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1,626 indexed permits · Mercer Island, Washington.
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| Newest permit | 2026-09-17 |
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PermitGrab tracks 1,626 building permits in Mercer Island, WA as of 2026-09-17.
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 |
|---|---|---|---|---|---|
| 2026-08-26 | Windows/Doors | — | 7525 SE 24TH ST | DP INCORPORATED | |
| 2026-08-26 | Electrical | — | 9409 SE 33RD ST | SWITCH ELECTRIC LLC | |
| 2026-08-26 | HVAC/Mech | — | 5222 W MERCER WAY | WASHINGTON ENERGY SVCS CO LLC | |
| 2026-08-26 | HVAC/Mech | — | 4620 88TH AVE SE | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-08-26 | General Construction | — | 7687 85TH PL SE | ADVANCED CONCEPTS LLC | |
| 2026-08-26 | HVAC/Mech | — | 5222 W MERCER WAY | WASHINGTON ENERGY SVCS CO LLC | |
| 2026-08-26 | HVAC/Mech | — | 8241 W MERCER WAY | ALPHA HTG &AIR COND INC | |
| 2026-08-26 | Plumbing | — | 3933 90TH AVE SE | GREENWOOD HEATING &HOME SRVS | |
| 2026-08-26 | HVAC/Mech | — | 4620 88TH AVE SE | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-08-26 | Electrical | — | 9030 SE 59TH ST | GREENWOOD HEATING &HOME SRVS | |
| 2026-08-26 | HVAC/Mech | — | 9409 SE 33RD ST | SWITCH ELECTRIC LLC | |
| 2026-08-26 | General Construction | — | — | — | |
| 2026-08-26 | Electrical | — | 7525 SE 24TH ST | OLSEN ELECTRIC INC | |
| 2026-08-25 | General Construction | — | 6743 80TH AVE SE | AMBROSE CONSTRUCTION INC | |
| 2026-08-25 | General Construction | — | 6743 80TH AVE SE | AMBROSE CONSTRUCTION INC | |
| 2026-08-25 | Fire Protection | — | 8035 SE 45TH ST | RAIN CITY FIRE PROTECTION LLC | |
| 2026-08-25 | Electrical | — | 8521 SE 79TH PL | SURGE ELECTRICAL LLC | |
| 2026-08-25 | HVAC/Mech | — | 8220 SE 64TH ST | LEO'S HEATING &COOLING | |
| 2026-08-25 | Plumbing | — | 6743 80TH AVE SE | AMBROSE CONSTRUCTION INC | |
| 2026-08-25 | General Construction | — | 6743 80TH AVE SE | AMBROSE CONSTRUCTION INC | |
| 2026-08-24 | General Construction | — | 2251 71ST AVE SE | COASTAL CRAFTSMAN LLC | |
| 2026-08-24 | Electrical | — | 7231 91ST PL SE | TK ELECTRIC | |
| 2026-08-24 | HVAC/Mech | — | 9954 SE 38TH ST | ECO ELECTRIC, PLBG, HTG &AIR | |
| 2026-08-24 | Electrical | — | 3021 W MERCER WAY | REWIRE ELECTRIC LLC | |
| 2026-08-24 | Fire Protection | — | 7833 SE 28TH ST | GENESEE FUEL & HEATING CO | |
| 2026-08-24 | HVAC/Mech | — | 2405 61ST AVE SE | — | |
| 2026-08-24 | Electrical | — | 2935 76TH AVE SE | VENTURE ELECTRIC | |
| 2026-08-23 | HVAC/Mech | — | 8007 SE 36TH ST | SKYSCRAPER ELECTRIC LLC | |
| 2026-08-21 | HVAC/Mech | — | 3430 77TH AVE SE |
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| 2026-08-21 | HVAC/Mech | — | 3430 77TH AVE SE |
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| 2026-08-21 | HVAC/Mech | — | 4080 W MERCER WAY | ALTAIR PRO SERVICES LLC | |
| 2026-08-21 | HVAC/Mech | — | 2431 84TH AVE SE | FIRESIDE HOME SOLUTIONS | |
| 2026-08-20 | Fire Protection | — | 6905 96TH AVE SE | NORTHWEST FIRE SYSTEMS LLC | |
| 2026-08-20 | General Construction | — | 4113 BOULEVARD PL | CANNON CONSTRUCTION INC | |
| 2026-08-20 | Electrical | — | 8421 SE 46TH ST | CANNON CONSTRUCTION INC | |
| 2026-08-20 | General Construction | — | 4419 E MERCER WAY | INFRASOURCE SERVICES LLC | |
| 2026-08-20 | HVAC/Mech | — | 8418 MAPLE LN | SOUTH WEST PLMBG &WATER HTRS | |
| 2026-08-20 | General Construction | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | Plumbing | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | Plumbing | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | General Construction | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | Plumbing | — | 3427 72ND PL SE | ARTOUSH CONSTRUCTION AND REMODELING LLC | |
| 2026-08-20 | General Construction | — | 4625 92ND AVE SE | ECO SQUARE DESIGN & BUILD LLC | |
| 2026-08-20 | Electrical | — | 8109 SE 71ST ST | POTELCO INC | |
| 2026-08-20 | General Construction | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | General Construction | — | 3246 72ND PL SE | POTELCO INC | |
| 2026-08-20 | HVAC/Mech | — | 8418 MAPLE LN | SOUTH WEST PLMBG &WATER HTRS | |
| 2026-08-20 | Electrical | — | 8005 AVALON PL | GENERATECH INC. | |
| 2026-08-20 | HVAC/Mech | — | 2405 61ST AVE SE | THERMOTECH HEATING &COOLING | |
| 2026-08-20 | Plumbing | — | 3427 72ND PL SE | ARTOUSH CONSTRUCTION AND REMODELING LLC |
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 2026-09-17. 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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