1,986 indexed permits · 306 contractor names in the last 90 days · 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.
| Active contractors | 306 |
|---|---|
| Newest permit | 2026-11-04 |
PermitGrab tracks 1,986 building permits in Mercer Island, WA as of 2026-11-04, including 306 active contractors identified from filings in the last 90 days.
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 — contractors, addresses, and project values. 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.
1,986 permits sorted by date
Project value is blank on every record displayed here, so the Value column is omitted.
⇄ Swipe or scroll to see address & contractor
| Date | Type | Address | Contractor / Status | Save |
|---|---|---|---|---|
| 2026-02-16 |
Electrical Source type: ELECTRICAL
|
4180 W MERCER WAY | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-02-16 |
Electrical Source type: ELECTRICAL
|
4180 W MERCER WAY | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-02-14 |
Electrical Source type: ELECTRICAL
|
4830 86TH AVE SE | ILLMATIC ELECTRIC &DESIGN LLC | |
| 2026-02-13 |
HVAC Source type: MECHANICAL
|
9215 SE 33RD ST | GENE JOHNSN PLB HTG CL ELC LLC | |
| 2026-02-13 |
Electrical Source type: ELECTRICAL
|
4318 FOREST AVE SE | GENE JOHNSN PLB HTG CL ELC LLC | |
| 2026-02-13 |
Fire Protection Source type: FIREPROTECTION
|
8326 AVALON DR | CONVERGINT TECHNOLOGIES, LLC. | |
| 2026-02-13 |
HVAC Source type: MECHANICAL
|
6160 W MERCER WAY | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-02-13 |
Electrical Source type: ELECTRICAL
|
6464 E MERCER WAY | SMART ELECTRIC LLC | |
| 2026-02-13 |
Plumbing Source type: SIDESEWER
|
8407 SE 82ND ST | ACES FOUR ENTERPRISES LLC | |
| 2026-02-13 |
Plumbing Source type: PLUMBING
|
7439 92ND PL SE | FAST WATER HEATER COMPANY | |
| 2026-02-13 |
Electrical Source type: ELECTRICAL
|
6160 W MERCER WAY | SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-02-12 |
Electrical Source type: ELECTRICAL
|
7200 86TH AVE SE | PUGET POWER ELECTRIC LLC | |
| 2026-02-12 |
General Construction Source type: RIGHTOFWAY USE
|
8435 SE 45TH ST | INFRASOURCE SERVICES LLC | |
| 2026-02-12 |
Interior Renovation Source type: BUILDING
|
8007 SE 60TH ST | HEARTWOOD BUILDERS INC | |
| 2026-02-12 |
HVAC Source type: MECHANICAL
|
4318 FOREST AVE SE | GENE JOHNSN PLB HTG CL ELC LLC | |
| 2026-02-12 |
General Construction Source type: TREE
|
7415 91ST AVE SE |
EVERGREEN TREE CARE
📞 (•••) •••-••••
|
|
| 2026-02-12 |
HVAC Source type: MECHANICAL
|
4742 E MERCER WAY | ×2 SEATOWN ELECTRIC HTG &AIRLLC | |
| 2026-02-12 |
HVAC Source type: RIGHTOFWAY USE
|
8456 SE 39TH ST | NORTH SKY COMMUNICATIONS LLC | |
| 2026-02-12 |
Electrical Source type: RIGHTOFWAY USE
|
8456 SE 40TH ST | ADVANCED CONCEPTS LLC | |
| 2026-02-12 |
Fire Protection Source type: FIREPROTECTION
|
7525 SE 24TH ST | CONVERGINT TECHNOLOGIES, LLC. | |
| 2026-02-12 |
Electrical Source type: RIGHTOFWAY USE
|
4650 FOREST AVE SE | ADVANCED CONCEPTS LLC | |
| 2026-02-12 |
Electrical Source type: ELECTRICAL
|
8341 SE 61ST ST | PRODUCT AIR HTNG &COOLING LLC | |
| 2026-02-12 |
Electrical Source type: RIGHTOFWAY USE
|
6180 90TH AVE SE | ADVANCED CONCEPTS LLC | |
| 2026-02-11 |
Electrical Source type: ELECTRICAL
|
8015 SE 28TH ST | PRO TECH ELECTRIC INC | |
| 2026-02-11 |
Plumbing Source type: SIDESEWER
|
5228 W MERCER WAY | DONE RIGHT PLMBG &SWR RPR LLC | |
| 2026-02-11 |
Interior Renovation Source type: BUILDING
|
5634 90TH AVE SE | Modern Design Construction LLC | |
| 2026-02-11 |
Electrical Source type: ELECTRICAL
|
4525 FOREST AVE SE | SUNERGY SYSTEMS INC. | |
| 2026-02-11 |
Plumbing Source type: PLUMBING
|
5228 W MERCER WAY | DONE RIGHT PLMBG &SWR RPR LLC | |
| 2026-02-11 |
Structural Source type: DEVIATION
|
8275 W MERCER WAY | — | |
| 2026-02-11 |
Fire Protection Source type: FIREPROTECTION
|
9550 SE 43RD ST | INTEGRITY HOME INTEGRATION, INC. | |
| 2026-02-11 |
Electrical Source type: ELECTRICAL
|
3464 79TH AVE SE | A&R SOLAR CORP | |
| 2026-02-10 |
HVAC Source type: WATERSERVICE
|
4332 86TH AVE SE | EB#5 LLC, None | |
| 2026-02-10 |
General Construction Source type: STORMWATER
|
4115 78TH AVE SE | RKK CONSTRUCTION INC | |
| 2026-02-09 |
General Construction Source type: STORMWATER
|
7420 78TH AVE SE | HIGHLANDS BUILDER GROUP | |
| 2026-02-09 |
General Construction Source type: TREE
|
9043 SE 50TH ST | SAVATREE LLC | |
| 2026-02-09 |
Demolition Source type: BUILDING
|
5320 BUTTERWORTH RD | MacPherson Const & Design | |
| 2026-02-09 |
Interior Renovation Source type: BUILDING
|
4897 FOREST AVE SE | American Home Builders | |
| 2026-02-06 |
Fire Protection Source type: FIREPROTECTION
|
9640 SE 61ST PL | CASCADIA FIRE PROTECTION LLC | |
| 2026-02-06 |
Interior Renovation Source type: BUILDING
|
8071 W MERCER WAY | HAMISH ANDERSON CUSTOM HOMES - IA | |
| 2026-02-04 |
General Construction Source type: RIGHTOFWAY USE
|
8460 SE 83RD ST | INFRASOURCE SERVICES LLC | |
| 2026-02-04 |
Fire Protection Source type: FIREPROTECTION
|
2758 78TH AVE SE | E-SQUARED SYSTEMS, LLC | |
| 2026-02-04 |
General Construction Source type: RIGHTOFWAY USE
|
8035 SE 45TH ST | — | |
| 2026-02-04 |
Plumbing Source type: PLUMBING
|
7549 SE 29TH ST | Homeowner permit | |
| 2026-02-04 |
Plumbing Source type: SHORELINE
|
6000 SE 20TH ST | — | |
| 2026-02-03 |
Demolition Source type: DEMO
|
6611 W MERCER WAY | KREKOW JENNINGS INC | |
| 2026-02-02 |
HVAC Source type: WATERSERVICE
|
6805 SE 32ND ST | GALLAGHER CO., LLC | |
| 2026-02-02 |
General Construction Source type: TREE
|
4020 E MERCER WAY | Seattle Tree Care (TREECYCLE LLC) | |
| 2026-02-02 |
Interior Renovation Source type: BUILDING
|
2251 71ST AVE SE | — | |
| 2026-02-02 |
Roofing Source type: BUILDING
|
3023 78TH AVE SE | — |
New building permits in Mercer Island, Washington show where construction activity is being recorded. Contractors can filter the available public records by trade, date, address, and project value to research projects and plan outreach using the fields the source publishes.
Mercer Island, Washington processes building permits covering residential construction, commercial buildouts, renovations, and specialty trade work. PermitGrab tracks 1,986+ Mercer Island building permits — newest permit date: 2026-11-04 from official city sources.
Building permits in Mercer Island can document new construction, renovations, and specialty work. The fields in a public record vary by filing, but may include a project address, scope, estimated cost, or contractor name. Use the displayed source information to evaluate whether a record is useful for your market research.
HVAC contractors, electricians, plumbers, and roofers can use Mercer Island building-permit records to research visible construction activity. A permit may signal a project that is relevant to a particular trade, but the source record does not establish that its owner is seeking a bid.
Use the published date, project details, and any named business contact to research a project before outreach. Public records are not exclusive, and outreach results depend on the market, project, and your own process.
Eligible subscribers can receive trade-filtered alerts when new records are collected. Alert timing and field coverage follow the underlying source rather than a universal schedule.
PermitGrab methodology · Page data current as of · Source: Mercer Island WA building permits (MyBuildingPermit.com regional portal).
PermitGrab indexes 1,986 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 2026-11-04. Newest permit date: 2026-11-04. 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 1,986 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 a business name to review its recorded permit activity in Mercer Island and the project details the public source publishes. Use the scope, timing, and address to research complementary work; a record is not a request for bids.
Search recent Mercer Island, WA building permits by address, contractor, 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 and the most active contractors, see the Mercer Island Permit Pulse.
Email alerts when new public records are available for newly published permits and recorded project-team activity. Contact details are shown only where the public source publishes them. 14-day Pro trial for alerts — card required; Pro $149/mo unlocks full available records.
PermitGrab currently tracks 1,986 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 find leads in Mercer Island by filtering PermitGrab by trade and ZIP code, then researching the recorded contractor and project activity. Contact details appear only where a public record includes them; saved-search email alerts track new matching records as they are published.
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