# Building permits at 4231 Baker Ave NW, Seattle, WA Three permits on record here. The newest, Jan 7: Construct alterations to create attached accessory dwelling unit at basement level of existing single family. Within a quarter mile, the city has issued 9 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jan 7, 2026 | Alteration or repair | Construct alterations to create attached accessory dwelling unit at basement level of existing single family residence per plan. | $15,000 | [6702596-CN](https://nearbypermits.com/seattle/permit/6702596-CN/) | | Oct 28, 2010 | Alteration or repair | Complete work permitted under permit # 738521 subject to field inspection. | $20,000 | [6265212-CN](https://nearbypermits.com/seattle/permit/6265212-CN/) | | Jul 14, 2006 | Addition | Closed as incomplete - expired permit complete and final permit#738521 construct 2nd floor addition and alterations to existing single family residence per plan | $25,800 | [6101964-CN](https://nearbypermits.com/seattle/permit/6101964-CN/) | ## Within ¼ mi since May 1, 2026 9 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [4227 Baker Ave NW](https://nearbypermits.com/seattle/address/4227-baker-ave-nw/) | 80 ft S | Alteration or repair | Construct alterations to existing one family dwelling per STFI | $120,000 | [7165509-CN](https://nearbypermits.com/seattle/permit/7165509-CN/) | ### This block (250 to 1,000 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 27, 2026 | [208 NW 43rd St](https://nearbypermits.com/seattle/address/208-nw-43rd-st/) | 300 ft NE | Alteration or repair | Construct engineered voluntary seismic retrofit for one family dwelling subject to field inspection STFI. | $3,440 | [7164488-CN](https://nearbypermits.com/seattle/permit/7164488-CN/) | | Sep 15, 2026 | [102 N 41st St](https://nearbypermits.com/seattle/address/102-n-41st-st/) | 990 ft SE | Alteration or repair | Construct alterations and seismic retrofit to existing one-family dwelling subject to field inspection (STFI). | $65,000 | [7162656-CN](https://nearbypermits.com/seattle/permit/7162656-CN/) | | Jul 10, 2026 | [4203 1st Ave NW](https://nearbypermits.com/seattle/address/4203-1st-ave-nw/) | 660 ft SE | Addition | Construct exterior deck addition to existing one-family dwelling subject to field inspection (STFI) | $15,000 | [7152363-CN](https://nearbypermits.com/seattle/permit/7152363-CN/) | ### Farther (1,000 ft to ¼ mi), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 2, 2026 | [303 N 44th St](https://nearbypermits.com/seattle/address/303-n-44th-st/) | 0.24 mi E | Alteration or repair | Replace (2) windows and (1) patio door like-for-like for unit 102 of multi-family building [GREENWOOD WEST CONDOMINIUM] subject to field inspection [STFI]. | $11,916 | [7161928-CN](https://nearbypermits.com/seattle/permit/7161928-CN/) | | Sep 15, 2026 | [4113 Palatine Ave N](https://nearbypermits.com/seattle/address/4113-palatine-ave-n/) | 0.19 mi SE | Addition | Construct pergola addition to existing one family residence subject to field inspection (STFI). | $5,233 | [7162012-CN](https://nearbypermits.com/seattle/permit/7162012-CN/) | | Sep 12, 2026 | [4001 2nd Ave NW](https://nearbypermits.com/seattle/address/4001-2nd-ave-nw/) | 0.21 mi S | Alteration or repair | Construct alterations to basement and main floor of existing one-family dwelling. Work includes new bedroom removing existing basement kitchen and relocating stair subject to field inspection (STFI). | $70,000 | [7162027-CN](https://nearbypermits.com/seattle/permit/7162027-CN/) | | Aug 25, 2026 | [4516 2nd Ave NW](https://nearbypermits.com/seattle/address/4516-2nd-ave-nw/) | 0.24 mi N | Alteration or repair | Establish use as housing for two attached dwelling units per land use code. Construct alterations to create a two family dwelling per plan. | $50,000 | [7123131-CN](https://nearbypermits.com/seattle/permit/7123131-CN/) | | Jul 28, 2026 | [4247 Greenwood Ave N](https://nearbypermits.com/seattle/address/4247-greenwood-ave-n/) | 0.20 mi E | Fence, wall or deck | Construct new exterior decks with 4" pin pile foundations for existing multi-family structure per plan. | $17,569 | [6927784-CN](https://nearbypermits.com/seattle/permit/6927784-CN/) | ## Zoning requests nearby There are no zoning requests on file within ¼ mi. Seattle's feed was last read Oct 9. ## More on this street Other addresses on Baker Ave NW with permits, nearest house number first: - [4227 Baker Ave NW](https://nearbypermits.com/seattle/address/4227-baker-ave-nw/): newest permit Oct 5, 2026 - [4211 Baker Ave NW](https://nearbypermits.com/seattle/address/4211-baker-ave-nw/): newest permit Mar 26, 2026 - [4303 Baker Ave NW](https://nearbypermits.com/seattle/address/4303-baker-ave-nw/): newest permit Dec 17, 2025 - [4319 Baker Ave NW](https://nearbypermits.com/seattle/address/4319-baker-ave-nw/): newest permit Nov 6, 2024 - [4332 Baker Ave NW](https://nearbypermits.com/seattle/address/4332-baker-ave-nw/): newest permit Feb 10, 2025 - [4436 Baker Ave NW](https://nearbypermits.com/seattle/address/4436-baker-ave-nw/): newest permit Jun 18, 2025 - [5034 Baker Ave NW](https://nearbypermits.com/seattle/address/5034-baker-ave-nw/): newest permit May 13, 2026 - [5044 Baker Ave NW](https://nearbypermits.com/seattle/address/5044-baker-ave-nw/): newest permit May 4, 2026 - [5045 Baker Ave NW](https://nearbypermits.com/seattle/address/5045-baker-ave-nw/): newest permit Dec 21, 2024 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-09 22:16 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 9, 19:48 UTC. Map, all 3 permits at this address and 9 nearby: https://nearbypermits.com/seattle/address/4231-baker-ave-nw/