# Building permits at 9506 18th Ave NW, Seattle, WA 9604 Mary Ave NW: demolition permitted Jun 24, a new building Jul 16. One permit on record here. The newest, Nov 14, 2025: Construct interior alterations to SFR subject to field inspection STFI. Within a quarter mile, the city has issued 8 more permits since May 1. Four are for new buildings, the nearest 990 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Nov 14, 2025 | Alteration or repair | Construct interior alterations to SFR subject to field inspection STFI. | $80,000 | [7115262-CN](https://nearbypermits.com/seattle/permit/7115262-CN/) | ## 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), 7 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 8, 2026 | [1903 NW 95th St](https://nearbypermits.com/seattle/address/1903-nw-95th-st/) | 560 ft W | Addition | Construct alterations and addition for one-family dwelling subject to field inspection [STFI]. | $85,000 | [7166473-CN](https://nearbypermits.com/seattle/permit/7166473-CN/) | | Aug 24, 2026 | [1747 NW 97th St](https://nearbypermits.com/seattle/address/1747-nw-97th-st/) | 580 ft NW | Roofing | We are removing the current composition shingles. We will then install new 1/2" cdx plywood to entire roof deck. We will then install new underlayment and new composition shingles. This is a like for like install with no structural changes. | $20,800 | [7159561-RR](https://nearbypermits.com/seattle/permit/7159561-RR/) | | Jul 16, 2026 | [9604 Mary Ave NW](https://nearbypermits.com/seattle/address/9604-mary-ave-nw/) | 990 ft E | New building | Construct SE one-family dwelling BLDG4 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-family dwellings and (1) two-family dwelling per plan. Review and processing for four records under 7116067-CN) | $477,039 | [7131748-CN](https://nearbypermits.com/seattle/permit/7131748-CN/) | | Jul 16, 2026 | [9602 Mary Ave NW](https://nearbypermits.com/seattle/address/9602-mary-ave-nw/) | 990 ft E | New building | Construct SW one-family dwelling BLDG3 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-family dwellings and (1) two-family dwelling per plan. Review and processing for four records under 7116067-CN) | $477,039 | [7131747-CN](https://nearbypermits.com/seattle/permit/7131747-CN/) | | Jul 16, 2026 | [9608 Mary Ave NW](https://nearbypermits.com/seattle/address/9608-mary-ave-nw/) | 1,000 ft E | New building | Construct NW one-family dwelling BLDG1 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-family dwellings and (1) two-family dwelling per plan. Review and processing for four records under 7116067-CN) | $473,219 | [7116067-CN](https://nearbypermits.com/seattle/permit/7116067-CN/) | | Jul 6, 2026 | [9505 18th Pl NW](https://nearbypermits.com/seattle/address/9505-18th-pl-nw/) | 390 ft W | Alteration or repair | Interior remodel to existing dwelling unit Subject To Field inspection. | $75,000 | [7151252-CN](https://nearbypermits.com/seattle/permit/7151252-CN/) | | Jun 24, 2026 | [9604 Mary Ave NW](https://nearbypermits.com/seattle/address/9604-mary-ave-nw/) | 990 ft E | Demolition | Demolish existing one-family dwelling per plan. | $1,800,000 | [7116068-DM](https://nearbypermits.com/seattle/permit/7116068-DM/) | ### Farther (1,000 ft to ¼ mi), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 16, 2026 | [9606 Mary Ave NW](https://nearbypermits.com/seattle/address/9606-mary-ave-nw/) | 0.20 mi E | New building | Construct NE two-family dwelling BLDG2 per plan. (Establish use as single-family residence with or without attached accessory dwelling units per land use code. Construct (3) one-family dwellings and (1) two-family dwelling per plan. Review and processing for four records under 7116067-CN) | $460,570 | [7131746-CN](https://nearbypermits.com/seattle/permit/7131746-CN/) | ## Zoning requests nearby Hearings are public: you can comment or attend. Dates can move; check the city's page before you go. | Status | Hearing | Address | Distance | Request | Case | City's words | Filed | |---|---|---|---|---|---|---|---| | | | 9227 Mary Ave NW | 940 ft SE | Land Use Application to subdivide one development site into four unit lots | [3043435-LU](https://services.seattle.gov/portal/customize/LinkToRecord.aspx?altId=3043435-LU) | "Completed" | 2025-10-14 | ## More on this street Other addresses on 18th Ave NW with permits, nearest house number first: - [8733 18th Ave NW](https://nearbypermits.com/seattle/address/8733-18th-ave-nw/): newest permit Jun 5, 2026 - [8348 18th Ave NW](https://nearbypermits.com/seattle/address/8348-18th-ave-nw/): newest permit Jan 20, 2026 - [8339 18th Ave NW](https://nearbypermits.com/seattle/address/8339-18th-ave-nw/): newest permit Jun 12, 2026 - [8023 18th Ave NW](https://nearbypermits.com/seattle/address/8023-18th-ave-nw/): newest permit Aug 4, 2026 - [7725 18th Ave NW](https://nearbypermits.com/seattle/address/7725-18th-ave-nw/): newest permit Feb 12, 2026 - [7534 18th Ave NW](https://nearbypermits.com/seattle/address/7534-18th-ave-nw/): newest permit May 20, 2026 - [7506 18th Ave NW](https://nearbypermits.com/seattle/address/7506-18th-ave-nw/): newest permit Dec 26, 2024 - [6730 18th Ave NW](https://nearbypermits.com/seattle/address/6730-18th-ave-nw/): newest permit Feb 17, 2026 - [6540 18th Ave NW](https://nearbypermits.com/seattle/address/6540-18th-ave-nw/): newest permit Aug 19, 2026 - [6524 18th Ave NW](https://nearbypermits.com/seattle/address/6524-18th-ave-nw/): newest permit May 7, 2026 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-10 12:31 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Zoning requests come from the Seattle land use permits (https://cos-data.seattle.gov/d/ht3q-kdvx), City of Seattle. We read it Oct 10, 08:48 UTC. Map, the one permit at this address and 8 nearby: https://nearbypermits.com/seattle/address/9506-18th-ave-nw/