# Building permits at 121 12th Ave, Seattle, WA

One permit on record here. The newest, Nov 17, 2025: Demolish existing structures. Within a quarter mile, the city has issued 5 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Nov 17, 2025 | Demolition | Demolish existing structures per plan. | $22,147 | [6963965-DM](https://nearbypermits.com/seattle/permit/6963965-DM/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 3 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | [1020 S Main St](https://nearbypermits.com/seattle/address/1020-s-main-st/) | 780 ft SW | Alteration or repair | Construct interior non-structural alterations to existing multifamily building at lobby per plan. | $10,000 | [7138609-CN](https://nearbypermits.com/seattle/permit/7138609-CN/) |
| Aug 11, 2026 | [209 12th Ave S](https://nearbypermits.com/seattle/address/209-12th-ave-s/) | 630 ft S | Alteration or repair | Construct tenant improvements for multi-family (Mason & Main Apartments) at entry lobbies on the northeast corner of 1st floor and the southwest area of 2nd Floor to existing mixed-use building per plan. | $10,000 | [7138618-CN](https://nearbypermits.com/seattle/permit/7138618-CN/) |
| Jul 13, 2026 | [209 12th Ave S](https://nearbypermits.com/seattle/address/209-12th-ave-s/) | 630 ft S | Alteration or repair | Interior repairs for multifamily building subject to field inspection (STFI) | $8,000 | [7152137-CN](https://nearbypermits.com/seattle/permit/7152137-CN/) |

### Farther (1,000 ft to ¼ mi), 2 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 20, 2026 | [1515 E Yesler Way](https://nearbypermits.com/seattle/address/1515-e-yesler-way/) | 0.24 mi E | Roofing | Re-roofing Project | $349,747 | [7153945-RR](https://nearbypermits.com/seattle/permit/7153945-RR/) |
| Jun 25, 2026 | [450 12th Ave](https://nearbypermits.com/seattle/address/450-12th-ave/) | 0.23 mi N | Alteration or repair | Change use from beauty salon to eating and drinking per land use code. Construct tenant improvements in mixed-use building on SW corner of ground floor (Minna Mediterranean) occupy per plan. | $152,400 | [7130279-CN](https://nearbypermits.com/seattle/permit/7130279-CN/) |

## More on this street

Other addresses on 12th Ave with permits, nearest house number first:

- [104 12th Ave](https://nearbypermits.com/seattle/address/104-12th-ave/): newest permit Mar 9, 2026
- [157 12th Ave](https://nearbypermits.com/seattle/address/157-12th-ave/): newest permit Apr 3, 2025
- [450 12th Ave](https://nearbypermits.com/seattle/address/450-12th-ave/): newest permit Jun 25, 2026
- [810 12th Ave](https://nearbypermits.com/seattle/address/810-12th-ave/): newest permit Mar 5, 2025
- [901 12th Ave](https://nearbypermits.com/seattle/address/901-12th-ave/): newest permit Aug 28, 2025
- [1429 12th Ave](https://nearbypermits.com/seattle/address/1429-12th-ave/): newest permit Mar 11, 2025
- [1610 12th Ave](https://nearbypermits.com/seattle/address/1610-12th-ave/): newest permit Sep 3, 2025
- [1621 12th Ave](https://nearbypermits.com/seattle/address/1621-12th-ave/): newest permit Oct 31, 2025
- [1640 12th Ave](https://nearbypermits.com/seattle/address/1640-12th-ave/): newest permit Feb 9, 2026
- [1815 12th Ave](https://nearbypermits.com/seattle/address/1815-12th-ave/): newest permit Jun 2, 2025

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 22:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, the one permit at this address and 5 nearby: https://nearbypermits.com/seattle/address/121-12th-ave/