacement picks**

**Top Recommendation:** Soft-Lite sliding patio doors with ComfortTech Warm Edge
Glazing for year-round comfort.

**Best for Budget:** A single-panel slider swap, which keeps the existing opening
and trims labor.

**Best for Views:** Wide-stile glass packages that frame harbor light without heavy
framing.

Which sound does your slider make on a cold morning? Custom-built Soft-Lite panels
arrive sized to your opening, never trimmed to fit.

[Request a free door estimate from Coastal Windows & Exteriors](https://mycoastalwindows.com/promotions)

[Browse our complete door FAQ guide from Coastal Windows & Exteriors](https://mycoastalwindows.com/resources/faqs/doors/)

[Explore our Door Exterior Remodeling Home Improvement Help Center](https://mycoastalwindows.com/free-homeowner-resources/doors)

Last Updated: September 2026

Sources:

 * ENERGY STAR certified windows, doors, and skylights can shrink heating and cooling
   bills by up to 13% against non-certified products. ENERGY STAR [Residential Windows, Doors and Skylights](https://www.energystar.gov/products/res_windows_doors_skylights),
   the federal program’s official guidance on certified door and window savings.(
   Accessed September 2026)
 * Thermal performance ranks as a priority for 87% of window and door professionals.
   Fixr [Windows and Doors Report](https://www.fixr.com/articles/windows-and-doors-report),
   Fixr’s contractor survey measuring the weight of U-factor and R-value in product
   choice. (2026)

## Free Estimates for Patio Door Installation in Portland

Few cities wear their weather with such style. From Munjoy Hill down through the
Old Port, brick, clapboard, and glass meet the harbor head-on. Our crews handle 
sliding door installation in Portland from Congress Street to the Eastern Promenade.
Homes here range from sea captains’ Victorians to postwar capes with tired sliders
facing Back Cove. Each free consultation starts with measurements, a color conversation,
and honest talk about timing. Coastal Windows & Exteriors brings 7,000+ installations
of experience to the driveway. Book your visit and meet the team behind the numbers!

 [  Contact Us Today!  ](https://mycoastalwindows.com/exterior-doors/portland-me-entry-door-replacement/#form)

## Words From Our Owner

![Green 5 Stars](https://mycoastalwindows.com/wp-content/uploads/2024/06/Group-3.
svg)

Portland stole my heart on a gray Tuesday in November. Harbor light hit the Western
Promenade rooftops, and I understood the pull of this place.

Serving Cumberland County homeowners has become one of my favorite parts of this
work. Greater Portland families ask sharp questions, and they deserve sharp answers.
Every request for patio door installation in Portland gets the same care I’d give
my own house.

My team treats each home along Casco Bay as a landmark worth protecting. Thank you
for trusting us with your thresholds.

— Stephanie Vanderbilt, New England’s #1 Woman-Owned Door Company

 [  Get A Free Estimate  ](https://mycoastalwindows.com/exterior-doors/portland-me-entry-door-replacement/#form)

## Frequently Asked Questions on Door Installation Near Me in Portland, ME

###  When should French doors be replaced in Portland homes?

French doors need replacement once panels sag, latches misalign, or the seal between
panes fails. As New England’s #1 woman-owned door company, Coastal Windows & Exteriors
serves 730+ towns across Massachusetts, New Hampshire and Maine with 7,000+ installations
completed since 2011, and every unit in our [French and patio door options](https://mycoastalwindows.com/doors/)
gets built to your exact opening.

#### **Five signs your French doors have aged out**

Check these details the next time you swing them open:

 * **Sagging panels:** Doors that drag at the threshold have hinge or frame movement,
   and shimming only buys a season.
 * **Gapping at the astragal:** Daylight down the center means the closing stile
   has warped, so weather rides straight through.
 * **Seal failure:** Cloudy panes signal a broken insulating unit, and thermal performance
   falls off from that point forward.
 * **Hardware fatigue:** Loose handles and sticky multipoint locks stop protecting
   the opening, raising security and comfort concerns together.
 * **Style mismatch:** Aesthetics matter to 91% of window and door professionals
   surveyed, and dated units drag down a renovated room.

#### **Top French door replacement picks**

**Top Recommendation:** Fiberglass French doors, which hold a factory finish through
coastal humidity.

**Best for Budget:** A sliding glass swap, which reuses the existing opening and
trims labor hours.

**Best for Traffic Flow:** In-swing configurations paired with wide sidelites for
open, airy rooms.

Tired of shoving a door that once glided? Custom manufacturing means your replacement
matches the opening you already have.

[Request a free door estimate from Coastal Windows & Exteriors](https://mycoastalwindows.com/promotions)

[Browse our complete door FAQ guide from Coastal Windows & Exteriors](https://mycoastalwindows.com/resources/faqs/doors/)

[Explore our Door Exterior Remodeling Home Improvement Help Center](https://mycoastalwindows.com/free-homeowner-resources/doors)

Last Updated: September 2026

Sources:

 * Aesthetics ranks third among buying factors, important to 91% of contractors 
   and industry specialists surveyed. Fixr [Windows and Doors Report](https://www.fixr.com/articles/windows-and-doors-report),
   Fixr’s ranking of appearance against durability and efficiency in door selection.(
   2026)

###  How energy efficient are modern entry doors?

ENERGY STAR certified entry doors can trim heating and cooling costs by up to 13%
against non-certified units. Coastal Windows & Exteriors installs ProVia, the only
door manufacturer ever named Energy Star Partner of the Year, across 730+ towns 
in Massachusetts, New Hampshire and Maine, with 7,000+ installations completed since
2011 behind our [energy-efficient door collection](https://mycoastalwindows.com/doors/).

#### **What makes a door efficient today**

Efficiency comes from layered components working together:

 * **Insulated core:** Polyurethane foam fills the slab edge to edge, blocking conductive
   heat loss that older wood doors allowed.
 * **Warm edge glazing:** ComfortTech spacer systems raise glass-edge temperatures,
   cutting condensation and improving comfort near the opening.
 * **Perimeter sealing:** Q-Lon weatherstripping interlocks with a corner seal, 
   closing the path where drafts normally sneak through.
 * **Certification standards:** ENERGY STAR labeling verifies performance with tested
   numbers, and up to 13% savings follow certified products.
 * **Household stakes:** Massachusetts households spend roughly $600 monthly on 
   energy bills, so envelope upgrades pay across many winters.
 * **Award pedigree:** ProVia holds nine Energy Star Partner of the Year titles,
   a record no rival door manufacturer has matched.

#### **Top efficiency picks for New England**

**Top Recommendation:** ProVia fiberglass entry doors with foam cores and ComfortTech
glazing.

**Best for Budget:** Steel entry units, returning 216% of cost at resale with solid
thermal numbers.

**Best for Glass Lovers:** Advanced glazing packages, a priority for 57% of surveyed
professionals.

How much heat slips past your current threshold each January? Factory-trained crews
seal the perimeter so the rating on the label reaches your living room.

[Request a free door estimate from Coastal Windows & Exteriors](https://mycoastalwindows.com/promotions)

[Browse our complete door FAQ guide from Coastal Windows & Exteriors](https://mycoastalwindows.com/resources/faqs/doors/)

[Explore our Door Exterior Remodeling Home Improvement Help Center](https://mycoastalwindows.com/free-homeowner-resources/doors)

Last Updated: September 2026

Sources:

 * ENERGY STAR certified windows, doors, and skylights can cut heating and cooling
   bills by up to 13% compared with non-certified products. ENERGY STAR [Residential Windows, Doors and Skylights](https://www.energystar.gov/products/res_windows_doors_skylights),
   federal guidance on certified product savings for exterior openings. (Accessed
   September 2026)
 * Massachusetts households spend roughly $600 per month on energy bills. Boston.
   com [Massachusetts Utilities Gas Electric Report](https://www.boston.com/real-estate/real-estate/2024/03/26/massachusetts-utilities-gas-electric-phone-report/),
   regional reporting on household utility spending across New England. (2024)

###  How do you find a storm door installation company in Portland?

Start with certified companies that field their own crews, publish verified reviews,
and measure your opening in person. Coastal Windows & Exteriors is a woman-owned
remodeler serving 730+ towns across Massachusetts, New Hampshire and Maine, with
7,000+ installations completed since 2011, and our [storm and entry door lineup](https://mycoastalwindows.com/doors/)
pairs full-view models with custom-fit entry systems.

#### **How to vet a storm door installer**

Ask these questions before you sign anything:

 * **Local crew confirmation:** Find out who performs the work, since employed crews
   answer to the company that sold you the door.
 * **Product range:** A strong lineup covers full-view, ventilating, and retractable
   screen models, matching your entry rather than limiting it.
 * **Review depth:** Look past star counts toward comments about cleanup, timeliness,
   and follow-up service months after installation.
 * **Measurement process:** Free in-home measuring catches out-of-square openings
   that mail-order units simply cannot accommodate.
 * **Purpose fit:** Decide first among airflow, added weather protection, or year-
   round security, since each goal points toward a different model.

#### **Top storm door picks**

**Top Recommendation:** Full-view models with interchangeable screen and glass panels
for seasonal flexibility.

**Best for Budget:** Standard ventilating units, which deliver airflow at a friendly
price point.

**Best for Weather Exposure:** Heavy-gauge frames with impact-resistant glass, a
priority for 61% of surveyed professionals.

Want airflow without insects and winter drafts? Our free measurement visit removes
guesswork from an opening that rarely sits perfectly square.

[Request a free door estimate from Coastal Windows & Exteriors](https://mycoastalwindows.com/promotions)

[Browse our complete door FAQ guide from Coastal Windows & Exteriors](https://mycoastalwindows.com/resources/faqs/doors/)

[Explore our Door Exterior Remodeling Home Improvement Help Center](https://mycoastalwindows.com/free-homeowner-resources/doors)

Last Updated: September 2026

Sources:

 * Impact resistance and extreme weather protection rank as a priority for 61% of
   window and door professionals surveyed. Fixr [Windows and Doors Report](https://www.fixr.com/articles/windows-and-doors-report),
   Fixr’s survey data on weather protection within product selection criteria. (
   2026)

###  How long does a replacement door installation take?

Most single-door replacements finish within one day, and multi-opening projects 
run two to three days. Coastal Windows & Exteriors fields factory-trained crews 
across 730+ towns in Massachusetts, New Hampshire and Maine, with 7,000+ installations
completed since 2011, and our [exterior door installation services](https://mycoastalwindows.com/doors/)
cover demolition, sealing, trim, and cleanup in a single visit.

#### **What shapes your installation timeline**

Several factors move the clock in either direction:

 * **Opening count:** One entry door moves fast, and a slider plus two entries stretches
   the schedule across a second morning.
 * **Frame condition:** Rot repair adds hours, since crews rebuild sound framing
   before any new unit gets set.
 * **Structural changes:** Widening an opening for a larger slider brings header
   work and extra time into the plan.
 * **Custom manufacturing:** Built-to-order units add weeks before install day, 
   though that wait buys an exact fit.
 * **Weather windows:** Coastal crews work through cold, and driving rain occasionally
   shifts a start time by a day.
 * **Preparation signals:** Watch for drafts, sticking panels, and daylight at the
   frame, then book the consultation ahead of winter.

#### **Top scheduling picks**

**Top Recommendation:** Book custom orders in late summer for a comfortable pre-
winter install.

**Best for Budget:** Bundle several openings into one visit and trim repeat mobilization
costs.

**Best for Speed:** Standard-size replacements that reuse the existing rough opening.

Curious how quickly your home could feel different? Our crews handle demolition,
install, sealing, and cleanup inside one focused visit.

[Request a free door estimate from Coastal Windows & Exteriors](https://mycoastalwindows.com/promotions)

[Browse our complete door FAQ guide from Coastal Windows & Exteriors](https://mycoastalwindows.com/resources/faqs/doors/)

[Explore our Door Exterior Remodeling Home Improvement Help Center](https://mycoastalwindows.com/free-homeowner-resources/doors)

Last Updated: September 2026

Sources:

 * Maintenance requirements matter to 78% of industry specialists surveyed on window
   and door selection. Fixr [Windows and Doors Report](https://www.fixr.com/articles/windows-and-doors-report),
   Fixr’s survey of upkeep expectations across door product categories. (2026)

![A wood exterior door with glass sidelights shows the warm, finished look of a 
well-designed entrance system. Homeowners planning patio door installation in Portland
ME can also prioritize energy-efficient glass, quality framing, and dependable weather
sealing.](https://mycoastalwindows.com/wp-content/uploads/2026/09/Portland-ME-Southern-
Maine-Door-Replacement-Energy-Efficient-CoastalWindows-768x586.jpg)

![This bright living room includes a large glass patio-style door that opens the
interior to the outdoors. Patio door installation in Portland ME can replace warped
or difficult-to-operate doors while improving access, appearance, and comfort.](
https://mycoastalwindows.com/wp-content/uploads/2026/09/Portland-ME-Southern-Maine-
Door-Replacement-Door-Warp-CoastalWindows-768x512.jpg)

![A dark entry door with decorative glass sidelights creates a polished and welcoming
front entrance. Although the image shows an entry system, homeowners considering
patio door installation in Portland ME can apply the same focus on proper sealing,
efficiency, and professional installation.](https://mycoastalwindows.com/wp-content/
uploads/2026/09/Portland-ME-Southern-Maine-Door-Installation-Drafty-Entry-CoastalWindows-
768x650.jpg)

### Beautiful Doors, Comfortable Monthly Payments

New glass shouldn’t wait for a perfect bank balance. Qualified homeowners can spread
the project across [financing up to 20 years](https://mycoastalwindows.com/resources/financing/)
with straightforward terms. Door contractors in Portland rarely offer a runway this
long. Apply online in minutes and keep your savings intact.

 [  LEARN ABOUT FINANCING  ](https://mycoastalwindows.com/resources/financing/)

![Protect your home from winter weather with energy-efficient windows, siding, roofing,
and doors](https://mycoastalwindows.com/wp-content/uploads/2016/09/financing_250x250px.
webp)

## See Casco Bay Doors in Motion

Watch morning light pour across a fresh threshold and the room changes character.
Our video tour shows sliding door installation in Portland on real New England homes.
Color, hardware, and glass detail come through far better on screen than on paper.
Press play, then book a free estimate.

 [  SEE OUR TRANSFORMATIONS  ](https://mycoastalwindows.com/exterior-doors/portland-me-entry-door-replacement/#form)

![Comparison chart of three sidings: James Hardie Siding, Vinyl, and Wood-Based](
https://mycoastalwindows.com/wp-content/uploads/2024/03/color-palate.webp)

## Engineering Behind Patio Door Installation in Portland

Great doors earn their keep on the coldest night of the year. Every unit we hang
carries a stack of engineering worth knowing:

 * **Polyurethane foam core:** Dense insulation fills the slab for superior thermal
   resistance and energy efficiency across all four seasons.
 * **ComfortTech Warm Edge Glazing System:** Advanced spacer technology improves
   thermal performance at the glass edge, where heat loss usually begins.
 * **[Energy-Efficient Q-Lon Weatherstripping](https://mycoastalwindows.com/the-wonders-of-weatherstripping-for-windows-and-doors-why-it-matters-for-fall/):**
   Compression sealing runs along the top and sides, then interlocks with the Q-
   Lon corner seal for a tight perimeter.
 * **Nine-time Energy Star Partner of the Year:** ProVia is the only door manufacturer
   to ever win that honor, and nine wins prove the pattern.
 * **DuraFuse Finishing system:** Fused coatings hold color and gloss against salt
   spray, sun, and freeze-thaw cycles far better than field paint.
 * **High-Performance Heat-Resistant Window Trim:** Trim resists warping, cracking,
   and pull-away, even on a south-facing entry in July.
 * **Sherwin Williams color freedom:** Select any color from the complete Sherwin
   Williams catalog, or request custom color matching for a one-of-a-kind finish.

Few door contractors in Portland can match that engineering list. Every one of 
our 7,000+ installations started with a free measurement, so claim yours this week.

 [  Let's Chat  ](https://mycoastalwindows.com/online-booking/)

### About Portland, Maine

Roughly 107 miles north of Boston, Maine’s largest city sits on a working peninsula
between Casco Bay and Back Cove. About 68,000 residents share cobbled blocks in 
the Old Port, tall brick storefronts along Exchange Street, and Congress Street 
galleries. Munjoy Hill climbs toward the Portland Observatory, where harbor views
open wide over ferry routes and fishing piers. Commercial Street still runs on tide
charts, lobster crates, and early alarm clocks.

Architecture here rewards a slow walk. Federal and Greek Revival townhouses line
the Western Promenade, and mansard-roofed Victorians hold the high ground above 
the water. Triple-deckers and postwar capes fill neighborhoods near Deering Oaks
Park, many still wearing original sliders. Bay windows, transoms, and wide entries
give these houses their signature. Residents love the walkability, the ferry whistles,
and a food scene that draws visitors up I-95 all year. Salt air rewards homeowners
who invest in tight, weather-ready exteriors. Doors take the brunt of that bargain
every single winter.

### Our Door Installation Process

A great install feels less like construction and more like choreography. Here’s 
how your project unfolds from first handshake to final reveal:

 * **Free in-home consultation:** We measure the opening, inspect the frame, and
   talk through style, glass, and hardware over your kitchen table.
 * **Design and color selection:** You pick the slab, the glass package, and any
   color from the Sherwin Williams catalog, with custom matching available.
 * **Precision manufacturing:** Your ProVia or Soft-Lite unit gets built to your
   exact opening in a domestic plant, never pulled from stock.
 * **Scheduled installation day:** Factory-trained crews protect floors, remove 
   the old unit, and set the new door plumb, square, and sealed.
 * **Weather sealing and trim:** Q-Lon weatherstripping, insulation, and heat-resistant
   trim finish the perimeter against wind-driven rain.
 * **Walkthrough and cleanup:** We test operation together, answer questions, and
   leave the site cleaner than we found it.

Simple fixes count too, so ask about patio door repair in Portland. Join the 7,000
+ installations already finished and start with a free estimate.

 [  Schedule a free consultation  ](https://mycoastalwindows.com/exterior-doors/portland-me-entry-door-replacement/#form)

### How Much Does Door Installation Cost in Portland, Maine?

Pricing shifts with the choices you make, never with a mystery formula. Sliding 
glass doors average about $2,564 nationwide, and steel entry doors average $2,547.
Treat both as estimated national averages, then let these simple variables shape
your number:

 * Door size and configuration
 * [Material selection](https://mycoastalwindows.com/best-material-front-entry-door/)
 * Glass options
 * Color from the Sherwin Williams catalog or custom matching
 * Hardware style and finish
 * Structural modifications

Get a written quote for patio repair in Portland, as well as entry door installation
through Coastal Windows & Exteriors!

## Recognition We've Earned

### SBA Business Person of the Year

Federal recognition for building a company that creates jobs across New England.

### Best of North Shore (BONS) Winner

Regional readers voted us their favorite exterior remodeler year after year.

### Minuteman Service Award

Honored for community service that reaches well past our job sites.

### #1 Woman-Owned Vinyl Siding Company in New England

National ranking confirms what our 1,000+ verified reviews already say.

### Lead-Safe EPA Certified Firm

Certified practices protect families in older homes throughout Greater Portland.

#### SEASONAL DISCOUNTS AND FINANCING UP TO 20 YEARS OPTIONS ARE AVAILABLE NOW!

 [  Contact us today  ](https://mycoastalwindows.com/contact-us/)

## From The Blog

![James Hardie fiber cement siding installation and rot repair on a Dedham, Greater
Boston home](https://mycoastalwindows.com/wp-content/uploads/2016/04/Dedham-Greater-
Boston-James-Hardie-Siding-Installation-Rot-Repair-CoastalWindows-08-768x504.jpg)

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