# Building permits at 412 31st Ave, Seattle, WA

Two permits on record here. The newest, Dec 20, 2024: Engineered seismic retrofit for SFR subject to field inspection STFI. Within a quarter mile, the city has issued 10 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Dec 20, 2024 | Alteration or repair | Engineered seismic retrofit for SFR subject to field inspection STFI. Revision approved 1/26/2026 to include interior alteration to basement level | $2,000 | [7061445-CN](https://nearbypermits.com/seattle/permit/7061445-CN/) |
| May 30, 2023 | Alteration or repair | Interior alterations to a single-family residence subject to field inspection. | $22,000 | [6967194-CN](https://nearbypermits.com/seattle/permit/6967194-CN/) |

## Within ¼ mi since May 1, 2026

10 permits in the circle. From our copy of the city's data (last 24 months).

### This block (250 to 1,000 ft), 6 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | [339 33rd Ave](https://nearbypermits.com/seattle/address/339-33rd-ave/) | 460 ft SE | Addition | Construct penthouse stair addition and alterations to a one-family dwelling per plans | $100,000 | [7135450-CN](https://nearbypermits.com/seattle/permit/7135450-CN/) |
| Sep 14, 2026 | [217 30th Ave](https://nearbypermits.com/seattle/address/217-30th-ave/) | 690 ft SW | Alteration or repair | Construct interior alteration to bathroom of basement in one family dwelling subject to field inspection STFI. | $30,000 | [7154350-CN](https://nearbypermits.com/seattle/permit/7154350-CN/) |
| Aug 14, 2026 | [511 33rd Ave](https://nearbypermits.com/seattle/address/511-33rd-ave/) | 520 ft NE | Alteration or repair | 2nd floor bathroom interior remodel and proposed curb cut at existing permeable surface parking area subject to field inspection (STFI) | $30,000 | [7158097-CN](https://nearbypermits.com/seattle/permit/7158097-CN/) |
| Jul 31, 2026 | [336 29th Ave](https://nearbypermits.com/seattle/address/336-29th-ave/) | 560 ft W | Alteration or repair | Construct alterations to existing one-family dwelling per plan. | $10,000 | [7109075-CN](https://nearbypermits.com/seattle/permit/7109075-CN/) |
| Jul 14, 2026 | [526 29th Ave](https://nearbypermits.com/seattle/address/526-29th-ave/) | 740 ft NW | Fence, wall or deck | Remove failed retaining wall and replace with stepped retaining walls subject to field inspection. | $15,400 | [7142463-CN](https://nearbypermits.com/seattle/permit/7142463-CN/) |
| Jun 11, 2026 | [206 32nd Ave](https://nearbypermits.com/seattle/address/206-32nd-ave/) | 830 ft S | Fence, wall or deck | Construct alterations to remove existing detached garage accessory to one-family dwelling subject to field inspection [STFI]. | $11,000 | [7143059-CN](https://nearbypermits.com/seattle/permit/7143059-CN/) |

### Farther (1,000 ft to ¼ mi), 4 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | [762 30th Ave](https://nearbypermits.com/seattle/address/762-30th-ave/) | 0.23 mi N | Alteration or repair | Alterations to basement in a one-dwelling unit subject to field inspection. | $120,000 | [7162411-CN](https://nearbypermits.com/seattle/permit/7162411-CN/) |
| Aug 21, 2026 | [551 28th Ave](https://nearbypermits.com/seattle/address/551-28th-ave/) | 0.22 mi NW | Alteration or repair | Construct alterations in multifamily building in Unit 2 to create a bedroom per plan. | $10,000 | [7147597-CN](https://nearbypermits.com/seattle/permit/7147597-CN/) |
| May 16, 2026 | [728 33rd Ave](https://nearbypermits.com/seattle/address/728-33rd-ave/) | 0.25 mi NE | Alteration or repair | Construct engineered voluntary seismic upgrade to basement of SFR STFI | $4,500 | [7143521-CN](https://nearbypermits.com/seattle/permit/7143521-CN/) |
| May 13, 2026 | [135 32nd Ave](https://nearbypermits.com/seattle/address/135-32nd-ave/) | 0.24 mi S | Fence, wall or deck | Playfield improvements project to install synthetic turf and gravel base material on top of the existing asphalt playfield and add a small retaining wall. | $416,000 | [7113415-CN](https://nearbypermits.com/seattle/permit/7113415-CN/) |

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-05 18:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, both permits at this address and 10 nearby: https://nearbypermits.com/seattle/address/412-31st-ave/