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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 |
|---|---|---|---|---|---|
| 2026-05-19 | HVAC/Mech | — | 7445 86TH AVE SE | — | |
| 2026-05-19 | Fire Protection | — | 7244 N MERCER WAY | ISLAND SECURITY SYSTEMS INC | |
| 2026-05-19 | HVAC/Mech | — | 4124 83RD AVE SE | — | |
| 2026-05-19 | Plumbing | — | 4124 83RD AVE SE | — | |
| 2026-05-19 | HVAC/Mech | — | 7445 86TH AVE SE | — | |
| 2026-05-18 | General Construction | — | 3204 72ND AVE SE | Rucon Build LLC | |
| 2026-05-18 | HVAC/Mech | — | 2740 61ST AVE SE | — | |
| 2026-05-18 | General Construction | — | 7204 78TH AVE SE | — | |
| 2026-05-18 | Electrical | — | 2933 76TH AVE SE | — | |
| 2026-05-18 | Electrical | — | 2430 74TH AVE SE | POTELCO INC | |
| 2026-05-18 | Electrical | — | 4634 E MERCER WAY | — | |
| 2026-05-18 | Electrical | — | 5248 W MERCER WAY | — | |
| 2026-05-18 | HVAC/Mech | — | 3815 W MERCER WAY | — | |
| 2026-05-18 | General Construction | — | 2425 60TH AVE SE | — | |
| 2026-05-18 | HVAC/Mech | — | 8639 SE 75TH PL | — | |
| 2026-05-18 | HVAC/Mech | — | 8205 SE 71ST ST | — | |
| 2026-05-18 | Electrical | — | 2939 76TH AVE SE | ×2 — | |
| 2026-05-18 | HVAC/Mech | — | 7511 92ND AVE SE | — | |
| 2026-05-18 | HVAC/Mech | — | 8919 SE 58TH ST | — | |
| 2026-05-15 | Electrical | — | 9603 SE 72ND ST | — | |
| 2026-05-15 | HVAC/Mech | — | 5236 W MERCER WAY | — | |
| 2026-05-15 | Electrical | — | 6541 82ND AVE SE | — | |
| 2026-05-15 | HVAC/Mech | — | 6541 82ND AVE SE | — | |
| 2026-05-15 | Electrical | — | 8612 SE 36TH ST | — | |
| 2026-05-15 | HVAC/Mech | — | 8833 SE 61ST ST | — | |
| 2026-05-15 | HVAC/Mech | — | 3211 74TH AVE SE | — | |
| 2026-05-14 | Fire Protection | — | 8326 AVALON DR | COLUMBIA FIRE LLC | |
| 2026-05-14 | Electrical | — | 7446 85TH PL SE | — | |
| 2026-05-14 | Plumbing | — | 7525 SE 24TH ST | — | |
| 2026-05-14 | Electrical | — | 3868 W MERCER WAY | — | |
| 2026-05-14 | HVAC/Mech | — | 7446 85TH PL SE | — | |
| 2026-05-14 | Electrical | — | 14 BROOK BAY RD | — | |
| 2026-05-13 | Plumbing | — | 9750 SE 41ST ST | — | |
| 2026-05-13 | General Construction | — | 6511 82ND AVE SE | CARLISLE CLASSIC HOMES, LLC | |
| 2026-05-13 | Plumbing | — | 6511 82ND AVE SE | CARLISLE CLASSIC HOMES, LLC | |
| 2026-05-13 | HVAC/Mech | — | 4222 SHORECLUB DR | — | |
| 2026-05-12 | Solar | — | 4665 81ST AVE SE | — | |
| 2026-05-12 | General Construction | — | 4545 88TH AVE SE | ALEX TREE SERVICE LLC | |
| 2026-05-12 | Fire Protection | — | 10 BROOK BAY RD | — | |
| 2026-05-12 | HVAC/Mech | — | 12 MEADOW LN | — | |
| 2026-05-12 | Electrical | — | 9324 SE 68TH ST | — | |
| 2026-05-12 | Electrical | — | 2937 76TH AVE SE | — | |
| 2026-05-12 | Plumbing | — | 12 MEADOW LN | — | |
| 2026-05-12 | Plumbing | — | 9324 SE 68TH ST | — | |
| 2026-05-12 | HVAC/Mech | — | 4157 W MERCER WAY | — | |
| 2026-05-12 | Electrical | — | 2937 76TH AVE SE | — | |
| 2026-05-12 | General Construction | — | 2411 60TH AVE SE | — | |
| 2026-05-12 | General Construction | — | 8570 SE 80TH ST | — |
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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