# Building permits at 2121 31st Ave W, Seattle, WA 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. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | May 7, 2026 | Addition | Construct addition and alteration to existing one family dwelling per plan. | $151,858 | [7118160-CN](https://nearbypermits.com/seattle/permit/7118160-CN/) | | Feb 10, 2026 | Alteration or repair | Construct engineered seismic retrofit of an existing single family residence. Stfi. | $36,356 | [7128039-CN](https://nearbypermits.com/seattle/permit/7128039-CN/) | ## Within ¼ mi since May 1, 2026 7 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 21, 2026 | [1932 35th Ave W](https://nearbypermits.com/seattle/address/1932-35th-ave-w/) | 990 ft SW | Addition | New first floor addition to existing detached one-story single family residence.Construct addition and alterations to existing one-family dwelling per plan | $300,000 | [7148765-CN](https://nearbypermits.com/seattle/permit/7148765-CN/) | | Sep 16, 2026 | [1937 34th Ave W](https://nearbypermits.com/seattle/address/1937-34th-ave-w/) | 860 ft SW | Alteration or repair | Construct interior alterations to basement of one family dwelling subject to field inspection STFI. | $57,070 | [7162274-CN](https://nearbypermits.com/seattle/permit/7162274-CN/) | ### Farther (1,000 ft to ¼ mi), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 28, 2026 | [2443 29th Ave W](https://nearbypermits.com/seattle/address/2443-29th-ave-w/) | 0.22 mi NE | Alteration or repair | Construct interior alterations to existing single family residence per STFI | $126,000 | [7164058-CN](https://nearbypermits.com/seattle/permit/7164058-CN/) | | Jul 28, 2026 | [2433 29th Ave W](https://nearbypermits.com/seattle/address/2433-29th-ave-w/) | 0.21 mi NE | Alteration or repair | Replace (enlarge) two upper-level windows in a one-dwelling unit subject to field inspection. | $14,000 | [7143587-CN](https://nearbypermits.com/seattle/permit/7143587-CN/) | | May 26, 2026 | [2512 31st Ave W](https://nearbypermits.com/seattle/address/2512-31st-ave-w/) | 0.24 mi N | Addition | Construct additions and substantial alterations to one-family dwelling per plan. | $500,000 | [7119056-CN](https://nearbypermits.com/seattle/permit/7119056-CN/) | | May 22, 2026 | [2427 28th Ave W](https://nearbypermits.com/seattle/address/2427-28th-ave-w/) | 0.24 mi NE | Addition | Construct additions and alterations to existing one-family residence per plan | $204,902 | [7122859-CN](https://nearbypermits.com/seattle/permit/7122859-CN/) | | May 20, 2026 | [1811 30th Ave W](https://nearbypermits.com/seattle/address/1811-30th-ave-w/) | 0.19 mi S | Alteration or repair | Construct interior alterations to existing single family residence per STFI | $25,000 | [7139375-CN](https://nearbypermits.com/seattle/permit/7139375-CN/) | ## Zoning requests nearby Hearings are public: you can comment or attend. Dates can move; check the city's page before you go. | Status | Hearing | Address | Distance | Request | Case | City's words | Filed | |---|---|---|---|---|---|---|---| | In review | | 2520 32nd Ave W | 0.25 mi N | Land use application to allow use of alley for parking access | [3044313-LU](https://services.seattle.gov/portal/customize/LinkToRecord.aspx?altId=3044313-LU) | "Corrections Required" | 2026-07-10 | ## More on this street Other addresses on 31st Ave W with permits, nearest house number first: - [1917 31st Ave W](https://nearbypermits.com/seattle/address/1917-31st-ave-w/): newest permit Dec 18, 2025 - [2512 31st Ave W](https://nearbypermits.com/seattle/address/2512-31st-ave-w/): newest permit May 26, 2026 - [1716 31st Ave W](https://nearbypermits.com/seattle/address/1716-31st-ave-w/): newest permit Aug 28, 2025 - [2552 31st Ave W](https://nearbypermits.com/seattle/address/2552-31st-ave-w/): newest permit May 9, 2025 - [2609 31st Ave W](https://nearbypermits.com/seattle/address/2609-31st-ave-w/): newest permit Sep 11, 2025 - [2801 31st Ave W](https://nearbypermits.com/seattle/address/2801-31st-ave-w/): newest permit Oct 2, 2026 - [3217 31st Ave W](https://nearbypermits.com/seattle/address/3217-31st-ave-w/): newest permit Aug 24, 2026 - [3218 31st Ave W](https://nearbypermits.com/seattle/address/3218-31st-ave-w/): newest permit Jan 22, 2026 - [3408 31st Ave W](https://nearbypermits.com/seattle/address/3408-31st-ave-w/): newest permit May 6, 2025 - [3506 31st Ave W](https://nearbypermits.com/seattle/address/3506-31st-ave-w/): newest permit Jun 3, 2025 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-15 07:31 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Zoning requests come from the Seattle land use permits (https://cos-data.seattle.gov/d/ht3q-kdvx), City of Seattle. We read it Oct 15, 05:48 UTC. Map, both permits at this address and 7 nearby: https://nearbypermits.com/seattle/address/2121-31st-ave-w/