Washington window replacement leads
Summit Leads supplies window replacement leads in Washington through real-time ping/post, exclusive by default and filtered to the ZIP code. Washington writes its own residential energy code, the 2021 Washington State Energy Code (DOE, checked October 7, 2026), and its counties fall into four IECC climate zones, from marine to dry.
- Founded in 2025
- 40+ national buyer and supply partners
- All U.S. states
- Exclusive by default
Washington facts for window replacement lead buyers
| Fact | Value Source |
|---|---|
| Residential energy code | 2021 Washington State Energy Code, effective March 15, 2024 (DOE, checked October 7, 2026)Building Energy Codes Program: Washington U.S. Department of Energy |
| IECC 2021 climate zones | Zone 4C in 14 counties, 5B in 18, 5C in 4 and 6B in 3 (PNNL for DOE, 2021 county data)Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) Pacific Northwest National Laboratory for the U.S. Department of Energy |
| ENERGY STAR window climate zone | Northern across the state (ENERGY STAR climate zone map, August 2025)ENERGY STAR Windows, Doors and Skylights Climate Zone Map (August 2025) U.S. EPA ENERGY STAR |
| Median year structure built | 1985 (ACS 5-year 2020-2024)Table B25035, Median Year Structure Built: Washington (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Housing units built before 1980 | 43.4% (ACS 5-year 2020-2024, table B25034)Table B25034, Year Structure Built: Washington (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Median home value | $564,600 (ACS 5-year 2020-2024, table B25077)Table B25077, Median Value (Dollars): Washington (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Contractor registration | Every contractor must register with L&I (RCW 18.27.020, checked October 7, 2026)RCW 18.27.020, Registration required Washington State Legislature |
| Contractor bond for registration | $30,000 general, $15,000 specialty (L&I, checked October 7, 2026)Register as a Contractor Washington State Department of Labor and Industries |
Last reviewed: October 7, 2026. A summary for education, not legal advice.
Marine, dry and cold counties in one state
The Cascade Range splits Washington into two climates, and the federal county guide shows it. In PNNL-33270 for DOE (2021 county data), 14 counties are in IECC zone 4C, 4 are in 5C, 18 are in 5B and 3 are in 6B. DOE marks the C counties as marine and the B counties as dry, so the west side and the east side of the state sit under different code tables.
For product ratings the picture is simpler. The ENERGY STAR window climate zone map (August 2025) places every part of Washington in its Northern zone, so the same ENERGY STAR window criteria apply in Seattle, Spokane and the Tri-Cities.
Washington writes its own residential energy code
This section is general information, not legal advice. It summarizes official sources as of October 7, 2026; check the current text of each rule before relying on it.
Washington's residential code carries the state's own name. The DOE Building Energy Codes Program page for Washington (checked October 7, 2026) lists the 2021 Washington State Energy Code as the current residential code, adopted November 4, 2022 and effective March 15, 2024, and names the 2021 IECC as the model code it corresponds to. Window installers bidding replacement work follow the state code, so buyers often ask whether the request covers a whole house or a few openings.
Newer housing than most of the country
Half of Washington's housing units were built in 1985 or later, according to table B25035 (ACS 5-year 2020-2024). The same survey's table B25034 (ACS 5-year 2020-2024) puts 43.4% of units in the years before 1980, and 317,148 units date from 1939 or earlier.
Homes are expensive to own. Table B25077 (ACS 5-year 2020-2024) reports a median owner-occupied value of $564,600. A 1980s house and a prewar house in the same ZIP code often need different window work, so many buyers ask for the approximate build year on each lead.
Registration with Labor and Industries
This section is general information, not legal advice. It summarizes official sources as of October 7, 2026; check the current text of each rule before relying on it.
Washington regulates contractors through registration. RCW 18.27.020 (checked October 7, 2026) states that every contractor shall register with the department and makes it a gross misdemeanor to bid or perform work as a contractor without registering.
The Department of Labor and Industries registration page (checked October 7, 2026) lists the steps: a Department of Revenue business registration, a surety bond of $30,000 for general contractors or $15,000 for specialty contractors, general liability insurance and an application. L&I names 63 specialties, and a specialty contractor may only work in the specialty it is registered in.
The state's home sale cancellation rule and its call and text rules are covered on leads in Washington.
Filters Washington window buyers set
- ZIP code: buyers on the marine west side and the dry east side often run separate campaigns, matching the county zones above.
- Home age: the build year shows whether a house predates the 1980 line or is part of the newer half of the stock.
- Number of windows and scope: whole-house replacement or a few openings, which matters under the state energy code.
- Homeowner status: the person on the lead owns the home and can sign for the work.
Where buyers filter in Washington
Window crews in Washington usually work one side of the Cascades or the other. These are the six largest metro areas that include Washington counties, from the Census Bureau's July 1, 2025 estimates. Buyers can also choose ZIP codes outside them.
- Seattle-Tacoma-Bellevue: 4,161,883 (July 1, 2025 estimate)
- Portland-Vancouver-Hillsboro, OR-WA: 2,542,282 (July 1, 2025 estimate, whole metro area)
- Spokane-Spokane Valley: 608,012 (July 1, 2025 estimate)
- Kennewick-Richland: 324,334 (July 1, 2025 estimate)
- Olympia-Lacey-Tumwater: 304,261 (July 1, 2025 estimate)
- Bremerton-Silverdale-Port Orchard: 283,374 (July 1, 2025 estimate)
Source: Metropolitan and Micropolitan Statistical Area population estimates, Vintage 2025 (cbsa-est2025-alldata), U.S. Census Bureau.
Consent records for Washington window replacement leads
Every Washington window lead arrives with the TCPATCPAThe Telephone Consumer Protection Act, the federal law that governs telemarketing calls and texts, autodialers, prerecorded voice messages and the Do Not Call Registry. Glossary consent record captured on the request form. Washington's entry in the state telemarketing laws table lists the state calling rules, and leads in Washington covers MVA and home improvement buying in the state.
Washington window replacement lead questions
Does Washington use the IECC for window replacement?
It uses its own code. DOE lists the 2021 Washington State Energy Code, effective March 15, 2024, on its Washington page (checked October 7, 2026). This is general information, not legal advice.
Why do Washington window leads differ east and west of the Cascades?
The DOE county guide places western counties in marine zones 4C and 5C and eastern counties in dry zones 5B and 6B, per PNNL-33270 (2021 county data).
What bond does a Washington window contractor need to register?
L&I lists a $15,000 bond for a specialty contractor and $30,000 for a general contractor on its registration page (checked October 7, 2026). This is general information, not legal advice.
What is the median home value behind Washington window leads?
The median value of an owner-occupied Washington home is $564,600 in table B25077 (ACS 5-year 2020-2024).
Request Washington window replacement leads
Email us the Washington ZIP codes you cover, your daily volume or caps and how you take delivery. ReturnReturnA buyer's request for credit on a lead that fails agreed standards, such as a disconnected number, a duplicate or a lead outside the filters. Glossary terms are agreed on the onboarding call, before you go live.
Start small, with no long-term commitment
- No long-term contract. Pause or stop at any time.
- No setup fee and no monthly fee. You pay only for leads delivered that match your filters.
- Start with a small test volume and scale when the numbers work.
- MVA and home improvement leads are exclusive by default: each lead is sold to one buyer.
- Return terms are agreed on the onboarding call, before you go live.
Or write to team@summitleads.ai. We reply by email.
Generating leads instead? Sell your leads