# Building permits at 1806 23rd Ave, Seattle, WA The biggest project within a quarter mile since May 1: a $1.3M demolition at 1708 25th Ave, permitted Sep 30. Four permits on record here. The newest, Aug 22, 2025: Change use from apartment to congregate residence per land use code. Within a quarter mile, the city has issued 8 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Aug 22, 2025 | Alteration or repair | Change use from apartment to congregate residence per land use code. Construct alterations to convert boarding house to congregate living facility occupy per plan | $50,000 | [7060774-CN](https://nearbypermits.com/seattle/permit/7060774-CN/) | | Sep 20, 2021 | Demolition | Screen for possible STFIRepair of water damage to roof sheathing below membrane roof. Demolition and replacement of roofing sheathing and roof joists as needed and exposed during repair. All assemblies to be replaced in kind as permitted previously under permit number 6189533-cn | $50,000 | [6859383-RR](https://nearbypermits.com/seattle/permit/6859383-RR/) | | Oct 23, 2012 | New building | Establish use as apartments and construct boarding house structure and occupy per plan. | $2,421,055 | [6189533-CN](https://nearbypermits.com/seattle/permit/6189533-CN/) | | Oct 18, 2012 | Demolition | Demolish existing structures per plan | Not listed | [6326156-DM](https://nearbypermits.com/seattle/permit/6326156-DM/) | ## Within ¼ mi since May 1, 2026 8 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 30, 2026 | [1708 25th Ave](https://nearbypermits.com/seattle/address/1708-25th-ave/) | 730 ft SE | Demolition | Demolish existing multifamily building per plan. | $1,330,000 | [7091168-DM](https://nearbypermits.com/seattle/permit/7091168-DM/) | | Sep 15, 2026 | [127 D 22nd Ave E](https://nearbypermits.com/seattle/address/127-d-22nd-ave-e/) | 630 ft NW | Fence, wall or deck | Construct alterations to existing two family dwelling at deck per plan. | $10,000 | [7156141-CN](https://nearbypermits.com/seattle/permit/7156141-CN/) | | Sep 4, 2026 | [128 A 24th Ave E](https://nearbypermits.com/seattle/address/128-a-24th-ave-e/) | 770 ft NE | Roofing | Install new 60-mil Duro-Last PVC roofing system over existing roof including 3/8" fanfold insulation parapet and penetration flashing new vents and drain sleeves edge metal and associated waterproofing details. | $32,560 | [7161409-RR](https://nearbypermits.com/seattle/permit/7161409-RR/) | | Sep 3, 2026 | [1637 23rd Ave](https://nearbypermits.com/seattle/address/1637-23rd-ave/) | 570 ft S | Alteration or repair | Construct foundation repair with helical-piles to portions of an existing single-family residence per plan. | $44,000 | [7150587-CN](https://nearbypermits.com/seattle/permit/7150587-CN/) | | Aug 12, 2026 | [118 A 21st Ave E](https://nearbypermits.com/seattle/address/118-a-21st-ave-e/) | 700 ft NW | Fence, wall or deck | Replace two existing deck support posts with new concrete footings and new pressure-treated support posts subject to field inspection STFI. | $7,000 | [7157597-CN](https://nearbypermits.com/seattle/permit/7157597-CN/) | | Jul 22, 2026 | [109 23rd Ave E](https://nearbypermits.com/seattle/address/109-23rd-ave-e/) | 670 ft N | Roofing | Reroof: Recover of existing asphalt bur roof roof with a Carlisle 60mil TPO single ply roofing system. Includes new edge metal and new flashings at penetrations all details per manufacturer recommendation's for install and for a 20 yr warrantable system. | $158,590 | [7154360-RR](https://nearbypermits.com/seattle/permit/7154360-RR/) | ### Farther (1,000 ft to ¼ mi), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 21, 2026 | [202 25th Ave E](https://nearbypermits.com/seattle/address/202-25th-ave-e/) | 0.21 mi NE | Alteration or repair | Replace one door like for like subject to field inspection STFI. | $5,977 | [7163022-CN](https://nearbypermits.com/seattle/permit/7163022-CN/) | | Jun 23, 2026 | [229 24th Ave E](https://nearbypermits.com/seattle/address/229-24th-ave-e/) | 0.22 mi N | Alteration or repair | Construct alterations to dormer at upper level of one-family dwelling subject to field inspection (STFI) | $10,000 | [7149349-CN](https://nearbypermits.com/seattle/permit/7149349-CN/) | ## More on this street Other addresses on 23rd Ave with permits, nearest house number first: - [1637 23rd Ave](https://nearbypermits.com/seattle/address/1637-23rd-ave/): newest permit Sep 3, 2026 - [1100 23rd Ave](https://nearbypermits.com/seattle/address/1100-23rd-ave/): newest permit Dec 3, 2025 - [711 23rd Ave](https://nearbypermits.com/seattle/address/711-23rd-ave/): newest permit Mar 28, 2025 - [707 23rd Ave](https://nearbypermits.com/seattle/address/707-23rd-ave/): newest permit Mar 21, 2025 - [701 23rd Ave](https://nearbypermits.com/seattle/address/701-23rd-ave/): newest permit Mar 28, 2025 - [500 23rd Ave](https://nearbypermits.com/seattle/address/500-23rd-ave/): newest permit Mar 10, 2026 - [400 23rd Ave](https://nearbypermits.com/seattle/address/400-23rd-ave/): newest permit Apr 28, 2026 - [214 23rd Ave](https://nearbypermits.com/seattle/address/214-23rd-ave/): newest permit Nov 1, 2024 - [155 23rd Ave](https://nearbypermits.com/seattle/address/155-23rd-ave/): newest permit May 29, 2025 - [109 23rd Ave](https://nearbypermits.com/seattle/address/109-23rd-ave/): newest permit Mar 11, 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 21:53 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 4 permits at this address and 8 nearby: https://nearbypermits.com/seattle/address/1806-23rd-ave/