Serving Sammamish & the greater Puget Sound since 1997 — rated 4.9 ★ from 600+ homeowners
Windows · Doors · Decks · Patio Covers (425) 228-1792

Windows, Doors & Decks in Sammamish, WA

Replacement windows, entry and patio doors, and composite decks for Sammamish homeowners, from a local team that has served the Eastside since 1997.

  • 1997Established
  • 4.9★600+ reviews
  • A+BBB rating
  • LifetimeLabor warranty
Emerald City Energy installer fitting a replacement window for a Sammamish-area homeowner
4.9
600+ homeowner reviews
WA Licensed & Bonded · EMERAI*034KG A+ BBB Accredited Business Showrooms in Tukwila, Bothell & Seattle Free Estimates & Financing
Sammamish, Washington

Your local window, door & deck installer in Sammamish

Sammamish sits on the plateau between Lake Sammamish and the Snoqualmie Valley, with neighborhoods like Klahanie, Pine Lake, Beaver Lake and Sahalee built mostly from the 1980s through the 2000s. We install replacement windows, doors and composite decks throughout the Plateau.

Every project starts with a free in-home estimate and a clear written quote. Windows and doors are installed by AAMA, Lead-Safe, Andersen and Milgard certified crews, and every window installation is backed by a lifetime labor warranty.

  • Licensed, bonded & insured in Washington
  • Serving the Eastside since 1997
  • A+ BBB rating, 600+ five-star reviews
  • Financing on approved credit
What We Install

Windows, doors & decks for Sammamish homes

One local team for the whole exterior, with products chosen for the Pacific Northwest and installed to manufacturer specifications.

Composite Decks & Railing

Custom-built composite decks and railing that resist moisture, moss and rot and never need staining or sealing. Most decking lines carry 25 to 50 year manufacturer warranties.

Brands: Trex, TimberTech

Deck building in Sammamish →
Built For Local Conditions

Energy-efficient upgrades for Sammamish homes

The Plateau's elevation means more rain, cooler temperatures and a longer heating season than the lowlands around it. Many homes here still have their original builder-grade windows, and better-insulated glass is felt most on exactly those cold, wet days. Where an HOA has guidelines, we can help match approved colors and styles.

Sammamish homes are served by Puget Sound Energy, which has offered rebates on qualifying energy-efficiency upgrades. Programs and eligibility change, and often depend on how your home is heated, so ask us during your estimate and we'll help you look into what is currently available.

Up to 30%Lower heating and cooling bills with energy-efficient replacement windows.
Lifetime labor warrantyOn every window installation, from certified installers.
25 to 50 yearsTypical manufacturer warranty on the composite decking we build with.
What Homeowners Say

Rated 4.9 by 600+ Puget Sound homeowners

Verified Google reviews from customers of our Tukwila, Bothell and Seattle locations. Read all reviews

Sammamish FAQ

Questions from Sammamish homeowners

Do you install replacement windows in Sammamish, WA?
Yes. Emerald City Energy installs energy-efficient replacement windows throughout Sammamish, including Klahanie, Pine Lake, Beaver Lake & Beaver Lake Park, and Sahalee & Sahalee Way. We are an authorized dealer for Milgard, Andersen and Simonton, and we have served the Eastside since 1997.
How much do replacement windows cost in Sammamish?
It depends on the number of windows, the frame material, the glass package and how the openings are finished, so we price every home individually. The in-home estimate is free and comes with a written quote, and financing is available on approved credit.
Are there utility rebates for new windows in Sammamish?
Sammamish homes are served by Puget Sound Energy, which has offered rebates on qualifying energy-efficiency upgrades. Programs and eligibility change, and often depend on how your home is heated, so ask us during your estimate and we'll help you look into what is currently available.
Which window, door and decking brands do you install?
We install Milgard, Andersen, Simonton and Ply Gem windows; Codel, Simpson, Alliance, Andersen and LaCantina doors; and Trex and TimberTech composite decking. Every brand is backed by its manufacturer warranty.
Are composite decks a good choice in Sammamish?
Yes. Trex and TimberTech composite decking is well suited to our wet Pacific Northwest climate. It resists moisture, moss, rot, warping and splintering, and never needs staining or sealing. Most composite decking carries a 25 to 50 year manufacturer warranty.
Where is the nearest showroom to Sammamish?
Our Bothell showroom at 23905 Meridian Ave S, Bothell, WA 98021 is the closest to Sammamish. It is open Monday through Friday, 9:00 AM to 5:00 PM. You can see and compare full-size windows, doors and composite decking in person.
Is Emerald City Energy licensed, bonded and insured?
Yes. We are licensed, bonded and insured in Washington State (contractor license EMERAI*034KG) and hold an A+ rating with the Better Business Bureau, with more than 600 five-star reviews.
See It In Person

Visit a showroom near Sammamish

Our Bothell showroom is the closest to Sammamish. See full-size window, door and decking displays and talk through options with our team.

Emerald City Energy Bothell showroom, the nearest to Sammamish Nearest to Sammamish Open M–F

Bothell Showroom

23905 Meridian Ave S
Bothell, WA 98021
Mon – Fri: 9:00 AM – 5:00 PM
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Emerald City Energy Tukwila showroom Open Mon–Sat

Tukwila Showroom

131 Andover Park E
Tukwila, WA 98188
Mon – Fri: 9:00 AM – 5:00 PM
Sat: 9:00 AM – 3:00 PM
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Emerald City Energy Seattle showroom By Appointment

Seattle Showroom

8760 Greenwood Ave N
Seattle, WA 98103
By Appointment Only
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Free Estimate

Start your Sammamish project

Tell us what you have in mind. There's no charge for the estimate and no pressure to buy.

  1. Fast, no-pressure quoteMost projects are quoted within 24 hours.
  2. Personalized optionsChoose from leading brands and finishes to match your home.
  3. Clear communicationUpdates from our team from order through install day.
  4. Expert installationCertified installers ensure a precise fit and long-term performance.

Prefer to talk? Call (425) 228-1792.

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