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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 |
|---|---|---|---|---|---|
| 2026-08-20 | Demolition | — | 3427 72ND PL SE | ARTOUSH CONSTRUCTION AND REMODELING LLC | |
| 2026-08-20 | General Construction | — | 3427 72ND PL SE | Artoush Construct & Remodel | |
| 2026-08-20 | General Construction | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | Electrical | — | 3427 72ND PL SE | ARTOUSH CONSTRUCTION AND REMODELING LLC | |
| 2026-08-20 | Demolition | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | General Construction | — | 3427 72ND PL SE | ARTOUSH CONSTRUCTION AND REMODELING LLC | |
| 2026-08-20 | General Construction | — | 2740 61ST AVE SE | LNL BUILDS LLC | |
| 2026-08-20 | Demolition | — | 3427 72ND PL SE | ARTOUSH CONSTRUCTION AND REMODELING LLC | |
| 2026-08-20 | Electrical | — | 4511 87TH AVE SE | POTELCO INC | |
| 2026-08-20 | HVAC/Mech | — | 2405 61ST AVE SE | THERMOTECH HEATING &COOLING | |
| 2026-08-20 | General Construction | — | 3427 72ND PL SE | ARTOUSH CONSTRUCTION AND REMODELING LLC | |
| 2026-08-20 | Signage | — | 7808 SE 28TH ST | — | |
| 2026-08-20 | Electrical | — | 6510 81ST AVE SE | MAPLE VALLEY ELECTRIC INC | |
| 2026-08-19 | HVAC/Mech | — | 6928 96TH AVE SE | GREENWOOD HEATING &HOME SRVS | |
| 2026-08-19 | HVAC/Mech | — | 2412 67TH AVE SE | GREENWOOD HEATING &HOME SRVS | |
| 2026-08-19 | Plumbing | — | 8326 AVALON DR | PSF MECHANICAL, INC. | |
| 2026-08-19 | HVAC/Mech | — | 4080 W MERCER WAY | ALTAIR PRO SERVICES LLC | |
| 2026-08-19 | HVAC/Mech | — | 6928 96TH AVE SE | GREENWOOD HEATING &HOME SRVS | |
| 2026-08-19 | General Construction | — | 6811 W MERCER WAY | EASTSIDE TREE WORKS LLC | |
| 2026-08-19 | General Construction | — | 2432 63RD AVE SE | SOUTH FORK TREE SERVICE | |
| 2026-08-18 | Electrical | — | 5020 W MERCER WAY | RAINIER VALLEY ELECTRIC | |
| 2026-08-18 | Electrical | — | 9100 SE 72ND PL | GREENWORKS ELECTRIC LLC | |
| 2026-08-18 | HVAC/Mech | — | 3840 81ST AVE SE | PRODUCT AIR HTNG &COOLING LLC | |
| 2026-08-18 | HVAC/Mech | — | 3840 81ST AVE SE | PRODUCT AIR HTNG &COOLING LLC | |
| 2026-08-18 | General Construction | — | 7400 81ST PL SE | RAIN CITY CONTRACTING | |
| 2026-08-18 | Electrical | — | 2946 76TH PL SE | Greenwood Heating & Home Services | |
| 2026-08-18 | HVAC/Mech | — | 2946 76TH PL SE | Greenwood Heating & Home Services | |
| 2026-08-17 | HVAC/Mech | — | 3840 81ST AVE SE |
ESSENTIAL HEATING &AIR
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| 2026-08-17 | HVAC/Mech | — | 3840 81ST AVE SE |
ESSENTIAL HEATING &AIR
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| 2026-08-17 | Plumbing | — | 5040 84TH AVE SE | GENE JOHNSN PLB HTG CL ELC LLC | |
| 2026-08-17 | HVAC/Mech | — | 8421 SE 68TH ST | KEY MECHANICAL OF WASHINGTON | |
| 2026-08-17 | Electrical | — | 8421 SE 68TH ST | KEY MECHANICAL OF WASHINGTON | |
| 2026-08-17 | Plumbing | — | 8421 SE 35TH ST | STEADY FLOW SWR &DRAIN CO | |
| 2026-08-17 | General Construction | — | 7950 NORTHBROOK LN | SZ BUILD INC | |
| 2026-08-17 | Electrical | — | 5995 SE 30TH ST | MAPLE VALLEY ELECTRIC INC | |
| 2026-08-17 | General Construction | — | 2720 71ST AVE SE | — | |
| 2026-08-17 | General Construction | — | 4860 E MERCER WAY | BALLARD TREE SERVICE | |
| 2026-08-17 | HVAC/Mech | — | 4555 88TH AVE SE | EMERALD CITY ENERGY INC | |
| 2026-08-17 | Electrical | — | 6531 82ND AVE SE | ELECTRIC CO/SEATTLE INC, THE | |
| 2026-08-16 | Plumbing | — | 5 WEMBLEY LN |
CREATIVE PLUMBING SOLUTIONS
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| 2026-08-14 | Electrical | — | 4701 84TH AVE SE | NWELECTRICIANSTODAY LLC | |
| 2026-08-14 | Plumbing | — | 6000 SE 20TH ST | SEABORN PILE DRIVING CO | |
| 2026-08-14 | General Construction | — | 9190 SE 70TH PL | CANNON CONSTRUCTION INC | |
| 2026-08-14 | Plumbing | — | 8530 SE 79TH PL | TPJ INC | |
| 2026-08-14 | Electrical | — | 8413 SE 82ND ST | POTELCO INC | |
| 2026-08-14 | General Construction | — | 5451 E MERCER WAY | GC Seattle Builders LLC | |
| 2026-08-14 | HVAC/Mech | — | 4222 SHORECLUB DR | CARDINAL HEATING &AIR | |
| 2026-08-14 | General Construction | — | 7977 SE 67TH ST | CABLECOM, LLC | |
| 2026-08-14 | General Construction | — | 4400 86TH AVE SE | THREE TREE ROOFING COMPANY LLC | |
| 2026-08-14 | Roofing | — | 4810 FOREST AVE SE | CABLECOM, 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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