# Building permits at 823 27th Ave, Seattle, WA New buildings permitted at five addresses within 950 ft since May 1, the largest $716,444. One permit on record here. The newest, Mar 6: Allow new detached accessory dwelling unit to existing single family use per land use code. Within a quarter mile, the city has issued 18 more permits since May 1. The nearest permit for a new building is 580 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Mar 6, 2026 | New building | Allow new detached accessory dwelling unit to existing single family use per land use code. Construct new one family dwelling per plan. | $257,847 | [7120281-CN](https://nearbypermits.com/seattle/permit/7120281-CN/) | ## Within ¼ mi since May 1, 2026 18 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 14 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [715 27th Ave](https://nearbypermits.com/seattle/address/715-27th-ave/) | 400 ft S | Demolition | Demolish existing detached accessory shed for single family residence subject to field inspection (STFI) | $3,000 | [7164020-DM](https://nearbypermits.com/seattle/permit/7164020-DM/) | | Sep 17, 2026 | [2808 E Columbia St](https://nearbypermits.com/seattle/address/2808-e-columbia-st/) | 590 ft E | Alteration or repair | Allow two attached dwelling units per the land use code. Construct a two-family dwelling maintaining an existing dwelling (demolition of back of house under this permit) per plans | $452,308 | [7112161-CN](https://nearbypermits.com/seattle/permit/7112161-CN/) | | Sep 1, 2026 | [1119 A 27th Ave](https://nearbypermits.com/seattle/address/1119-a-27th-ave/) | 900 ft N | New building | Construct two-family dwelling per plan. (Establish use as single family residence with attached and detached accessory dwelling units per land use code. Construct as one- and two-family dwellings; review process for two records under 6965188-CN.) | $567,409 | [6965188-CN](https://nearbypermits.com/seattle/permit/6965188-CN/) | | Aug 31, 2026 | [1119 C 27th Ave](https://nearbypermits.com/seattle/address/1119-c-27th-ave/) | 900 ft N | New building | Construct one-family dwelling per plan. (Establish use as single family residence with attached and detached accessory dwelling units per land use code. Construct one- and two-family dwellings; review and process for two records under 6965188-CN.) | $142,539 | [6976643-CN](https://nearbypermits.com/seattle/permit/6976643-CN/) | | Aug 21, 2026 | [551 28th Ave](https://nearbypermits.com/seattle/address/551-28th-ave/) | 890 ft SE | Alteration or repair | Construct alterations in multifamily building in Unit 2 to create a bedroom per plan. | $10,000 | [7147597-CN](https://nearbypermits.com/seattle/permit/7147597-CN/) | | Aug 5, 2026 | [710 26th Ave](https://nearbypermits.com/seattle/address/710-26th-ave/) | 350 ft S | Demolition | Demolition east small residential building per plans | Not listed | [7142309-DM](https://nearbypermits.com/seattle/permit/7142309-DM/) | | Aug 5, 2026 | [712 26th Ave](https://nearbypermits.com/seattle/address/712-26th-ave/) | 380 ft SW | Demolition | Demolish existing northwest apartment building per plan. | $20,000 | [7140537-DM](https://nearbypermits.com/seattle/permit/7140537-DM/) | | Aug 5, 2026 | [940 26th Ave](https://nearbypermits.com/seattle/address/940-26th-ave/) | 590 ft N | Demolition | Demolish existing one family dwelling per plan. | $800,000 | [7121900-DM](https://nearbypermits.com/seattle/permit/7121900-DM/) | | Aug 3, 2026 | [940 B 26th Ave](https://nearbypermits.com/seattle/address/940-b-26th-ave/) | 580 ft N | New building | Construct SE one family dwelling (SFR D) per plan. (Establish use as housing for attached and detached dwelling units per land use code. Construct (1) two family dwelling and (2) one family dwellings per plan. Review and processing for 3 records under 7121899-CN) | $411,681 | [7134241-CN](https://nearbypermits.com/seattle/permit/7134241-CN/) | | Aug 3, 2026 | [940 A 26th Ave](https://nearbypermits.com/seattle/address/940-a-26th-ave/) | 600 ft N | New building | Construct NE one family dwelling (SFR C) per plan. (Establish use as housing for attached and detached dwelling units per land use code. Construct (1) two family dwelling and (2) one family dwellings per plan. Review and processing for 3 records under 7121899-CN) | $411,681 | [7134240-CN](https://nearbypermits.com/seattle/permit/7134240-CN/) | | Aug 3, 2026 | [942 A 26th Ave](https://nearbypermits.com/seattle/address/942-a-26th-ave/) | 590 ft N | New building | Construct West two family dwelling (SFR A/B) per plan. (Establish use as housing for attached and detached dwelling units per land use code. Construct (1) two family dwelling and (2) one family dwellings per plan. Review and processing for 3 records under 7121899-CN) | $716,444 | [7121899-CN](https://nearbypermits.com/seattle/permit/7121899-CN/) | | Jul 21, 2026 | [930 26th Ave](https://nearbypermits.com/seattle/address/930-26th-ave/) | 490 ft N | Alteration or repair | Construct alterations to existing one family dwelling per plan. | $60,000 | [7132552-CN](https://nearbypermits.com/seattle/permit/7132552-CN/) | | Jul 9, 2026 | [2614 E Spring St](https://nearbypermits.com/seattle/address/2614-e-spring-st/) | 760 ft N | Alteration or repair | Replace (12) windows in a like for like sizing manner no structural modifications to be made subject to field inspection STFI. | $27,102 | [7151306-CN](https://nearbypermits.com/seattle/permit/7151306-CN/) | | May 18, 2026 | [2801 E Columbia St](https://nearbypermits.com/seattle/address/2801-e-columbia-st/) | 570 ft SE | Addition | Construct additions and alterations to a one-family dwelling per plan. | $185,000 | [7134889-CN](https://nearbypermits.com/seattle/permit/7134889-CN/) | ### Farther (1,000 ft to ¼ mi), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 30, 2026 | [2723 E Union St](https://nearbypermits.com/seattle/address/2723-e-union-st/) | 0.22 mi N | Alteration or repair | Repair and replace in kind damage from vehicle impact to mixed-use building storefront at Level 1 East facade subject to field inspection (STFI) | $40,000 | [7164652-CN](https://nearbypermits.com/seattle/permit/7164652-CN/) | | Sep 15, 2026 | [762 30th Ave](https://nearbypermits.com/seattle/address/762-30th-ave/) | 0.22 mi E | Alteration or repair | Alterations to basement in a one-dwelling unit subject to field inspection. | $120,000 | [7162411-CN](https://nearbypermits.com/seattle/permit/7162411-CN/) | | Jul 14, 2026 | [526 29th Ave](https://nearbypermits.com/seattle/address/526-29th-ave/) | 0.24 mi SE | Fence, wall or deck | Remove failed retaining wall and replace with stepped retaining walls subject to field inspection. | $15,400 | [7142463-CN](https://nearbypermits.com/seattle/permit/7142463-CN/) | | May 4, 2026 | [2700 E Union St](https://nearbypermits.com/seattle/address/2700-e-union-st/) | 0.24 mi N | Alteration or repair | This is a stfi permit application for work to repair the smoke damaged main level including the ceiling and floor assembly. All interior work. | $6,000 | [7136193-CN](https://nearbypermits.com/seattle/permit/7136193-CN/) | ## More on this street Other addresses on 27th Ave with permits, nearest house number first: - [829 27th Ave](https://nearbypermits.com/seattle/address/829-27th-ave/): newest permit Jan 27, 2025 - [801 27th Ave](https://nearbypermits.com/seattle/address/801-27th-ave/): newest permit Dec 9, 2025 - [903 27th Ave](https://nearbypermits.com/seattle/address/903-27th-ave/): newest permit Dec 10, 2024 - [715 27th Ave](https://nearbypermits.com/seattle/address/715-27th-ave/): newest permit Sep 29, 2026 - [933 27th Ave](https://nearbypermits.com/seattle/address/933-27th-ave/): newest permit May 13, 2025 - [706 27th Ave](https://nearbypermits.com/seattle/address/706-27th-ave/): newest permit Apr 23, 2025 - [1103 27th Ave](https://nearbypermits.com/seattle/address/1103-27th-ave/): newest permit Jun 11, 2025 - [1107 27th Ave](https://nearbypermits.com/seattle/address/1107-27th-ave/): newest permit Apr 30, 2025 - [1108 27th Ave](https://nearbypermits.com/seattle/address/1108-27th-ave/): newest permit Mar 16, 2026 - [1115 27th Ave](https://nearbypermits.com/seattle/address/1115-27th-ave/): newest permit Feb 13, 2025 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-07 19:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 18 nearby: https://nearbypermits.com/seattle/address/823-27th-ave/