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 |
|---|---|---|---|---|
| 2026-10-12 |
Electrical Source type: ELECTRICAL
|
8415 E MERCER WAY | BT SOLUTIONS LLC | |
| 2026-10-12 |
HVAC Source type: MECHANICAL
|
2714 70TH AVE SE | BRENNAN HEATING &A/C LLC | |
| 2026-10-12 |
Electrical Source type: ELECTRICAL
|
4512 90TH AVE SE | A C ELECTRIC SERVICE | |
| 2026-10-11 |
Electrical Source type: ELECTRICAL
|
6240 W MERCER WAY | PACIFIC CREST POWER | |
| 2026-10-09 |
Electrical Source type: ELECTRICAL
|
8297 SE 82ND ST | KEMLY ELECTRIC INC | |
| 2026-10-09 |
Plumbing Source type: PLUMBING
|
7549 SE 29TH ST | FAST WATER HEATER CO | |
| 2026-10-09 |
Plumbing Source type: PLUMBING
|
8700 SE 71ST ST | FAST WATER HEATER CO | |
| 2026-10-09 |
General Construction Source type: RIGHTOFWAY USE
|
— | — | |
| 2026-10-09 |
General Construction Source type: RIGHTOFWAY USE
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
Plumbing Source type: PLUMBING
|
8427 SE 36TH ST | AQUA CIVIUM PLUMBING | |
| 2026-10-09 |
Plumbing Source type: SIDESEWER
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
Demolition Source type: DEMO
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
Plumbing Source type: SIDESEWER
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
Electrical Source type: ELECTRICAL
|
8229 SE 30TH ST | ×2 SWITCH ELECTRIC LLC | |
| 2026-10-09 |
General Construction Source type: BUILDING
|
8326 AVALON DR | Homeowner permit | |
| 2026-10-09 |
Plumbing Source type: RIGHTOFWAY USE
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
Plumbing Source type: SIDESEWER
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
Demolition Source type: BUILDING
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
General Construction Source type: WATERSERVICE
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
General Construction Source type: STORMWATER
|
4526 89TH AVE SE | JAYMARC HOMES | |
| 2026-10-09 |
Electrical Source type: ELECTRICAL
|
8229 SE 30TH ST | SWITCH ELECTRIC LLC | |
| 2026-10-09 |
HVAC Source type: MECHANICAL
|
8265 SE 61ST ST | P P S HEATING &A/C INC | |
| 2026-10-09 |
Plumbing Source type: SIDESEWER
|
7239 SE 24TH ST | OCEAN PLUMBING LLC | |
| 2026-10-08 |
General Construction Source type: RIGHTOFWAY USE
|
8439 SE 37TH ST | INFRASOURCE SERVICES LLC | |
| 2026-10-08 |
Plumbing Source type: PLUMBING
|
4052 E MERCER WAY | TRUSTED PLUMBING &HEATING LLC | |
| 2026-10-08 |
Landscaping & Exterior Source type: SHORELINE
|
6460 E MERCER WAY | — | |
| 2026-10-08 |
HVAC Source type: MECHANICAL
|
4617 FOREST AVE SE | VARSITY HEATING &COOLING LLC | |
| 2026-10-08 |
General Construction Source type: RIGHTOFWAY USE
|
7816 SE 40TH ST | POTELCO INC | |
| 2026-10-08 |
General Construction Source type: RIGHTOFWAY USE
|
6749 82ND AVE SE | POTELCO INC | |
| 2026-10-08 |
General Construction Source type: RIGHTOFWAY USE
|
7200 N MERCER WAY | POTELCO INC | |
| 2026-10-08 |
Roofing Source type: BUILDING
|
6701 W MERCER WAY | THREE TREE ROOFING COMPANY LLC | |
| 2026-10-07 |
General Construction Source type: RIGHTOFWAY USE
|
7525 SE 71ST ST | INFRASOURCE SERVICES LLC | |
| 2026-10-07 |
Electrical Source type: ELECTRICAL
|
4106 78TH AVE SE | ELEVATED SYSTEMS LLC | |
| 2026-10-07 |
Plumbing Source type: PLUMBING
|
3200 81ST PL SE | FAST WATER HEATER CO | |
| 2026-10-07 |
General Construction Source type: RIGHTOFWAY USE
|
6905 96TH AVE SE | POTELCO INC | |
| 2026-10-07 |
Electrical Source type: ELECTRICAL
|
4009 W MERCER WAY | MCCARTHY ELECTRIC &TECH LLC | |
| 2026-10-07 |
Electrical Source type: RIGHTOFWAY USE
|
6560 W MERCER WAY | ADVANCED CONCEPTS LLC | |
| 2026-10-07 |
Plumbing Source type: PLUMBING
|
3204 81ST PL SE | FAST WATER HEATER CO | |
| 2026-10-07 |
Electrical Source type: RIGHTOFWAY USE
|
7840 SE 62ND ST | ADVANCED CONCEPTS LLC | |
| 2026-10-07 |
Temporary Source type: TEMPORARY USE PERMIT
|
4150 E MERCER WAY | — | |
| 2026-10-07 |
Temporary Source type: TEMPORARY USE PERMIT
|
8326 AVALON DR | — | |
| 2026-10-07 |
Plumbing Source type: PLUMBING
|
8427 SE 62ND ST | QUALITY PLUMBING | |
| 2026-10-07 |
General Construction Source type: RIGHTOFWAY USE
|
5325 90TH AVE SE | POTELCO INC | |
| 2026-10-06 |
Electrical Source type: ELECTRICAL
|
7939 LAKE VIEW LN | HOME COMFORT ALLIANCE LLC | |
| 2026-10-06 |
HVAC Source type: MECHANICAL
|
6250 89TH AVE SE | ADVANCED INSTALLATION INC | |
| 2026-10-06 |
HVAC Source type: MECHANICAL
|
8808 SE 54TH ST |
ESSENTIAL HEATING &AIR
📞 (•••) •••-••••
|
|
| 2026-10-06 |
HVAC Source type: MECHANICAL
|
7939 LAKE VIEW LN | HOME COMFORT ALLIANCE LLC | |
| 2026-10-06 |
Electrical Source type: ELECTRICAL
|
4917 E MERCER WAY | BLACK LOTUS HVAC LLC | |
| 2026-10-06 |
HVAC Source type: MECHANICAL
|
4917 E MERCER WAY | BLACK LOTUS HVAC LLC |
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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