# Building permits at 1525 9th Ave, Seattle, WA The biggest project within a quarter mile since May 1: a $4.8M alteration or repair at 600 University St, permitted Jul 8. Five permits on record here. The newest, Oct 7, 2025: Construct tenant improvements to portions of 40th Floor of a office tenant for an event space occupy. Within a quarter mile, the city has issued 44 more permits (42 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 7, 2025 | Alteration or repair | Construct tenant improvements to portions of 40th Floor of a office tenant for an event space occupy per plans | $500,000 | [7087631-CN](https://nearbypermits.com/seattle/permit/7087631-CN/) | | Jan 9, 2024 | Alteration or repair | Construct alterations to existing mixed use building on the 40th floor for common area per plan | $165,000 | [6965580-CN](https://nearbypermits.com/seattle/permit/6965580-CN/) | | Dec 2, 2022 | Alteration or repair | Alterations to enlarge existing fitness center of 6th floor of existing mixed-use building per plans. | $195,300 | [6903049-CN](https://nearbypermits.com/seattle/permit/6903049-CN/) | | Jun 16, 2022 | Alteration or repair | Construct non-structural interior alterations for package room at level 6 of mixed-use apartment building [PREMIER ON PINE] per plan. | $59,100 | [6902372-CN](https://nearbypermits.com/seattle/permit/6902372-CN/) | | Oct 25, 2021 | Alteration or repair | Construct alterations to entrance level lobby and adjacent common areas per plan | $500,000 | [6830998-CN](https://nearbypermits.com/seattle/permit/6830998-CN/) | ## Within ¼ mi since May 1, 2026 44 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 28 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 2, 2026 | [520 Pike St](https://nearbypermits.com/seattle/address/520-pike-st/) | 980 ft SW | Alteration or repair | Construct tenant improvements for office tenant [BMO] at level 13 of commercial office building [520 PIKE BUILDING] subject to field inspection [STFI]. | $484,176 | [7156309-CN](https://nearbypermits.com/seattle/permit/7156309-CN/) | | Sep 30, 2026 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 440 ft S | Alteration or repair | Construct blanket permit tenant improvements to the Consulate General of Japan in Seattle on the tenth floor of existing commercial building per plan. | $18,000 | [7160064-BK](https://nearbypermits.com/seattle/permit/7160064-BK/) | | Sep 23, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 990 ft S | Alteration or repair | Construct blanket permit tenant improvements to Snell & Wilmer on the 37th floor of existing commercial building per plan. | $64,000 | [7163264-BK](https://nearbypermits.com/seattle/permit/7163264-BK/) | | Sep 23, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 990 ft S | Alteration or repair | Construct blanket permit tenant improvements to Snell & Wilmer on the 37th floor of existing commercial building per plan. | $206,000 | [7163258-BK](https://nearbypermits.com/seattle/permit/7163258-BK/) | | Sep 21, 2026 | [906 Pine St](https://nearbypermits.com/seattle/address/906-pine-st/) | 380 ft N | Alteration or repair | Construct initial tenant improvement to existing commercial building ( Seattle convention Center) at level 2 occupy per plan. | $491,670 | [7153872-CN](https://nearbypermits.com/seattle/permit/7153872-CN/) | | Sep 15, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 990 ft S | Alteration or repair | Construct blanket permit tenant improvements to Avenue5 Residential on the 50th floor of existing commercial building per plan. | $1,107,000 | [7160931-BK](https://nearbypermits.com/seattle/permit/7160931-BK/) | | Sep 8, 2026 | [903 Union St](https://nearbypermits.com/seattle/address/903-union-st/) | 810 ft SE | Roofing | Remove old modified bitumen roof and replae with new Certainteed SBS roof membrane system. Specification :SBS-C-2-T | $449,966 | [7161721-RR](https://nearbypermits.com/seattle/permit/7161721-RR/) | | Sep 2, 2026 | [520 Pike St](https://nearbypermits.com/seattle/address/520-pike-st/) | 980 ft SW | Alteration or repair | Construct blanket permit tenant improvements to Wilson Elser LLP on the 28th floor of existing commercial building per plan. | $1,302,840 | [7154993-BK](https://nearbypermits.com/seattle/permit/7154993-BK/) | | Aug 26, 2026 | [700 Olive Way](https://nearbypermits.com/seattle/address/700-olive-way/) | 840 ft W | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the seventh floor of existing commercial building per plan. | $2,800,000 | [7152450-BK](https://nearbypermits.com/seattle/permit/7152450-BK/) | | Aug 18, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Construct tenant improvements to existing commercial building (Pacific Place) at 2nd level suite (suite 210) per plan. | $80,000 | [7147050-CN](https://nearbypermits.com/seattle/permit/7147050-CN/) | | Aug 17, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Construct tenant improvement to existing restaurant space (Suite 132) at Pacific Place per plan. | $40,000 | [7147765-CN](https://nearbypermits.com/seattle/permit/7147765-CN/) | | Aug 14, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Construct tenant improvements to existing commercial office space per STFI | $35,000 | [7145179-CN](https://nearbypermits.com/seattle/permit/7145179-CN/) | | Aug 13, 2026 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 440 ft S | Alteration or repair | Construct blanket permit tenant improvements to Oppenheimer & Co. Inc. on the 21st floor of existing commercial building per plan. | $280,000 | [7145954-BK](https://nearbypermits.com/seattle/permit/7145954-BK/) | | Aug 13, 2026 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 440 ft S | Alteration or repair | Construct blanket permit tenant improvements to Oppenheimer & Co. Inc. on the 21st floor of existing commercial building per plan. | $45,000 | [7145949-BK](https://nearbypermits.com/seattle/permit/7145949-BK/) | | Aug 10, 2026 | [601 Pine St](https://nearbypermits.com/seattle/address/601-pine-st/) | 800 ft SW | Alteration or repair | Tenant improvements at levels 1-3 of existing commercial building per plan. Mechanical included. | $3,000,000 | [7122723-CN](https://nearbypermits.com/seattle/permit/7122723-CN/) | | Aug 7, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 990 ft S | Alteration or repair | Construct blanket permit tenant improvements to Kilpatrick Townsend on the 41st floor of existing commercial building per plan. | $1,535,000 | [7154032-BK](https://nearbypermits.com/seattle/permit/7154032-BK/) | | Aug 7, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 990 ft S | Alteration or repair | Construct blanket permit tenant improvements to JLL on the 28th floor of existing commercial building per plan. | $977,000 | [7151762-BK](https://nearbypermits.com/seattle/permit/7151762-BK/) | | Aug 7, 2026 | [701 Pike St](https://nearbypermits.com/seattle/address/701-pike-st/) | 620 ft S | Alteration or repair | Construct blanket permit tenant improvements to Lee and Hayes on the 16th floor of existing commercial building per plan. | $375,000 | [7135931-BK](https://nearbypermits.com/seattle/permit/7135931-BK/) | | Aug 4, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 990 ft S | Alteration or repair | Construct blanket permit tenant improvements to Washington Holdings on the 41st floor of existing commercial building per plan. | $183,000 | [7151763-BK](https://nearbypermits.com/seattle/permit/7151763-BK/) | | Jul 30, 2026 | [700 Olive Way](https://nearbypermits.com/seattle/address/700-olive-way/) | 840 ft W | Alteration or repair | Construct blanket permit tenant improvements to RC Hedreen on the 16th floor of existing commercial building per plan. | $395,000 | [7152446-BK](https://nearbypermits.com/seattle/permit/7152446-BK/) | | Jul 27, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 990 ft S | Alteration or repair | Construct blanket permit tenant improvements to Puget Sound Clean Air Agency on parking level B of existing commercial building per plan. | $15,000 | [7154701-BK](https://nearbypermits.com/seattle/permit/7154701-BK/) | | Jul 23, 2026 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 440 ft S | Alteration or repair | Construct blanket permit tenant improvements to Mutual of Enumclaw on the 11th floor of existing commercial building per plan. | $100,000 | [7145725-BK](https://nearbypermits.com/seattle/permit/7145725-BK/) | | Jun 9, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Construct tenant improvement to existing retail space subject to field inspection STFI. | $55,000 | [7141436-CN](https://nearbypermits.com/seattle/permit/7141436-CN/) | | Jun 9, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Construct tenant improvements in existing mall in Suite 120A per plan. | $80,000 | [7138281-CN](https://nearbypermits.com/seattle/permit/7138281-CN/) | | Jun 2, 2026 | [520 Pike St](https://nearbypermits.com/seattle/address/520-pike-st/) | 980 ft SW | Alteration or repair | Blanket permit tenant improvements for JACKSON LEWIS in Suite 2300 of existing commercial building per plan. | $350,000 | [7142741-BK](https://nearbypermits.com/seattle/permit/7142741-BK/) | | May 19, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Construct interior alterations for "In the Mind of a Serial Killer" temporary exhibit within existing downtown assembly / gallery space per plan. | $250,000 | [7136805-CN](https://nearbypermits.com/seattle/permit/7136805-CN/) | | May 5, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Tenant improvements at level 2 to existing retail space (suite 235) for future temporary FIFA-related retail per plan. | $60,000 | [7132779-CN](https://nearbypermits.com/seattle/permit/7132779-CN/) | | May 5, 2026 | [600 Pine St](https://nearbypermits.com/seattle/address/600-pine-st/) | 810 ft W | Alteration or repair | Interior tenant improvements for storage space (no current tenant) at level 4 (suite 401) of commercial building occupy per plan. | $80,000 | [7131761-CN](https://nearbypermits.com/seattle/permit/7131761-CN/) | ### Farther (1,000 ft to ¼ mi), 16 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 2, 2026 | [1918 8th Ave](https://nearbypermits.com/seattle/address/1918-8th-ave/) | 0.24 mi NW | Alteration or repair | Construct interior non-structural alterations to office storage room on 27th level of existing commercial building subject to field inspection (STFI). | $35,000 | [7165267-CN](https://nearbypermits.com/seattle/permit/7165267-CN/) | | Sep 14, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Construct blanket permit tenant improvements to Puget Sound Clean Air Agency on the seventh floor of existing commercial building per plan. | $312,000 | [7154693-BK](https://nearbypermits.com/seattle/permit/7154693-BK/) | | Sep 14, 2026 | [1420 5th Ave](https://nearbypermits.com/seattle/address/1420-5th-ave/) | 0.22 mi SW | Alteration or repair | Construct alterations in commercial building for assembly spaces on levels 27 & 28 occupy per plan. | $192,628 | [7153895-CN](https://nearbypermits.com/seattle/permit/7153895-CN/) | | Sep 14, 2026 | [1420 5th Ave](https://nearbypermits.com/seattle/address/1420-5th-ave/) | 0.22 mi SW | Alteration or repair | Construct blanket permit tenant improvements to PwC on the 27th and 28th floors of existing commercial building per plan. | $1,950,000 | [7152276-BK](https://nearbypermits.com/seattle/permit/7152276-BK/) | | Aug 21, 2026 | [500 Pine St](https://nearbypermits.com/seattle/address/500-pine-st/) | 0.21 mi W | Alteration or repair | Tenant improvement for office building (Nordstrom's Corporate) at northwest entry on ground level of existing commercial building per plan. | $60,000 | [7124736-CN](https://nearbypermits.com/seattle/permit/7124736-CN/) | | Aug 12, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Construct blanket permit tenant improvements to Consor Engineers on the third floor of existing commercial building per plan. | $49,000 | [7156370-BK](https://nearbypermits.com/seattle/permit/7156370-BK/) | | Aug 7, 2026 | [500 Pike St](https://nearbypermits.com/seattle/address/500-pike-st/) | 0.22 mi SW | Alteration or repair | Allow gallery use in portion of existing landmark building per the land use code. Construct alterations to portions of commercial building for an art gallery occupy per plans | $209,811 | [7146314-CN](https://nearbypermits.com/seattle/permit/7146314-CN/) | | Aug 4, 2026 | [500 Pine St](https://nearbypermits.com/seattle/address/500-pine-st/) | 0.21 mi W | Alteration or repair | Construct tenant improvement to existing commercial building (Nordstrom tenant) at metro floor per plan. Mechanical included | $252,000 | [7144210-CN](https://nearbypermits.com/seattle/permit/7144210-CN/) | | Jul 8, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Construct blanket permit tenant improvements to Arnold & Porter Seattle on the 35th and 36th floors of existing commercial building per plan. | $4,752,065 | [7143639-BK](https://nearbypermits.com/seattle/permit/7143639-BK/) | | Jul 1, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Tenant Improvements for office (Buchalter) at 31st floor of existing Office Building per plan. | $181,191 | [7118453-CN](https://nearbypermits.com/seattle/permit/7118453-CN/) | | Jun 16, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Construct alterations to eliminate and close off portion of convenience stair connecting L35 - 36 maintaining connection L36 - 37 per plans | $45,000 | [7132124-CN](https://nearbypermits.com/seattle/permit/7132124-CN/) | | Jun 9, 2026 | [900 University St](https://nearbypermits.com/seattle/address/900-university-st/) | 0.20 mi SE | Alteration or repair | Construct interior alterations in residential building on level 1 for a cafe (Horizon House) occupy per plan. | $300,000 | [6962853-CN](https://nearbypermits.com/seattle/permit/6962853-CN/) | | May 28, 2026 | [415 Pine St](https://nearbypermits.com/seattle/address/415-pine-st/) | 0.25 mi SW | Alteration or repair | Construct alterations to commercial space subject to field inspection STFI. | $102,000 | [7139646-CN](https://nearbypermits.com/seattle/permit/7139646-CN/) | | May 27, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Blanket permit tenant improvements for BUCHALTER on Floor 31 of existing commercial building per plan. | $1,187,236 | [7142990-BK](https://nearbypermits.com/seattle/permit/7142990-BK/) | | May 20, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Blanket permit tenant improvements for BEVERIDGE AND DIAMOND LAW on Floor 16 of existing commercial building per plan. | $52,000 | [7143350-BK](https://nearbypermits.com/seattle/permit/7143350-BK/) | | May 5, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.24 mi S | Alteration or repair | Construct blanket permit tenant improvements to the Washington State Court of Appeals on the 26th floor of existing commercial building per plan. | $122,000 | [7138542-BK](https://nearbypermits.com/seattle/permit/7138542-BK/) | ## More on this street Other addresses on 9th Ave with permits, nearest house number first: - [1800 9th Ave](https://nearbypermits.com/seattle/address/1800-9th-ave/): newest permit Mar 25, 2026 - [1900 9th Ave](https://nearbypermits.com/seattle/address/1900-9th-ave/): newest permit Dec 17, 2025 - [725 9th Ave](https://nearbypermits.com/seattle/address/725-9th-ave/): newest permit Sep 14, 2026 - [325 9th Ave](https://nearbypermits.com/seattle/address/325-9th-ave/): newest permit Sep 9, 2026 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-07 13:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 5 permits at this address and 44 nearby: https://nearbypermits.com/seattle/address/1525-9th-ave/