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Permit Activity Report · June 13, 2026
Mercer Island, WA
540 permits filed in the last 90 days · data updated 2026-06-12
540
Permits · 90 Days
26
Permits · This Week
165
Active Contractors
0
Code Violations
Top Trades by Permit Volume
Electrical
295
HVAC
193
Plumbing
155
General Construction
128
Fire Protection
54
Most Active Contractors
1
GREENWOOD HEATING &HOME SRVS
Electrical · 3 permits/30d
23
permits
Verifying…
2
POTELCO INC
HVAC · 1 permits/30d
20
permits
Verifying…
3
GENE JOHNSN PLB HTG CL ELC LLC
Electrical · 1 permits/30d
14
permits
Verifying…
4
INFRASOURCE SERVICES LLC
HVAC
13
permits
Verifying…
5
SEATOWN ELECTRIC HTG &AIRLLC
Electrical
13
permits
Verifying…
6
HD PARTNERS LLC
Plumbing
11
permits
Verifying…
7
ATERA HOMES LLC
Plumbing
8
permits
Verifying…
8
FAST WATER HEATER COMPANY
Plumbing · 1 permits/30d
7
permits
Verifying…
9
ADVANCED CONCEPTS LLC
Electrical
7
permits
Verifying…
10
ALLRED HTG COOLING ELEC LLC
Electrical · 3 permits/30d
6
permits
Verifying…