# Building permits at 909 4th Ave, Seattle, WA The biggest project within a quarter mile since May 1: a $3.5M alteration or repair at 600 4th Ave, permitted Jun 12. Two permits on record here. The newest, Oct 20, 2025: Construct alterations to add exterior security gates for mixed-use community services building [YMCA]. Within a quarter mile, the city has issued 34 more permits since May 1. One is for a new building, 740 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 20, 2025 | Alteration or repair | Construct alterations to add exterior security gates for mixed-use community services building [YMCA] per plan. | $15,000 | [7053198-CN](https://nearbypermits.com/seattle/permit/7053198-CN/) | | Dec 31, 2015 | Alteration or repair | Alterations to level G to add library space in existing commercial building per plan. | $100,000 | [6486133-CN](https://nearbypermits.com/seattle/permit/6486133-CN/) | ## Within ¼ mi since May 1, 2026 34 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 17, 2026 | [925 4th Ave](https://nearbypermits.com/seattle/address/925-4th-ave/) | 100 ft W | Alteration or repair | Construct interior alterations to existing offices spaces subject to field inspection STFI. | $45,000 | [7158336-CN](https://nearbypermits.com/seattle/permit/7158336-CN/) | | Jul 28, 2026 | [925 4th Ave](https://nearbypermits.com/seattle/address/925-4th-ave/) | 100 ft W | Alteration or repair | Construct blanket permit tenant improvements to Eastdil Secured LLC on the 23rd floor of existing commercial building per plan. | $350,000 | [7150067-BK](https://nearbypermits.com/seattle/permit/7150067-BK/) | | Jul 15, 2026 | [925 4th Ave](https://nearbypermits.com/seattle/address/925-4th-ave/) | 100 ft W | Alteration or repair | Construct exterior alterations to existing commercial building per plan. | $43,605 | [7118357-CN](https://nearbypermits.com/seattle/permit/7118357-CN/) | ### This block (250 to 1,000 ft), 17 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [711 2nd Ave](https://nearbypermits.com/seattle/address/711-2nd-ave/) | 830 ft S | Alteration or repair | Blanket tenant improvements for MARKETY READY in Suite 1025 of existing commercial building per plan. | $700,000 | [7140221-BK](https://nearbypermits.com/seattle/permit/7140221-BK/) | | Sep 29, 2026 | [1000 4th Ave](https://nearbypermits.com/seattle/address/1000-4th-ave/) | 380 ft N | Alteration or repair | Construct alterations to SPL Central Library at L1 and L2 per plan. | $250,000 | [7028993-CN](https://nearbypermits.com/seattle/permit/7028993-CN/) | | Sep 18, 2026 | [920 5th Ave](https://nearbypermits.com/seattle/address/920-5th-ave/) | 510 ft NE | Alteration or repair | Construct tenant improvement to existing commercial building at level 19 tenant space (Stripe) occupy per plan. | $887,852 | [7151731-CN](https://nearbypermits.com/seattle/permit/7151731-CN/) | | Sep 8, 2026 | [720 3rd Ave](https://nearbypermits.com/seattle/address/720-3rd-ave/) | 510 ft S | Addition | Construct addition at level 01 for existing mixed use building and occupy per plan. | $378,000 | [7115943-CN](https://nearbypermits.com/seattle/permit/7115943-CN/) | | Sep 3, 2026 | [700 5th Ave](https://nearbypermits.com/seattle/address/700-5th-ave/) | 740 ft E | New building | Establish a standard plan for a one-family dwelling (no construction) | $266,935 | [7142326-CN](https://nearbypermits.com/seattle/permit/7142326-CN/) | | Aug 19, 2026 | [1015 2nd Ave](https://nearbypermits.com/seattle/address/1015-2nd-ave/) | 760 ft W | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the eighth and ninth floors of existing commercial building per plan. | $180,000 | [7155637-BK](https://nearbypermits.com/seattle/permit/7155637-BK/) | | Aug 17, 2026 | [800 5th Ave](https://nearbypermits.com/seattle/address/800-5th-ave/) | 630 ft E | Alteration or repair | Tenant Improvements for new gender neutral restrooms (Morgan Stanley) at 26th and 28th floors of existing office building per plan. Mechanical included. | $249,681 | [7114443-CN](https://nearbypermits.com/seattle/permit/7114443-CN/) | | Aug 10, 2026 | [505 Madison St](https://nearbypermits.com/seattle/address/505-madison-st/) | 510 ft NE | Alteration or repair | Construct blanket permit tenant improvements to Booking.com on the eighth floor of existing commercial building per plan. | $500,000 | [7134943-BK](https://nearbypermits.com/seattle/permit/7134943-BK/) | | Aug 10, 2026 | [600 5th Ave](https://nearbypermits.com/seattle/address/600-5th-ave/) | 1,000 ft SE | Alteration or repair | Construct alterations to existing office building (Seattle Justice Center) subject to field inspection. | $301,725 | [7055021-CN](https://nearbypermits.com/seattle/permit/7055021-CN/) | | Aug 4, 2026 | [610 5th Ave](https://nearbypermits.com/seattle/address/610-5th-ave/) | 1,000 ft SE | Alteration or repair | Construct alterations to install worker fall protection for institutional building [SEATTLE JUSTICE CENTER] per plan. | $579,600 | [7136816-CN](https://nearbypermits.com/seattle/permit/7136816-CN/) | | Jul 29, 2026 | [1000 2nd Ave](https://nearbypermits.com/seattle/address/1000-2nd-ave/) | 580 ft W | Alteration or repair | Construct tenant improvement to existing office space subject to field inspection STFI. | $206,356 | [7155259-CN](https://nearbypermits.com/seattle/permit/7155259-CN/) | | Jul 23, 2026 | [1215 4th Ave](https://nearbypermits.com/seattle/address/1215-4th-ave/) | 940 ft NW | Alteration or repair | Construct alterations to ground level lobby of existing office building per plan. | $754,000 | [7112847-CN](https://nearbypermits.com/seattle/permit/7112847-CN/) | | Jun 22, 2026 | [818 Post Ave](https://nearbypermits.com/seattle/address/818-post-ave/) | 980 ft SW | Alteration or repair | Construct alterations for small cafe space in existing wholesale coffee retail store [The Good Coffee Company] occupy per plan | $10,000 | [7138777-CN](https://nearbypermits.com/seattle/permit/7138777-CN/) | | Jun 12, 2026 | [600 4th Ave](https://nearbypermits.com/seattle/address/600-4th-ave/) | 980 ft SE | Alteration or repair | Construct exterior alterations to City Hall per plan. | $3,500,000 | [7140475-CN](https://nearbypermits.com/seattle/permit/7140475-CN/) | | Jun 12, 2026 | [700 5th Ave](https://nearbypermits.com/seattle/address/700-5th-ave/) | 740 ft E | Alteration or repair | Construct blanket permit tenant improvements to Seattle City Light on floors: 28 30 32 33 34 35 36 of existing commercial building per plan. | $2,300,000 | [7087259-BK](https://nearbypermits.com/seattle/permit/7087259-BK/) | | Jun 3, 2026 | [701 5th Ave](https://nearbypermits.com/seattle/address/701-5th-ave/) | 610 ft SE | Alteration or repair | Construct interior alterations to existing tenant space subject to field inspection STFI. | $22,500 | [7145753-CN](https://nearbypermits.com/seattle/permit/7145753-CN/) | | May 29, 2026 | [920 5th Ave](https://nearbypermits.com/seattle/address/920-5th-ave/) | 510 ft NE | Alteration or repair | Remove connection stairs and infill floor between 25th & 26th floors of existing commercial building (Madison Centre) per plan. | $350,000 | [7129996-CN](https://nearbypermits.com/seattle/permit/7129996-CN/) | ### Farther (1,000 ft to ¼ mi), 14 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 2, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 0.21 mi NW | Alteration or repair | Construct interior non-structural alterations to tenant space at 27th Floor of existing commercial building (Qaltrics Tower at 2+U) subject to field inspection (STFI) | $120,000 | [7165263-CN](https://nearbypermits.com/seattle/permit/7165263-CN/) | | Sep 29, 2026 | [506 2nd Ave](https://nearbypermits.com/seattle/address/506-2nd-ave/) | 0.25 mi S | Alteration or repair | Construct tenant improvements in a commercial building on floor 3 Suite 320 subject to field inspection (STFI) | $75,000 | [7164755-CN](https://nearbypermits.com/seattle/permit/7164755-CN/) | | Sep 23, 2026 | [1103 1st Ave](https://nearbypermits.com/seattle/address/1103-1st-ave/) | 0.21 mi W | Alteration or repair | Construct tenant improvements for restaurant on ground floor of mixed-use building per plan | $50,000 | [7135199-CN](https://nearbypermits.com/seattle/permit/7135199-CN/) | | Sep 16, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 0.21 mi NW | Alteration or repair | Construct tenant improvement to level 14 of commercial office space subject to field inspection STFI. | $70,000 | [7162802-CN](https://nearbypermits.com/seattle/permit/7162802-CN/) | | Sep 8, 2026 | [1201 3rd Ave](https://nearbypermits.com/seattle/address/1201-3rd-ave/) | 0.20 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Ogletree Deakins on the 51st floor of existing commercial building per plan. | $1,012,678 | [7158473-BK](https://nearbypermits.com/seattle/permit/7158473-BK/) | | Aug 18, 2026 | [615 2nd Ave](https://nearbypermits.com/seattle/address/615-2nd-ave/) | 0.20 mi S | Alteration or repair | Construct tenant improvements for office space at level 7 of existing commercial building per plan | $547,017 | [7128757-CN](https://nearbypermits.com/seattle/permit/7128757-CN/) | | Aug 14, 2026 | [1301 4th Ave](https://nearbypermits.com/seattle/address/1301-4th-ave/) | 0.23 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Klinedinst Law on the 13th floor of existing commercial building per plan. | $39,490 | [7154263-BK](https://nearbypermits.com/seattle/permit/7154263-BK/) | | Aug 4, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 0.21 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Laird Norton on the 14th floor of existing commercial building per plan. | $410,815 | [7153138-BK](https://nearbypermits.com/seattle/permit/7153138-BK/) | | Aug 4, 2026 | [1201 3rd Ave](https://nearbypermits.com/seattle/address/1201-3rd-ave/) | 0.20 mi NW | Alteration or repair | Construct interior alterations for partial floor office tenant space (Egon Zehnder) at Floor 49 of existing commercial building per plan. | $585,000 | [7139485-CN](https://nearbypermits.com/seattle/permit/7139485-CN/) | | Jul 30, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 0.21 mi NW | Alteration or repair | Construct tenant improvements in commercial building on Level 30 (Anduril) occupy per plan. | $100,000 | [7144588-CN](https://nearbypermits.com/seattle/permit/7144588-CN/) | | Jul 28, 2026 | [1201 3rd Ave](https://nearbypermits.com/seattle/address/1201-3rd-ave/) | 0.20 mi NW | Alteration or repair | Construct blanket permit tenant improvements to O'Hagan Meyer on the eighth floor of existing commercial building per plan. | $180,000 | [7148047-BK](https://nearbypermits.com/seattle/permit/7148047-BK/) | | Jun 23, 2026 | [1109 2nd Ave](https://nearbypermits.com/seattle/address/1109-2nd-ave/) | 0.19 mi W | Alteration or repair | Blanket permit tenant improvements for SONOS in Suite 1500 of existing commercial building per plan. | $203,000 | [7142419-BK](https://nearbypermits.com/seattle/permit/7142419-BK/) | | Jun 2, 2026 | [1301 4th Ave](https://nearbypermits.com/seattle/address/1301-4th-ave/) | 0.23 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Capstone Accounting & Tax on the 14th floor of existing commercial building per plan. | $50,000 | [7134466-BK](https://nearbypermits.com/seattle/permit/7134466-BK/) | | Jun 2, 2026 | [500 4th Ave](https://nearbypermits.com/seattle/address/500-4th-ave/) | 0.24 mi SE | Alteration or repair | Construct minor alterations to telecommunications facility (AT&T) on rooftop of existing commercial building per plan | $30,000 | [7075015-CN](https://nearbypermits.com/seattle/permit/7075015-CN/) | ## More on this street Other addresses on 4th Ave with permits, nearest house number first: - [900 4th Ave](https://nearbypermits.com/seattle/address/900-4th-ave/): newest permit Nov 26, 2025 - [919 4th Ave](https://nearbypermits.com/seattle/address/919-4th-ave/): newest permit Aug 18, 2025 - [925 4th Ave](https://nearbypermits.com/seattle/address/925-4th-ave/): newest permit Aug 17, 2026 - [1000 4th Ave](https://nearbypermits.com/seattle/address/1000-4th-ave/): newest permit Sep 29, 2026 - [1001 4th Ave](https://nearbypermits.com/seattle/address/1001-4th-ave/): newest permit Aug 21, 2025 - [1101 4th Ave](https://nearbypermits.com/seattle/address/1101-4th-ave/): newest permit Nov 21, 2024 - [1125 4th Ave](https://nearbypermits.com/seattle/address/1125-4th-ave/): newest permit Mar 17, 2025 - [1201 4th Ave](https://nearbypermits.com/seattle/address/1201-4th-ave/): newest permit Sep 4, 2025 - [1215 4th Ave](https://nearbypermits.com/seattle/address/1215-4th-ave/): newest permit Jul 23, 2026 - [600 4th Ave](https://nearbypermits.com/seattle/address/600-4th-ave/): newest permit Jun 12, 2026 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 23:04 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, both permits at this address and 34 nearby: https://nearbypermits.com/seattle/address/909-4th-ave/