2121 31st Ave W

Seattle, WA 98199

Two permits on record here. The newest, May 7: Construct addition and alteration to existing one family dwelling. Within a quarter mile, the city has issued 7 more permits since May 1.

1. Construct addition and alteration to existing one family dwelling

   Addition
   May 7$151,858
2. Construct engineered seismic retrofit of an existing single family residence

   Alteration or repair
   Feb 10$36,356

1. New first floor addition to existing detached one-story single family residence.Construct addition and…

   1932 35th Ave W · 990 ft SW · Addition
   Sep 21$300,000
2. Construct interior alterations to basement of one family dwelling subject to field inspection STFI

   1937 34th Ave W · 860 ft SW · Alteration or repair
   Sep 16$57,070

1. Construct interior alterations to existing single family residence per STFI

   2443 29th Ave W · 0.22 mi NE · Alteration or repair
   Sep 28$126,000
2. Replace (enlarge) two upper-level windows in a one-dwelling unit subject to field inspection

   2433 29th Ave W · 0.21 mi NE · Alteration or repair
   Jul 28$14,000
3. Construct additions and substantial alterations to one-family dwelling

   2512 31st Ave W · 0.24 mi N · Alteration or repair
   May 26$500,000
4. Construct additions and alterations to existing one-family residence

   2427 28th Ave W · 0.24 mi NE · Alteration or repair
   May 22$204,902
5. Construct interior alterations to existing single family residence per STFI

   1811 30th Ave W · 0.19 mi S · Alteration or repair
   May 20$25,000

Seattle Department of Construction and Inspections updated its data Oct 5, 2026. We checked it Oct 5, 11:54 UTC. Official data.

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

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