# Building permits at 3247 40th Ave SW, Seattle, WA The biggest project within a quarter mile since May 1: a $2M demolition at 3446 39th Ave SW, permitted Sep 2. Two permits on record here. The newest, Dec 5, 2025: Construct substantial alterations to SFR subject to field inspection STFI. Within a quarter mile, the city has issued 9 more permits since May 1. One is for a new building, 740 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Dec 5, 2025 | Alteration or repair | Construct substantial alterations to SFR subject to field inspection STFI. (Reference 7115896-CN for approved SEHR) | $125,000 | [7119893-CN](https://nearbypermits.com/seattle/permit/7119893-CN/) | | Dec 3, 2025 | Alteration or repair | Earthquake retrofit plan per SDCI as requested in my STFI permit application Record Number: 004921-25PA. | $2,000 | [7115896-CN](https://nearbypermits.com/seattle/permit/7115896-CN/) | ## Within ¼ mi since May 1, 2026 9 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 2, 2026 | [3446 39th Ave SW](https://nearbypermits.com/seattle/address/3446-39th-ave-sw/) | 1,000 ft SE | Demolition | Demolish existing one-family dwelling per plan. | $2,000,000 | [7148726-DM](https://nearbypermits.com/seattle/permit/7148726-DM/) | | Jun 9, 2026 | [3264 40th Ave SW](https://nearbypermits.com/seattle/address/3264-40th-ave-sw/) | 250 ft SE | Addition | Construct substantial alteration and addition to existing one-family dwelling per plan. | $210,000 | [7129698-CN](https://nearbypermits.com/seattle/permit/7129698-CN/) | | May 5, 2026 | [3432 Walnut Ave SW](https://nearbypermits.com/seattle/address/3432-walnut-ave-sw/) | 740 ft S | New building | Allow detached accessory dwelling unit to existing single-family use per land use code. Construct as single-family dwelling per plan. | $132,249 | [7045204-CN](https://nearbypermits.com/seattle/permit/7045204-CN/) | ### Farther (1,000 ft to ¼ mi), 6 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [3715 40th Ave SW](https://nearbypermits.com/seattle/address/3715-40th-ave-sw/) | 0.24 mi S | Roofing | Replacing shingles on the house. | $3,000 | [7165838-RR](https://nearbypermits.com/seattle/permit/7165838-RR/) | | Jun 2, 2026 | [2939 39th Ave SW](https://nearbypermits.com/seattle/address/2939-39th-ave-sw/) | 0.21 mi N | Alteration or repair | Construct substantial alterations to existing one-family dwelling subject-to-field inspection (STFI). | $160,000 | [7145521-CN](https://nearbypermits.com/seattle/permit/7145521-CN/) | | May 26, 2026 | [3447 Belvidere Ave SW](https://nearbypermits.com/seattle/address/3447-belvidere-ave-sw/) | 0.23 mi SE | Alteration or repair | Replace 6 windows and 1 patio door like for like for one family dwelling nail fin installation vinyl windows U-factor.30 or better per manufacturer's specifications STFI. | $12,071 | [7144308-CN](https://nearbypermits.com/seattle/permit/7144308-CN/) | | May 18, 2026 | [3000 California Ave SW](https://nearbypermits.com/seattle/address/3000-california-ave-sw/) | 0.19 mi NW | Alteration or repair | Construct and install new southwest school portable (P6) at northwest parking lot of existing institutional building (West Seattle High School) occupy per plan. (Construct and install (2) new school portables at northwest parking lot of existing institutional building (West Seattle High School) occu | $292 | [7137476-CN](https://nearbypermits.com/seattle/permit/7137476-CN/) | | May 18, 2026 | [3000 California Ave SW](https://nearbypermits.com/seattle/address/3000-california-ave-sw/) | 0.19 mi NW | Alteration or repair | Construct and install new northwest school portable (P5) at northwest parking lot of existing institutional building (West Seattle High School) occupy per plan. (Construct and install (2) new school portables at northwest parking lot of existing institutional building (West Seattle High School) occu | Not listed | [7117474-CN](https://nearbypermits.com/seattle/permit/7117474-CN/) | | May 4, 2026 | [3007 38th Ave SW](https://nearbypermits.com/seattle/address/3007-38th-ave-sw/) | 0.23 mi NE | Alteration or repair | Construct interior alterations to one family dwelling subject to field inspection STFI. | $50,000 | [7141242-CN](https://nearbypermits.com/seattle/permit/7141242-CN/) | ## Zoning requests nearby There are no zoning requests on file within ¼ mi. Seattle's feed was last read Oct 13. ## More on this street Other addresses on 40th Ave SW with permits, nearest house number first: - [3264 40th Ave SW](https://nearbypermits.com/seattle/address/3264-40th-ave-sw/): newest permit Jun 9, 2026 - [3715 40th Ave SW](https://nearbypermits.com/seattle/address/3715-40th-ave-sw/): newest permit Oct 5, 2026 - [3729 40th Ave SW](https://nearbypermits.com/seattle/address/3729-40th-ave-sw/): newest permit Nov 24, 2025 - [4043 40th Ave SW](https://nearbypermits.com/seattle/address/4043-40th-ave-sw/): newest permit May 19, 2026 - [4402 40th Ave SW](https://nearbypermits.com/seattle/address/4402-40th-ave-sw/): newest permit Jun 15, 2026 - [4403 40th Ave SW](https://nearbypermits.com/seattle/address/4403-40th-ave-sw/): newest permit Jan 14, 2026 - [4405 40th Ave SW](https://nearbypermits.com/seattle/address/4405-40th-ave-sw/): newest permit Aug 18, 2025 - [4424 40th Ave SW](https://nearbypermits.com/seattle/address/4424-40th-ave-sw/): newest permit Oct 3, 2025 - [4456 40th Ave SW](https://nearbypermits.com/seattle/address/4456-40th-ave-sw/): newest permit Sep 24, 2026 - [4731 40th Ave SW](https://nearbypermits.com/seattle/address/4731-40th-ave-sw/): newest permit Jan 7, 2025 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-13 19:45 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 13, 14:48 UTC. Map, both permits at this address and 9 nearby: https://nearbypermits.com/seattle/address/3247-40th-ave-sw/