VetTheHome/King County Data/Building permits
King County · original aggregate data

Building-permit activity in King County, by city

As of September 2026, 35,364 building permits filed in the last 12 months across the 45 King County cities VetTheHome tracks (covering 607,268 homes on record), per public records aggregated by VetTheHome.

Updated September 2026 · refreshed weekly

Building permits filed in the last 12 months. By city.

#CityHomes on recordPermits, last 12 mo
1Seattle198,86515,580
2Bellevue34,4719,807
3Kirkland24,7167,440
4Renton39,2732,306
5Medina1,25631
6Clyde Hill1,13622
7Auburn28,07217
8Burien14,54217
9Redmond22,90415
10Sammamish21,61115
11Woodinville10,93111
12Issaquah12,35410
13Kent34,1989
14Shoreline17,4609
15Algona1,2147
16Seatac6,5707
17Des Moines8,7686
18Yarrow Point4376
19Mercer Island7,8575
20Newcastle4,0195
21Tukwila5,3025
22Duvall5,1744
23Fall City1,9064
24Federal Way23,5193
25Kenmore7,5403
26Milton4513
27Beaux Arts1222
28Bothell7,2132
29Covington7,3732
30Maple Valley12,8952
31North Bend6,1932
32Vashon5,4382
33Black Diamond4,2731
34Hunts Point1961
35Lake Forest Park5,0521
36Pacific1,9911
37Snoqualmie5,4501
38Baring2510
39Carnation3,1220
40Enumclaw8,4400
41Normandy Park2,5480
42Preston1200
43Ravensdale1,4070
44Skykomish5370
45Snoqualmie Pass1010

Sources: King County permit records. Compiled and refreshed weekly by VetTheHome. Aggregate covers the 45 King County cities in our dataset; see the full methodology.

What this means for buyers

Permit volume is a rough gauge of construction and renovation activity in an area. On an individual home, permit history is a check against undisclosed or unpermitted work.

Check any King County address

More King County data

About this data

These are aggregate figures compiled from Washington public records for general information — estimates and counts, not appraisals, inspections, or legal advice. The county roll-up covers the cities in our dataset and excludes unincorporated areas; individual parcels are reported at the address level. Public records contain errors — found one? Email corrections@vetthehome.com.