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1,626 indexed permits · Mercer Island, Washington.
Public-record project research, not a shared-lead marketplace. Use the permit, source date, and available fields to research the builder, project, or adjacent work before outreach. Cancel anytime in one click — no retention call.
| Newest permit | 2026-09-18 |
|---|
PermitGrab tracks 1,626 building permits in Mercer Island, WA as of 2026-09-18.
Record recency is based on available filing or issue dates; it does not verify publication time or collection delay.
Newest permit date:
Filter Mercer Island permits by trade: solar · roofing · HVAC · electrical · fire protection · new construction.
One email a week with the newest Mercer Island building permits — addresses, project details, and property activity where available. Free summary only — no credit card. Pro research tools require a separate 14-day trial with a card. Available fields vary by source. Unsubscribe anytime.
1,626 permits sorted by date
⇄ Swipe or scroll to see address & contractor
| Date | Type | Value | Address | Contractor / Status | Save |
|---|---|---|---|---|---|
| 2026-03-14 | HVAC/Mech | — | 8905 SE 54TH ST | ALWAYS CURRENT ELECTRIC INC | |
| 2026-03-13 | Plumbing | — | 2800 60TH AVE SE | TOTAL QUALITY EXPRESS LLS LLC | |
| 2026-03-13 | Fire Protection | — | 7420 78TH AVE SE | GARY PROKASH PLUMBING & FIRE… | |
| 2026-03-13 | Electrical | — | 8071 W MERCER WAY | POTELCO INC | |
| 2026-03-13 | Fire Protection | — | 8460 SE 83RD ST | FROULA ALARM SYSTEMS INC | |
| 2026-03-13 | Electrical | — | 3230 80TH AVE SE | MCCARTHY ELECTRIC AND TECHNOLOGIES LLC | |
| 2026-03-13 | HVAC/Mech | — | 8105 SE 79TH ST | GREENWOOD HEATING &HOME SRVS | |
| 2026-03-13 | Plumbing | — | 2800 60TH AVE SE | TOTAL QUALITY EXPRESS LLS LLC | |
| 2026-03-13 | General Construction | — | 2800 60TH AVE SE | TOTAL QUALITY EXPRESS LLS LLC | |
| 2026-03-13 | HVAC/Mech | — | 8105 SE 79TH ST | GREENWOOD HEATING &HOME SRVS | |
| 2026-03-12 | HVAC/Mech | — | 2980 76TH AVE SE | DEAR ELECTRIC INC | |
| 2026-03-12 | Electrical | — | 4915 84TH AVE SE | GALAXY ELECTRIC &SOLAR LLC | |
| 2026-03-12 | HVAC/Mech | — | 8905 SE 54TH ST | BETTER AIR NW HEATING/CLNG LLC | |
| 2026-03-12 | Electrical | — | 4703 91ST AVE SE | C &R ELECTRIC INC | |
| 2026-03-12 | HVAC/Mech | — | 7901 SE 65TH ST | POTELCO INC | |
| 2026-03-12 | Signage | — | 3039 78TH AVE SE | ×2 — | |
| 2026-03-12 | Fire Protection | — | 6750 W MERCER WAY | — | |
| 2026-03-12 | HVAC/Mech | — | 4314 E MERCER WAY | BOB'S HEATING &AIR CNDTNG LLC | |
| 2026-03-12 | HVAC/Mech | — | 9756 SE 40TH ST | POTELCO INC | |
| 2026-03-12 | HVAC/Mech | — | 3312 81ST PL SE | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-03-12 | Electrical | — | 3014 78TH AVE SE | CUSTOM ELECTRICAL SERVICES LLC | |
| 2026-03-12 | HVAC/Mech | — | 3312 81ST PL SE | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-03-12 | Plumbing | — | 8487 W MERCER WAY | LOYAL MECHANICAL INC | |
| 2026-03-12 | Solar | — | 7420 78TH AVE SE | BOB'S HEATING & AIR CONDITIONING LLC | |
| 2026-03-12 | Electrical | — | 8826 SE 37TH ST | BLACK LION HEATING &A/C LLC | |
| 2026-03-11 | Electrical | — | 7625 W MERCER WAY | QNORTHWEST LLC | |
| 2026-03-11 | HVAC/Mech | — | 4040 97TH AVE SE | ALEXANDER'S HEATING &AC LLC | |
| 2026-03-11 | Plumbing | — | VARIOUS | — | |
| 2026-03-11 | Electrical | — | 7438 SE 32ND ST | GREENWOOD HEATING &HOME SRVS | |
| 2026-03-11 | HVAC/Mech | — | 7420 78TH AVE SE | HIGHLANDS BUILDER GROUP | |
| 2026-03-10 | Electrical | — | 6930 94TH AVE SE | DENYS ELECTRIC LLC | |
| 2026-03-10 | HVAC/Mech | — | 6180 W MERCER WAY | BOB'S HEATING &AIR CNDTNG LLC | |
| 2026-03-10 | Plumbing | — | 8639 SE 75TH PL | FAST WATER HEATER COMPANY | |
| 2026-03-10 | Plumbing | — | 2919 72ND AVE SE | FAST WATER HEATER COMPANY | |
| 2026-03-09 | Electrical | — | 5045 FOREST AVE SE | BRITESCAPE LLC | |
| 2026-03-09 | Plumbing | — | 7452 E MERCER WAY | FISCHER PLUMBING CO INC, THE | |
| 2026-03-09 | Plumbing | — | 8449 SE 33RD PL | MIKES PLUMBING/DRAIN CLEANING | |
| 2026-03-09 | Plumbing | — | 9162 SE 54TH ST | GREENWOOD HEATING &HOME SRVS | |
| 2026-03-09 | HVAC/Mech | — | 4314 E MERCER WAY | WASHINGTON ENERGY SVCS CO LLC | |
| 2026-03-09 | HVAC/Mech | — | 9162 SE 54TH ST | GREENWOOD HEATING &HOME SRVS | |
| 2026-03-09 | HVAC/Mech | — | 9162 SE 54TH ST | GREENWOOD HEATING &HOME SRVS | |
| 2026-03-08 | Electrical | — | 7960 SE 70TH ST | BT SOLUTIONS LLC | |
| 2026-03-07 | HVAC/Mech | — | 3731 79TH AVE SE | COZY SOUND |
New building permits in Mercer Island, Washington show where construction activity is occurring. Filter the public records by trade, date, address, and project value to research active projects and property activity. Contractor names are available on some current records; contact coverage varies by filing.
Mercer Island, Washington processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 1626+ Mercer Island building permits — newest permit date: 2026-09-18 from official city sources.
Each record can show the project address, scope, permit type, and value where the city publishes them. The source-published contractor records do not meet the coverage threshold for this city. PermitGrab does not represent this as contractor-contact coverage. Where property-owner records are available, they are matched to permit addresses separately.
Filter the current records by trade, date, address, or project value to research construction activity. The most useful workflow in this market is verifying the project signal first, then using the property data that is actually available for that address.
PermitGrab methodology · Page data current as of · Source: Mercer Island WA building permits (MyBuildingPermit.com regional portal).
PermitGrab indexes 1,626 building permits in Mercer Island. New records appear as they are available from the source.
The most recent permit indexed for Mercer Island is dated 2026-09-18. Newest permit date: 2026-09-18. Permit records carry filing date, address, project value, and permit type, plus contractor name where the source publishes it. Use a recent published record for project research; it does not show bid availability or a request for service.
Mercer Island permit activity covers 1,626 indexed permits. The records can cover new construction, residential renovations, mechanical/electrical/plumbing upgrades, roof replacements, demolitions, or tenant improvements. Their usefulness for a contractor or supplier depends on the published project details, timing, and service area.
Search recent Mercer Island, WA building permits by address, and permit type in the table above — pulled from the Mercer Island building department's public permit records. New filings appear here as they are published. Filter by trade or search an address to look up a specific permit. For this week's filing volume, see the Mercer Island Permit Pulse.
Email alerts when new public records are available for new permits and property activity. Contractor names are shown where the current public filing includes them; contact coverage varies by record. Owner information is shown only where it can be matched from available public records.
PermitGrab currently tracks 1626 building permits in Mercer Island, Washington. Data is pulled directly from the official municipal source on every collection cycle and includes permit number, address, permit type, status, estimated value, and contractor information where the source publishes it.
PermitGrab checks the official source on each collection cycle. The source date and its observed update cadence are shown above, so you can judge the data’s recency before acting on it.
Contractors can research Mercer Island activity by filtering current permits by trade, location, and project type. Some current permit records include contractor names; use those source-published names alongside the project details. Property information is shown only where public records can be matched.
The 14-day trial includes full Pro access to Mercer Island — CSV export, trade and value-tier filters, lead scoring, and violation cross-reference flags. Some current permit records include source-published contractor names; contact fields appear only where published or matched. Property information is available only where public records can be matched. Card required to start; cancel anytime before day 14.
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