Mercer Island Building Permits & Project Research

1,986 indexed permits · 306 contractor names in the last 90 days · Mercer Island, Washington.

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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.

Mercer Island building permits — key stats
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.

✓ Recent record dates

Record recency is based on available filing or issue dates; it does not verify publication time or collection delay.

Newest permit date:

PermitGrab Pro is a $149/mo subscription for current municipal permit, property, and code-violation records. In this market, that includes contractor records from the official municipal feed. 14-day Pro trial below — choose your market first, then card required at checkout · cancel anytime before day 14.

Filter Mercer Island permits by trade: solar · roofing · HVAC · electrical · fire protection · new construction.

Free weekly permit summary for Mercer Island

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
Indexed Permits
306
Contractor names (90 days)
2026-11-05
Last Updated
Source date: 2026-11-04
📊 View Mercer Island source-dated permit records →

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New permits, and contractor activity sent when new public records are available.

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Published permit & code records

Permit data through 2026-11-04
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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 Details Contractor / Status Save
2026-08-28 Plumbing
Source type: PLUMBING
8280 SE 82ND ST CAP WATER SUPPLY BEHIND METER SCHULTZ MILLER INC
2026-08-28 General Construction
Source type: TREE
8450 W MERCER WAY REMOVE 1 TREE BLOOMA TREE EXPERTS
2026-08-27 Electrical
Source type: ELECTRICAL
8518 SE 78TH ST 1 EV Charging Station EV charger KEMLY ELECTRIC INC
2026-08-27 Electrical
Source type: ELECTRICAL
2411 60TH AVE SE 32.12 kW DC / 23.725 kW AC Solar Rooftop System solar A&R SOLAR CORP
2026-08-27 Plumbing
Source type: PLUMBING
3615 88TH AVE SE 1 Water Heater - Gas gas Water heater BRENNAN HEATING &A/C LLC
2026-08-27 Interior Renovation
Source type: BUILDING
9525 SE 69TH ST Interior remodel, demo wall, replace w/beam PARS WA CONSTRUCTION INC
2026-08-27 Electrical
Source type: ELECTRICAL
4545 ISLAND CREST WAY (1) Circuit, (2) Exhaust Fans EXACT ELECTRIC LLC
2026-08-27 General Construction
Source type: TREE
7130 78TH AVE SE Remove (1) Hazard Tree - Rplc w/ 6 Trees BLUE RIBBON TREE AND LANDSCAPE
2026-08-27 Electrical
Source type: ELECTRICAL
7810 SE 30TH ST (1) Power Apparatus 2 to 10 kW MERIDIAN CENTER ELECTRIC
2026-08-26 HVAC
Source type: MECHANICAL
9409 SE 33RD ST Gas Piping Only SWITCH ELECTRIC LLC
2026-08-26 General Construction
Source type: NOISE
— 2026 Residential Street Overlay Proiject residential —
2026-08-26 Electrical
Source type: ELECTRICAL
5222 W MERCER WAY 1 Heat Pump - circuit WASHINGTON ENERGY SVCS CO LLC
2026-08-26 HVAC
Source type: MECHANICAL
5222 W MERCER WAY 1 Heat Pump heat pump WASHINGTON ENERGY SVCS CO LLC
2026-08-26 General Construction
Source type: RIGHTOFWAY USE
7687 85TH PL SE JOB# 278551 - Boring for Comcast Condut Installation ADVANCED CONCEPTS LLC
2026-08-26 Electrical
Source type: ELECTRICAL
9409 SE 33RD ST 1 Generator - Outside SWITCH ELECTRIC LLC
2026-08-26 General Construction
Source type: BUILDING
7525 SE 24TH ST NEW WALLS, DOORS & LIGHT FIXTURES DP INCORPORATED
2026-08-26 HVAC
Source type: MECHANICAL
8241 W MERCER WAY 1 Air Conditioner ALPHA HTG &AIR COND INC
2026-08-26 General Construction
Source type: RIGHTOFWAY USE
2423 84TH AVE SE Waterline Replacement in ROW EASTSIDE REPIPE & PLUMBING
2026-08-26 HVAC
Source type: MECHANICAL
4620 88TH AVE SE 1 Heat Pump heat pump SEATOWN ELECTRIC HTG &AIRLLC
2026-08-26 Electrical
Source type: ELECTRICAL
9030 SE 59TH ST 1 Service Change, 1 Receptacle GREENWOOD HEATING &HOME SRVS
2026-08-26 Plumbing
Source type: SIDESEWER
3933 90TH AVE SE SIDESEWER GREENWOOD HEATING &HOME SRVS
2026-08-26 Electrical
Source type: ELECTRICAL
4620 88TH AVE SE 1 Heat Pump - circuit SEATOWN ELECTRIC HTG &AIRLLC
2026-08-26 Electrical
Source type: ELECTRICAL
7525 SE 24TH ST Electrical TI - Install Misc Power & Lighting OLSEN ELECTRIC INC
2026-08-25 HVAC
Source type: MECHANICAL
8220 SE 64TH ST 1 Air Handler, 1 Heat Pump heat pump LEO'S HEATING &COOLING
2026-08-25 Interior Renovation
Source type: BUILDING
6743 80TH AVE SE INTERIOR REMODEL; DEMO 4 SHEDS; REVISE HARDSCAPE AMBROSE CONSTRUCTION INC
2026-08-25 General Construction
Source type: RIGHTOFWAY USE
6743 80TH AVE SE MATERIALS DELIVERY - NO LANE CLOSURE AMBROSE CONSTRUCTION INC
2026-08-25 Electrical
Source type: ELECTRICAL
8521 SE 79TH PL 1 Clothes Dryer - circuit SURGE ELECTRICAL LLC
2026-08-25 Plumbing
Source type: SIDESEWER
6743 80TH AVE SE CONNECT EXTENSION TO EXISTING SEWER line work AMBROSE CONSTRUCTION INC
2026-08-25 Fire Protection
Source type: FIREPROTECTION
8035 SE 45TH ST NFPA 13D Fire Sprinkler System fire protection, spri… RAIN CITY FIRE PROTECTION LLC
2026-08-25 General Construction
Source type: WATERSERVICE
6743 80TH AVE SE 1" METER DROP IN EX. SERVICE-SUPPLY LINE TO HOUSE 1.25" MIN AMBROSE CONSTRUCTION INC
2026-08-24 Electrical
Source type: ELECTRICAL
3021 W MERCER WAY 1 EV Charging Station EV charger REWIRE ELECTRIC LLC
2026-08-24 Electrical
Source type: ELECTRICAL
2935 76TH AVE SE 1 Service Panel Change Out service panel replacement Panel service VENTURE ELECTRIC
2026-08-24 Electrical
Source type: ELECTRICAL
7231 91ST PL SE 3 Light Fixture, 1 Receptacle, 2 Switch TK ELECTRIC
2026-08-24 Fire Protection
Source type: FIREPROTECTION
7833 SE 28TH ST INSTALL VERTICAL 120 GAL PROPANE TANK fire protection GENESEE FUEL & HEATING CO
2026-08-24 Interior Renovation
Source type: BUILDING
2251 71ST AVE SE 199 sq ft DETACHED OFFICE W/BATHROOM COASTAL CRAFTSMAN LLC
2026-08-24 Electrical
Source type: ELECTRICAL
2405 61ST AVE SE 1 Heat Pump —
2026-08-24 HVAC
Source type: MECHANICAL
9954 SE 38TH ST 1 Furnace 100,000 BTU or Less 100,000 BTU furnace ECO ELECTRIC, PLBG, HTG &AIR
2026-08-23 Electrical
Source type: ELECTRICAL
8007 SE 36TH ST 1 Air Conditioner - circuit SKYSCRAPER ELECTRIC LLC
2026-08-21 HVAC
Source type: MECHANICAL
3430 77TH AVE SE 1 Furnace, 1 Heat Pump furnace, heat pump RESCUE ROOTER
📞 (•••) •••-••••
2026-08-21 Electrical
Source type: ELECTRICAL
3430 77TH AVE SE 1 Heat Pump, 1 Furnace RESCUE ROOTER
📞 (•••) •••-••••
2026-08-21 HVAC
Source type: MECHANICAL
2431 84TH AVE SE 2 Fireplace Insert, 2 Gas Piping Outlets FIRESIDE HOME SOLUTIONS
2026-08-21 Electrical
Source type: ELECTRICAL
4080 W MERCER WAY 1 Heat Pump ALTAIR PRO SERVICES LLC
2026-08-20 General Construction
Source type: RIGHTOFWAY USE
4113 BOULEVARD PL JOB# JB0002634865 - Replace Aerial Taps & Install New Coax CANNON CONSTRUCTION INC
2026-08-20 Electrical
Source type: RIGHTOFWAY USE
8421 SE 46TH ST JOB# JB0002658086 - Damaged Conduit Repair CANNON CONSTRUCTION INC
2026-08-20 General Construction
Source type: RIGHTOFWAY USE
4419 E MERCER WAY JOB# 109157616 - Replace Dupont Gas Main INFRASOURCE SERVICES LLC
2026-08-20 Fire Protection
Source type: FIREPROTECTION
6905 96TH AVE SE NFPA 13D Residential Fire Sprinkler System fire protection, spri… NORTHWEST FIRE SYSTEMS LLC
2026-08-20 Demolition
Source type: BUILDING
3427 72ND PL SE DEMO/REBUILD 3745 SFR W/ATTACHED ADU ARTOUSH CONSTRUCTION AND REMODELING LLC
2026-08-20 Electrical
Source type: ELECTRICAL
8418 MAPLE LN 1 Air Conditioner - circuit SOUTH WEST PLMBG &WATER HTRS
2026-08-20 Electrical
Source type: ELECTRICAL
6510 81ST AVE SE 1 Pool, Hot Tub, Spa or Sauna - Outdoor MAPLE VALLEY ELECTRIC INC
2026-08-20 General Construction
Source type: WATERSERVICE
3427 72ND PL SE 1" METER DROP IN EX. SERVICE-SUPPLY LINE TO HOUSE TBD* ARTOUSH CONSTRUCTION AND REMODELING LLC
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Permit Types in Mercer Island
Construction Activity in Mercer Island

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.

About Mercer Island Building Permits

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.

How Contractors Use Mercer Island Permit Data

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).

Who appears in Mercer Island permit records?

PermitGrab indexes 1,986 building permits in Mercer Island. New records appear as they are available from the source.

How fresh is Mercer Island permit data?

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.

What construction appears in Mercer Island permit records?

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.

1 workflow for Mercer Island research

Start with the published project record.

🕵️

The project-team lookup

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.

Research Mercer Island project activity — Pro $149/mo

How to look up Mercer Island building permits

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.

Nearby Washington Cities — explore building permits in other Washington cities

Research Mercer Island project activity

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.

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Frequently Asked Questions about Mercer Island Building Permits

How many building permits does PermitGrab track in Mercer Island?

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.

How fresh is the Mercer Island permit data?

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.

How can contractors find construction leads in Mercer Island?

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.

What’s included in the 14-day trial?

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. Contractor phone and website reveals are included where source-published. Card required to start; cancel anytime before day 14.

Can I cancel anytime?

Yes. Cancel any time from your account page — no contracts, no cancellation fees. Your subscription stays active through the end of the current billing period.

Who buys this data?

Mercer Island permit data, by use case

Same data, different angle. Pick the playbook that matches what you sell.

Contractors & subs
Recent Mercer Island contractor activity is a signal for labor and material demand. Contact details appear only where the public source publishes them.
Home service companies
An addition or remodel can be useful project context for HVAC, plumbing, or warranty outreach. Review the project signal before outreach.
Solar installers
Roof permits and electrical upgrades in Mercer Island provide project context for solar-market research. Filter by the current project signal and verify ownership separately.
Insurance agents
Mercer Island renovations can identify properties for a policy-review workflow. Confirm coverage needs independently before contacting a property owner.
Material suppliers & manufacturer reps
Choose a product-line research workflow, then use published job type, description, and value fields where available for territory and demand research. A permit is not a materials order, purchase signal, or open bid.
Developers & new construction
Sort source-published new-construction records by project value and type to research active projects and property activity, with contractor details where the record publishes them.
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