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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.
85 permits sorted by date
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| Date | Type | Value | Address | Contractor / Status | Save |
|---|---|---|---|---|---|
| 2026-09-18 | Fire Protection | — | 9166 PARKWOOD RIDGE RD | ISLAND SECURITY SYSTEMS INC | |
| 2026-09-18 | Fire Protection | — | 5818 W MERCER WAY | ADVANCED FIRE PROTECTION | |
| 2026-09-17 | Fire Protection | — | 8244 SE 30TH ST | ISLAND SECURITY SYSTEMS INC | |
| 2026-09-16 | Fire Protection | — | 2436 74TH AVE SE | ISLAND SECURITY SYSTEMS INC | |
| 2026-09-16 | Fire Protection | — | 2733 62ND AVE SE | ISLAND SECURITY SYSTEMS INC | |
| 2026-09-16 | Fire Protection | — | 2430 74TH AVE SE | ISLAND SECURITY SYSTEMS INC | |
| 2026-09-15 | Fire Protection | — | 8661 SE 60TH ST | SIGNATURE AUDIO VIDEO INC | |
| 2026-09-03 | Fire Protection | — | 8005 SE 33RD PL | PYE-BARKER FIRE & SAFETY LLC | |
| 2026-09-02 | Fire Protection | — | 8421 SE 68TH ST | COSCO FIRE PROTECTION | |
| 2026-08-28 | Fire Protection | — | 4802 E MERCER WAY | ISLAND SECURITY SYSTEMS INC | |
| 2026-08-28 | Fire Protection | — | 8661 SE 60TH ST | CASCADIA FIRE PROTECTION LLC | |
| 2026-08-25 | Fire Protection | — | 8035 SE 45TH ST | RAIN CITY FIRE PROTECTION LLC | |
| 2026-08-24 | Fire Protection | — | 7833 SE 28TH ST | GENESEE FUEL & HEATING CO | |
| 2026-08-20 | Fire Protection | — | 6905 96TH AVE SE | NORTHWEST FIRE SYSTEMS LLC | |
| 2026-08-13 | Fire Protection | — | 8421 SE 68TH ST | ARCHER CONSTRUCTION | |
| 2026-08-12 | Fire Protection | — | 6202 SE 22ND ST | EIGHTBLOX LLC | |
| 2026-08-12 | Fire Protection | — | 8541 SE 82ND ST | ISLAND SECURITY SYSTEMS INC | |
| 2026-08-11 | Fire Protection | — | 7270 E MERCER WAY | AD SECURITY GATES AND ACCESS LLC | |
| 2026-08-05 | Fire Protection | — | 8473 SE 68TH ST | PYE-BARKER FIRE & SAFETY LLC | |
| 2026-08-03 | Fire Protection | — | 2262 78TH AVE SE | RAIN CITY FIRE PROTECTION LLC | |
| 2026-06-23 | Fire Protection | — | 2419 72ND AVE SE | DISTINCTIVE AUDIO & VIDEO | |
| 2026-06-22 | Fire Protection | — | 8441 SE 68TH ST | VIKING AUTOMATIC SPRINKLER CO | |
| 2026-06-22 | Fire Protection | — | 2262 78TH AVE SE | ISLAND SECURITY SYSTEMS INC | |
| 2026-06-22 | Fire Protection | — | 8109 SE 71ST ST | AUDIO PLUS LLC | |
| 2026-06-22 | Fire Protection | — | 7785 SUNSET HWY | AAA FIRE PROTECTION INC | |
| 2026-06-11 | Fire Protection | — | 7750 SE 29TH ST | GUARDIAN SECURITY SYSTEMS | |
| 2026-06-05 | Fire Protection | — | 9603 SE 61ST PL | AUDIO PLUS LLC | |
| 2026-06-02 | Fire Protection | — | 3001 78TH AVE SE | Everon Solutions | |
| 2026-06-02 | Fire Protection | — | 7525 SE 24TH ST | CONVERGINT TECHNOLOGIES, LLC. | |
| 2026-05-21 | Fire Protection | — | 4545 ISLAND CREST WAY | SAFETY TEAM | |
| 2026-05-19 | Fire Protection | — | 7244 N MERCER WAY | ISLAND SECURITY SYSTEMS INC | |
| 2026-05-14 | Fire Protection | — | 8326 AVALON DR | COLUMBIA FIRE LLC | |
| 2026-05-12 | Fire Protection | — | 10 BROOK BAY RD | — | |
| 2026-05-08 | Fire Protection | — | 8480 85TH AVE SE | — | |
| 2026-05-08 | Fire Protection | — | 4661 FOREST AVE SE | — | |
| 2026-05-08 | Fire Protection | — | 3029 62ND AVE SE | — | |
| 2026-05-04 | Fire Protection | — | 2430 84TH AVE SE | — | |
| 2026-04-29 | Fire Protection | — | 5024 W MERCER WAY | — | |
| 2026-04-29 | Fire Protection | — | 7660 N MERCER WAY | — | |
| 2026-04-28 | Fire Protection | — | 7525 SE 24TH ST | — | |
| 2026-04-24 | Fire Protection | — | 7650 RIDGECREST LN | — | |
| 2026-04-23 | Fire Protection | — | 8109 SE 71ST ST | — | |
| 2026-04-23 | Fire Protection | — | 6180 90TH AVE SE | — | |
| 2026-04-16 | Fire Protection | — | 2411 76TH AVE SE | GENESEE ENERGY | |
| 2026-04-16 | Fire Protection | — | 3632 90TH AVE SE | RAINIER CUSTOM PLUMBING, INC. | |
| 2026-04-16 | Fire Protection | — | 2251 71ST AVE SE | RAIN CITY FIRE PROTECTION LLC | |
| 2026-04-16 | Fire Protection | — | 4634 E MERCER WAY | — | |
| 2026-04-16 | Fire Protection | — | 8240 SE 26TH ST | ISLAND SECURITY SYSTEMS INC | |
| 2026-04-06 | Fire Protection | — | 3236 78TH AVE SE | — | |
| 2026-04-01 | Fire Protection | — | 7922 E MERCER WAY | DISTINCTIVE AUDIO & VIDEO |
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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