# Building permits at 4512 Cascadia Ave S, Seattle, WA 4512 Cascadia Ave S: demolition permitted Dec 17, 2024, a new building Jan 17, 2025. Three permits on record here. The newest, Jan 17, 2025: Establish use as single family residence with attached accessory dwelling unit per land use code. Within a quarter mile, the city has issued 19 more permits since May 1. Eight are for new buildings, the nearest 860 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jan 17, 2025 | New building | Establish use as single family residence with attached accessory dwelling unit per land use code. Construct new two family dwelling existing first floor to remain per plan. | $343,180 | [7037657-CN](https://nearbypermits.com/seattle/permit/7037657-CN/) | | Dec 17, 2024 | Demolition | Demolish single-family residence per plan. Portions of existing foundation floor framing and wall framing to remain. | $100,000 | [7052231-DM](https://nearbypermits.com/seattle/permit/7052231-DM/) | | May 16, 2007 | Alteration or repair | Construct detached workshop accessory to existing single family dwelling per site plan and STFI. | $9,300 | [6139382-CN](https://nearbypermits.com/seattle/permit/6139382-CN/) | ## Within ¼ mi since May 1, 2026 19 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 10 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 1, 2026 | [3944 S Americus St](https://nearbypermits.com/seattle/address/3944-s-americus-st/) | 710 ft S | Alteration or repair | Construct alterations to condo unit #3944 in existing multifamily building per STFI | $75,000 | [7165343-CN](https://nearbypermits.com/seattle/permit/7165343-CN/) | | Oct 1, 2026 | [4500 39th Ave S](https://nearbypermits.com/seattle/address/4500-39th-ave-s/) | 320 ft W | Alteration or repair | Construct alterations to one family dwelling per plan | $20,408 | [7140456-CN](https://nearbypermits.com/seattle/permit/7140456-CN/) | | Sep 14, 2026 | [3939 S Americus St](https://nearbypermits.com/seattle/address/3939-s-americus-st/) | 880 ft S | Addition | Construct substantial alterations for second floor addition to existing one-family dwelling per plan. | $199,553 | [7149594-CN](https://nearbypermits.com/seattle/permit/7149594-CN/) | | Aug 14, 2026 | [3936 S Americus St](https://nearbypermits.com/seattle/address/3936-s-americus-st/) | 740 ft S | Addition | Construct alterations to existing one-family dwelling no additions per plan. | $230,000 | [7147304-CN](https://nearbypermits.com/seattle/permit/7147304-CN/) | | Aug 4, 2026 | [4163 39th Ave S](https://nearbypermits.com/seattle/address/4163-39th-ave-s/) | 860 ft NW | New building | Allow housing for one new detached dwelling unit per land use code. Existing detached dwelling to remain. Construct new one-family dwelling per plan. | $280,000 | [7104617-CN](https://nearbypermits.com/seattle/permit/7104617-CN/) | | Jun 15, 2026 | [4209 A 42nd Ave S](https://nearbypermits.com/seattle/address/4209-a-42nd-ave-s/) | 980 ft N | New building | Construct west two-family dwelling [NORTH DUPLEX] per plan. (Establish use as townhouse and one-family dwelling per Land Use code. Construct (1) two-family dwelling and (1) one-family dwelling. Review and process for two record numbers under 7130636-CN) | $421,166 | [7133801-CN](https://nearbypermits.com/seattle/permit/7133801-CN/) | | Jun 15, 2026 | [4207 42nd Ave S](https://nearbypermits.com/seattle/address/4207-42nd-ave-s/) | 990 ft N | New building | Construct east one-family dwelling per plan. (Establish use as townhouse and one-family dwelling per Land Use code. Construct (1) two-family dwelling and (1) one-family dwelling. Review and process for two record numbers under 7130636-CN) | $223,005 | [7130636-CN](https://nearbypermits.com/seattle/permit/7130636-CN/) | | Jun 15, 2026 | [4213 42nd Ave S](https://nearbypermits.com/seattle/address/4213-42nd-ave-s/) | 960 ft N | New building | Construct new one-family dwelling (S SFR) per plan. (Establish use as two duplexes and two single family residences per land use code. Construct two new two-family dwellings and two new one-family dwellings per plan. Review and processing for two records under 7105821-CN) | $221,369 | [7118694-CN](https://nearbypermits.com/seattle/permit/7118694-CN/) | | Jun 5, 2026 | [4211 A 42nd Ave S](https://nearbypermits.com/seattle/address/4211-a-42nd-ave-s/) | 950 ft N | New building | Construct new two-family dwelling (S Duplex) per plan. (Establish use as one duplex and one single family residence per land use code. Construct one new two-family dwelling and one new one-family dwelling per plan. Review and processing for two records under 7105821-CN) | $415,514 | [7105821-CN](https://nearbypermits.com/seattle/permit/7105821-CN/) | | May 18, 2026 | [4417 38th Ave S](https://nearbypermits.com/seattle/address/4417-38th-ave-s/) | 820 ft NW | Alteration or repair | Replace 1 window like for like in one family dwelling subject to field inspection STFI. | $2,350 | [7143540-CN](https://nearbypermits.com/seattle/permit/7143540-CN/) | ### Farther (1,000 ft to ¼ mi), 9 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [3717 A S Angeline St](https://nearbypermits.com/seattle/address/3717-a-s-angeline-st/) | 0.24 mi SW | Alteration or repair | Replace windows in existing openings in Unit A in multifamily building subject to field inspection (STFI) | $16,550 | [7164564-CN](https://nearbypermits.com/seattle/permit/7164564-CN/) | | Aug 21, 2026 | [3700 S Genesee St](https://nearbypermits.com/seattle/address/3700-s-genesee-st/) | 0.21 mi NW | New building | Establish use as child care center per land use code. Construct new Institutional building occupy per plan. Mechanical included. | $2,847,200 | [7067548-CN](https://nearbypermits.com/seattle/permit/7067548-CN/) | | Aug 6, 2026 | [3818 S Angeline St](https://nearbypermits.com/seattle/address/3818-s-angeline-st/) | 0.20 mi SW | Alteration or repair | Construct initial tenant improvements in multi-use building on Level 3 (Church of Hope) occupy per plan. | $400,000 | [7040524-CN](https://nearbypermits.com/seattle/permit/7040524-CN/) | | Jul 28, 2026 | [3700 S Genesee St](https://nearbypermits.com/seattle/address/3700-s-genesee-st/) | 0.21 mi NW | Demolition | Demolish commercial building per plan | $10,000,000 | [7067549-DM](https://nearbypermits.com/seattle/permit/7067549-DM/) | | Jun 1, 2026 | [3710 S Angeline St](https://nearbypermits.com/seattle/address/3710-s-angeline-st/) | 0.25 mi SW | Alteration or repair | Initial tenant improvement for a gymnasium (The Little Gym) on the first floor of a mixed-use building occupy per plan. Change of use from general retail sales and services to indoor sports and recreation per land use code. Mechanical included. | $438,254 | [7128233-CN](https://nearbypermits.com/seattle/permit/7128233-CN/) | | May 4, 2026 | [3944 S Angeline St](https://nearbypermits.com/seattle/address/3944-s-angeline-st/) | 0.20 mi S | New building | Construct new northeast one-family dwelling (Unit 1) per plan. (Establish use as two (2) single family residences per land use code. Construct two (2) new one-family dwellings per plan. Review and processing for two records under 7100976. Existing dwelling to remain) | $258,164 | [7102950-CN](https://nearbypermits.com/seattle/permit/7102950-CN/) | | May 4, 2026 | [3944 S Angeline St](https://nearbypermits.com/seattle/address/3944-s-angeline-st/) | 0.20 mi S | Demolition | Demolish one-family dwelling per plan. Includes removal of accessory structure (garage). | $400,000 | [7100977-DM](https://nearbypermits.com/seattle/permit/7100977-DM/) | | May 4, 2026 | [3944 S Angeline St](https://nearbypermits.com/seattle/address/3944-s-angeline-st/) | 0.20 mi S | New building | Construct new northwest one-family dwelling (Unit 1) per plan. (Establish use as two (2) detached dwelling units per land use code. Construct two (2) new detached accessory dwelling units per plan. Review and processing for two records under 7100976. Existing dwelling to remain) | $258,164 | [7100976-CN](https://nearbypermits.com/seattle/permit/7100976-CN/) | | May 1, 2026 | [4724 Rainier Ave S](https://nearbypermits.com/seattle/address/4724-rainier-ave-s/) | 0.23 mi SW | Alteration or repair | Change of use from general retail sales and services to restaurant per land use code. Construct tenant improvement for a new coffee shop at main floor in Suite D of existing mixed use building occupy per plan. | $250,000 | [7124952-CN](https://nearbypermits.com/seattle/permit/7124952-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 | | 3913 S Americus St | 870 ft S | Land Use application to adjust the boundary between two parcels of land | [3043888-LU](https://services.seattle.gov/portal/customize/LinkToRecord.aspx?altId=3043888-LU) | "Corrections Required" | 2026-04-13 | | | | 3934 S Angeline St | 0.20 mi S | Land Use Application to subdivide one development site into two unit lots | [3043887-LU](https://services.seattle.gov/portal/customize/LinkToRecord.aspx?altId=3043887-LU) | "Completed" | 2026-02-12 | | | | 3930 S Angeline St | 980 ft S | Land Use Application to subdivide one development site into two unit lots | [3043883-LU](https://services.seattle.gov/portal/customize/LinkToRecord.aspx?altId=3043883-LU) | "Completed" | 2026-02-11 | ## More on this street Other addresses on Cascadia Ave S with permits, nearest house number first: - [3838 Cascadia Ave S](https://nearbypermits.com/seattle/address/3838-cascadia-ave-s/): newest permit May 27, 2025 - [3403 Cascadia Ave S](https://nearbypermits.com/seattle/address/3403-cascadia-ave-s/): newest permit Aug 25, 2026 - [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 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-13 10:58 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, 08:17 UTC. Map, all 3 permits at this address and 19 nearby: https://nearbypermits.com/seattle/address/4512-cascadia-ave-s/