# Building permits at 721 15th Ave, Seattle, WA 721 15th Ave: demolition permitted May 5, 2025, a new building Aug 12, 2025. Two permits on record here. The newest, Aug 12, 2025: Construct east duplex. Within a quarter mile, the city has issued 9 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Aug 12, 2025 | New building | Construct east duplex per plans (Establish use as townhouses (multifamily residential) per the land use code. Construct a townhouse building and a two-family dwelling per plans. Reviews and processing for two -CN's under 7045943) | $555,248 | [7054921-CN](https://nearbypermits.com/seattle/permit/7054921-CN/) | | May 5, 2025 | Demolition | Demolish existing one family dwelling per plan. | $1,875,000 | [7045944-DM](https://nearbypermits.com/seattle/permit/7045944-DM/) | ## 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), 6 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [832 14th Ave](https://nearbypermits.com/seattle/address/832-14th-ave/) | 580 ft N | 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/) | | Sep 10, 2026 | [1501 E Spring St](https://nearbypermits.com/seattle/address/1501-e-spring-st/) | 980 ft N | 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/) | | Aug 24, 2026 | [1314 E Marion St](https://nearbypermits.com/seattle/address/1314-e-marion-st/) | 780 ft NW | 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/) | 780 ft SW | Alteration or repair | 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 6, 2026 | [822 15th Ave](https://nearbypermits.com/seattle/address/822-15th-ave/) | 480 ft NE | 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/) | | May 15, 2026 | [810 12th Ave](https://nearbypermits.com/seattle/address/810-12th-ave/) | 840 ft W | 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/) | ### Farther (1,000 ft to ¼ mi), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jun 23, 2026 | [800 18th Ave](https://nearbypermits.com/seattle/address/800-18th-ave/) | 0.23 mi E | Alteration or repair | Construct alterations for building stabilization (Immaculate Conception Church) at east end of ground floor in existing institutional building per plan. | $175,000 | [7138441-CN](https://nearbypermits.com/seattle/permit/7138441-CN/) | | Jun 1, 2026 | [1103 16th Ave](https://nearbypermits.com/seattle/address/1103-16th-ave/) | 0.22 mi N | Alteration or repair | Remove existing and construct new accessory building and sitework for existing institution (Spring Manor Community House) per plan. | $320,575 | [7107268-CN](https://nearbypermits.com/seattle/permit/7107268-CN/) | | May 28, 2026 | [1103 16th Ave](https://nearbypermits.com/seattle/address/1103-16th-ave/) | 0.22 mi N | Demolition | Demolish existing accessory structure subject to field inspection (STFI). | $175,000 | [7107269-DM](https://nearbypermits.com/seattle/permit/7107269-DM/) | --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-05 12:35 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/721-15th-ave/