# Building permits at 3403 Cascadia Ave S, Seattle, WA New buildings permitted at two addresses within 950 ft since May 1, the largest $663,362. One permit on record here. The newest, Aug 25: Construct alterations for retaining wall new porch entrance and paving at west side of existing one-family. Within a quarter mile, the city has issued 5 more permits since May 1. The nearest permit for a new building is 880 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Aug 25, 2026 | Alteration or repair | Construct alterations for retaining wall new porch entrance and paving at west side of existing one-family dwelling per plan. | $50,000 | [7124213-CN](https://nearbypermits.com/seattle/permit/7124213-CN/) | ## 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 | |---|---|---|---|---|---|---| | Jul 26, 2026 | [3316 Cascadia Ave S](https://nearbypermits.com/seattle/address/3316-cascadia-ave-s/) | 370 ft N | Addition | Construct addition and substantial alterations to existing one family dwelling per plan. | $400,000 | [7118758-CN](https://nearbypermits.com/seattle/permit/7118758-CN/) | | Jun 18, 2026 | [3610 Courtland Pl S](https://nearbypermits.com/seattle/address/3610-courtland-pl-s/) | 940 ft SW | New building | Construct west 4-unit townhouse building and occupy per plans. (Establish use as townhouses per Land Use Code. Construct two 2-unit townhouse buildings with an AADU for each unit. Reviews and processing for 2 construction records under 6882351-CN) | $663,362 | [6882351-CN](https://nearbypermits.com/seattle/permit/6882351-CN/) | | May 29, 2026 | [3608 Courtland Pl S](https://nearbypermits.com/seattle/address/3608-courtland-pl-s/) | 880 ft SW | New building | Construct east 4-unit apartment building and occupy per plans. (Establish use as apartments per Land Use Code. Construct two 4-unit apartment buildings. Reviews and processing for 2 construction records under 6882351-CN) | $622,763 | [6994705-CN](https://nearbypermits.com/seattle/permit/6994705-CN/) | ### Farther (1,000 ft to ¼ mi), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 11, 2026 | [3328 36th Ave S](https://nearbypermits.com/seattle/address/3328-36th-ave-s/) | 0.19 mi W | Alteration or repair | Construct interior alterations to add bathroom and bedroom to basement upper floor and rebuild stairs within existing single family residence subject to field inspection (STFI). | $125,000 | [7152040-CN](https://nearbypermits.com/seattle/permit/7152040-CN/) | | Jun 3, 2026 | [3301 York Rd S](https://nearbypermits.com/seattle/address/3301-york-rd-s/) | 0.24 mi W | Alteration or repair | Exterior repairs to mixed-use building subject to field inspection. | $9,000 | [7145286-CN](https://nearbypermits.com/seattle/permit/7145286-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 Cascadia Ave S with permits, nearest house number first: - [3316 Cascadia Ave S](https://nearbypermits.com/seattle/address/3316-cascadia-ave-s/): newest permit Jul 26, 2026 - [3105 Cascadia Ave S](https://nearbypermits.com/seattle/address/3105-cascadia-ave-s/): newest permit Jul 30, 2026 - [3838 Cascadia Ave S](https://nearbypermits.com/seattle/address/3838-cascadia-ave-s/): newest permit May 27, 2025 - [4512 Cascadia Ave S](https://nearbypermits.com/seattle/address/4512-cascadia-ave-s/): newest permit Jan 17, 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 06:46 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, 01:48 UTC. Map, the one permit at this address and 5 nearby: https://nearbypermits.com/seattle/address/3403-cascadia-ave-s/