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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 |
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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 |
|---|---|---|---|---|---|
| 2026-02-27 | Fire Protection | — | 8326 AVALON DR | COLUMBIA FIRE LLC | |
| 2026-02-27 | Electrical | — | 9954 SE 38TH ST | ELECTRIC CO/SEATTLE INC, THE | |
| 2026-02-27 | Plumbing | — | 8280 SE 36TH ST | SOUTH WEST PLMBG &WATER HTRS | |
| 2026-02-27 | Plumbing | — | 6102 90TH AVE SE | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-02-27 | Fire Protection | — | 3030 81ST PL SE | SMITH FIRE SYSTEMS INC | |
| 2026-02-27 | HVAC/Mech | — | 4740 W MERCER WAY | POTELCO INC | |
| 2026-02-27 | General Construction | — | 4833 90TH AVE SE | C-SWIFT CONSTRUCTION LLC | |
| 2026-02-27 | General Construction | — | 5701 ISLAND CREST WAY | — | |
| 2026-02-27 | Fire Protection | — | 3804 E MERCER WAY | NORTHWEST ALARMS | |
| 2026-02-27 | General Construction | — | VARIOUS | CABLECOM LLC | |
| 2026-02-26 | Plumbing | — | 7808 89TH PL SE |
ALL PRO PLUMBING NORTHWEST
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| 2026-02-26 | Electrical | — | 1845 72ND AVE SE | MAPLE VALLEY ELECTRIC INC | |
| 2026-02-26 | General Construction | — | 2040 84TH AVE SE | — | |
| 2026-02-25 | Plumbing | — | 3660 E MERCER WAY | RESOLVE GENERAL CONSTRUCTION LLC | |
| 2026-02-25 | Plumbing | — | 3660 E MERCER WAY | RESOLVE GENERAL CONSTRUCTION LLC | |
| 2026-02-25 | HVAC/Mech | — | 4719 86TH AVE SE | CANNON MECHANICAL LLC | |
| 2026-02-25 | HVAC/Mech | — | 8481 SE 72ND ST | ×2 GENE JOHNSN PLB HTG CL ELC LLC | |
| 2026-02-25 | Plumbing | — | 3660 E MERCER WAY | RESOLVE GENERAL CONSTRUCTION LLC | |
| 2026-02-25 | Plumbing | — | 4444 88TH AVE SE | GENE JOHNSN PLB HTG CL ELC LLC | |
| 2026-02-25 | Plumbing | — | 2040 84TH AVE SE | — | |
| 2026-02-25 | Electrical | — | 2885 78TH AVE SE | COLE ELECTRIC | |
| 2026-02-25 | General Construction | — | 8097 W MERCER WAY | TRIBE USA - WORLD AND WILLOW | |
| 2026-02-25 | Plumbing | — | 2251 71ST AVE SE | FIRST CHOICE PLUMBING | |
| 2026-02-25 | HVAC/Mech | — | 8412 85TH AVE SE | BOB'S HEATING &AIR CNDTNG LLC | |
| 2026-02-24 | Electrical | — | 8413 SE 34TH PL | GENE JOHNSN PLB HTG CL ELC LLC | |
| 2026-02-24 | Fire Protection | — | 8015 SE 28TH ST | PRO TECH ELECTRIC INC | |
| 2026-02-24 | General Construction | — | 6905 96TH AVE SE | MVP CONSTRUCTION LLC | |
| 2026-02-24 | HVAC/Mech | — | 8421 SE 68TH ST | KEY MECHANICAL OF WASHINGTON | |
| 2026-02-24 | Plumbing | — | 5995 SE 30TH ST | BEST PLUMBING GROUP LLC | |
| 2026-02-24 | Fire Protection | — | 7525 SE 24TH ST | CONVERGINT TECHNOLOGIES, LLC. | |
| 2026-02-24 | HVAC/Mech | — | 2500 81ST AVE SE | — | |
| 2026-02-24 | Electrical | — | 6515 SE 30TH ST | PROVIDENT ELECTRIC INC | |
| 2026-02-24 | Fire Protection | — | 8015 SE 28TH ST | CROWN FIRE PROTECTION INC. | |
| 2026-02-24 | HVAC/Mech | — | 3869 W MERCER WAY | SUTTER HOME &HEARTH INC | |
| 2026-02-24 | General Construction | — | 4454 FERNCROFT RD | TREE SOLUTIONS INC | |
| 2026-02-24 | General Construction | — | 2707 70TH AVE SE | FILCO CO INC | |
| 2026-02-24 | General Construction | — | 4047 W MERCER WAY | — | |
| 2026-02-24 | HVAC/Mech | — | 8685 SE 47TH ST | CARDINAL HEATING &AIR | |
| 2026-02-23 | Plumbing | — | 2969 74TH AVE SE | INFRASOURCE SERVICES LLC | |
| 2026-02-23 | HVAC/Mech | — | 3322 W MERCER WAY | GLACIER HEATING &COOLING LLC | |
| 2026-02-23 | Plumbing | — | 5635 84TH AVE SE | INFRASOURCE SERVICES LLC | |
| 2026-02-23 | HVAC/Mech | — | 8740 ISLAND HEIGHTS LN | WASHINGTON GENERATORS LLC | |
| 2026-02-23 | Plumbing | — | 3036 69TH AVE SE | PRICE BUSTERS PLUMBING | |
| 2026-02-23 | General Construction | — | 9356 MERCERWOOD DR | BAKLINSKI HOME IMPROVEMENT | |
| 2026-02-23 | HVAC/Mech | — | 8326 AVALON DR | WATERFRONT CONSTRUCTION CO | |
| 2026-02-23 | Electrical | — | 8740 ISLAND HEIGHTS LN | WASHINGTON GENERATORS LLC | |
| 2026-02-23 | General Construction | — | 6423 E MERCER WAY | NW UTILITY SERVICES, LLC | |
| 2026-02-23 | Electrical | — | 8426 SE 47TH ST | ELECTRIC CO/SEATTLE INC, THE | |
| 2026-02-20 | Electrical | — | 5438 E MERCER WAY | ACTION PLUS ELECTRIC INC |
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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