# Building permits at 810 12th Ave, Seattle, WA Two permits on record here. The newest, May 15: Construct non-structural alterations to convert offices to residential units and storage room at ground floor. Within a quarter mile, the city has issued 9 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | May 15, 2026 | Alteration or repair | Construct non-structural alterations to convert offices to residential units and storage room at ground floor level of mixed-use apartment building [RIANNA APARTMENTS] occupy per plan. | $750,000 | [7059927-CN](https://nearbypermits.com/seattle/permit/7059927-CN/) | | Mar 5, 2025 | Roofing | Re-cover the roof with 60mil TPO to manufacturer specs | $52,359 | [7073691-RR](https://nearbypermits.com/seattle/permit/7073691-RR/) | ## 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), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [832 14th Ave](https://nearbypermits.com/seattle/address/832-14th-ave/) | 700 ft NE | Alteration or repair | Construct fire damage repair to two-family dwelling subject to field inspection (STFI) | $75,000 | [7164750-CN](https://nearbypermits.com/seattle/permit/7164750-CN/) | | Aug 24, 2026 | [1314 E Marion St](https://nearbypermits.com/seattle/address/1314-e-marion-st/) | 590 ft NE | Alteration or repair | Construct substantial alterations and additions to one family dwelling per plan. | $150,000 | [7135494-CN](https://nearbypermits.com/seattle/permit/7135494-CN/) | | Jul 27, 2026 | [550 13th Ave](https://nearbypermits.com/seattle/address/550-13th-ave/) | 980 ft S | Other | Erect temporary tent at Seattle University Soccer Field for periodic use for up to 6 months from [first event August 8th] per plans. All tent components are provided and assembled by professional crew. Owner responsible for structural integrity of tent. | $2,500 | [7149033-CN](https://nearbypermits.com/seattle/permit/7149033-CN/) | | Jul 2, 2026 | [1111 13th Ave](https://nearbypermits.com/seattle/address/1111-13th-ave/) | 1,000 ft N | Roofing | TPO recover of existing roof no tear off | $180,000 | [7151158-RR](https://nearbypermits.com/seattle/permit/7151158-RR/) | ### Farther (1,000 ft to ¼ mi), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 10, 2026 | [1501 E Spring St](https://nearbypermits.com/seattle/address/1501-e-spring-st/) | 0.22 mi NE | Alteration or repair | Construct fire damage repair to basement of Unit 5 of existing multifamily building. Repairs will be to repair and replace in kind subject to field inspection. | $12,000 | [7162048-CN](https://nearbypermits.com/seattle/permit/7162048-CN/) | | Jul 16, 2026 | [1020 E Jefferson St](https://nearbypermits.com/seattle/address/1020-e-jefferson-st/) | 0.21 mi SW | Alteration or repair | Construct tenant improvements to existing office space per STFI | $111,000 | [7151540-CN](https://nearbypermits.com/seattle/permit/7151540-CN/) | | Jul 6, 2026 | [822 15th Ave](https://nearbypermits.com/seattle/address/822-15th-ave/) | 0.19 mi E | Alteration or repair | Construct alterations and additions to west townhouse unit in existing townhouse building per plan. | $175,000 | [7130476-CN](https://nearbypermits.com/seattle/permit/7130476-CN/) | | Jun 4, 2026 | [600 Broadway](https://nearbypermits.com/seattle/address/600-broadway/) | 0.21 mi SW | Roofing | PVC Reroof:Tear off existing roof system and install new PVC roofing system insulation flashings edge metal and related roofing components. Replace deteriorated sheathing as required.No structural modifications framing changes or deck alterations are included in this scope. No changes to the buildin | $513,515 | [7146401-RR](https://nearbypermits.com/seattle/permit/7146401-RR/) | | Jun 3, 2026 | [700 Broadway](https://nearbypermits.com/seattle/address/700-broadway/) | 0.20 mi SW | Alteration or repair | Construct soft demolition L-1 & -3 demising walls and interior alterations for (2) separate tenant spaces on L-3 of a commercial medical building per plans. (Additional building permits required for occupancy of these spaces.) | $184,000 | [7135171-CN](https://nearbypermits.com/seattle/permit/7135171-CN/) | ## More on this street Other addresses on 12th Ave with permits, nearest house number first: - [901 12th Ave](https://nearbypermits.com/seattle/address/901-12th-ave/): newest permit Aug 28, 2025 - [450 12th Ave](https://nearbypermits.com/seattle/address/450-12th-ave/): newest permit Jun 25, 2026 - [1429 12th Ave](https://nearbypermits.com/seattle/address/1429-12th-ave/): newest permit Mar 11, 2025 - [157 12th Ave](https://nearbypermits.com/seattle/address/157-12th-ave/): newest permit Apr 3, 2025 - [121 12th Ave](https://nearbypermits.com/seattle/address/121-12th-ave/): newest permit Nov 17, 2025 - [104 12th Ave](https://nearbypermits.com/seattle/address/104-12th-ave/): newest permit Mar 9, 2026 - [1610 12th Ave](https://nearbypermits.com/seattle/address/1610-12th-ave/): newest permit Sep 3, 2025 - [1621 12th Ave](https://nearbypermits.com/seattle/address/1621-12th-ave/): newest permit Oct 31, 2025 - [1640 12th Ave](https://nearbypermits.com/seattle/address/1640-12th-ave/): newest permit Feb 9, 2026 - [1815 12th Ave](https://nearbypermits.com/seattle/address/1815-12th-ave/): newest permit Jun 2, 2025 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 20:42 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, both permits at this address and 9 nearby: https://nearbypermits.com/seattle/address/810-12th-ave/