# Building permits at 431 NW 100th Pl, Seattle, WA

9741 8th Ave NW: demolition permitted Jul 7, a new building Aug 18.

Nine permits on record here. The newest, Dec 16, 2024: Construct alterations to minor telecommunications facility (AT&T) on rooftop of existing mixed use building. Within a quarter mile, the city has issued 12 more permits since May 1. Seven are for new buildings, the nearest 840 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Dec 16, 2024 | Alteration or repair | Construct alterations to minor telecommunications facility (AT&T) on rooftop of existing mixed use building per plan. | $25,000 | [7051644-CN](https://nearbypermits.com/seattle/permit/7051644-CN/) |
| May 25, 2023 | Alteration or repair | Construct tenant improvements to existing multifamily building at levels 1-4 units 108 208 308 and 408 per plan. | $5,000 | [6938481-CN](https://nearbypermits.com/seattle/permit/6938481-CN/) |
| Jan 12, 2023 | Alteration or repair | Construct alterations to existing mixed-use building at the roof top for minor telecommunications antenna facility (AT&T) per plan. | $15,000 | [6891439-CN](https://nearbypermits.com/seattle/permit/6891439-CN/) |
| Sep 24, 2020 | Alteration or repair | Alterations to existing telecommunication facility on rooftop and in parking garage per plans. | $30,000 | [6788920-CN](https://nearbypermits.com/seattle/permit/6788920-CN/) |
| Jan 9, 2019 | Alteration or repair | Construct alterations to an existing minor communication utility (AT&T) on the rooftop of existing structure per plans. | $15,000 | [6645762-CN](https://nearbypermits.com/seattle/permit/6645762-CN/) |
| Dec 26, 2018 | Alteration or repair | Change of use of retail tenant space to residential use and construct alterations for tenant common amenity spaces occupy per plan. | $104,130 | [6658451-CN](https://nearbypermits.com/seattle/permit/6658451-CN/) |
| Feb 26, 2018 | Alteration or repair | Construct alterations at the lower level and upper level parking to convert parking to storage in an existing mixed use building occupy per plan. | $5,000 | [6632538-CN](https://nearbypermits.com/seattle/permit/6632538-CN/) |
| May 27, 2015 | Alteration or repair | Construct alterations to existing commercial building to modify rooftop minor communications facility per plan. | $50,000 | [6448021-CN](https://nearbypermits.com/seattle/permit/6448021-CN/) |
| May 9, 2012 | Alteration or repair | Alter existing telecommunications facility on roof of existing building per plan. | $10,000 | [6277601-CN](https://nearbypermits.com/seattle/permit/6277601-CN/) |

## Within ¼ mi since May 1, 2026

12 permits in the circle. From our copy of the city's data (last 24 months).

### This block (250 to 1,000 ft), 5 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | [127 NW 103rd St](https://nearbypermits.com/seattle/address/127-nw-103rd-st/) | 840 ft E | New building | Allow housing for one new detached dwelling unit per land use code. Existing detached dwelling to remain. Construct as one-family dwelling per plan. | $266,786 | [7127483-CN](https://nearbypermits.com/seattle/permit/7127483-CN/) |
| Aug 26, 2026 | [10012 8th Ave NW](https://nearbypermits.com/seattle/address/10012-8th-ave-nw/) | 740 ft SW | Alteration or repair | Construct alterations convert carport to enclosed garage attached to existing one-family dwelling subject to field inspection (STFI) | $20,000 | [7154907-CN](https://nearbypermits.com/seattle/permit/7154907-CN/) |
| Aug 18, 2026 | [9741 8th Ave NW](https://nearbypermits.com/seattle/address/9741-8th-ave-nw/) | 990 ft SW | New building | Construct new south two-family dwelling per plan. (Establish use as single-family residence and townhouse per land use code. Construct (2) new one-family dwellings and (2) new two-family dwellings per plan. Review and processing for four records under 7050091) | $508,116 | [7125891-CN](https://nearbypermits.com/seattle/permit/7125891-CN/) |
| Aug 17, 2026 | [9743 8th Ave NW](https://nearbypermits.com/seattle/address/9743-8th-ave-nw/) | 960 ft SW | New building | Construct new north two-family dwelling per plan. (Establish use as single-family residence and townhouse per land use code. Construct (2) new one-family dwellings and (2) new two-family dwellings per plan. Review and processing for four records under 7050091) | $534,839 | [7050091-CN](https://nearbypermits.com/seattle/permit/7050091-CN/) |
| Jul 7, 2026 | [9741 8th Ave NW](https://nearbypermits.com/seattle/address/9741-8th-ave-nw/) | 990 ft SW | Demolition | Demolish one-family dwelling and associated accessory structures subject to field inspection [STFI]. | $1,000,000 | [7050092-DM](https://nearbypermits.com/seattle/permit/7050092-DM/) |

### Farther (1,000 ft to ¼ mi), 7 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | [9747 1st Ave NW](https://nearbypermits.com/seattle/address/9747-1st-ave-nw/) | 0.24 mi SE | Alteration or repair | Construct alterations to existing one-family dwelling per plan. | $14,400 | [7146079-CN](https://nearbypermits.com/seattle/permit/7146079-CN/) |
| Sep 12, 2026 | [9552 4th Ave NW](https://nearbypermits.com/seattle/address/9552-4th-ave-nw/) | 0.23 mi S | Demolition | Demolish west one-family dwelling per plan | $600,000 | [7115583-DM](https://nearbypermits.com/seattle/permit/7115583-DM/) |
| Sep 11, 2026 | [9552 4th Ave NW](https://nearbypermits.com/seattle/address/9552-4th-ave-nw/) | 0.23 mi S | Demolition | Demolish existing East structure per plan. | Not listed | [7158083-DM](https://nearbypermits.com/seattle/permit/7158083-DM/) |
| Sep 1, 2026 | [9552 4th Ave NW](https://nearbypermits.com/seattle/address/9552-4th-ave-nw/) | 0.23 mi S | New building | Construct east one-family dwellings per plan. (Establish use as housing for two detached dwelling units per land use code. Construct (2) one-family dwellings per plan. Review and processing for two records under 7115582-CN) | $255,845 | [7134431-CN](https://nearbypermits.com/seattle/permit/7134431-CN/) |
| Sep 1, 2026 | [9552 4th Ave NW](https://nearbypermits.com/seattle/address/9552-4th-ave-nw/) | 0.23 mi S | New building | Construct west one-family dwellings per plan. (Establish use as housing for two detached dwelling units per land use code. Construct (2) one-family dwellings per plan. Review and processing for two records under 7115582-CN) | $560,649 | [7115582-CN](https://nearbypermits.com/seattle/permit/7115582-CN/) |
| Aug 18, 2026 | [805 NW 100th St](https://nearbypermits.com/seattle/address/805-nw-100th-st/) | 0.20 mi SW | New building | Construct new south one-family dwelling (SFR2) per plan. (Establish use as single-family residence and townhouse per land use code. Construct (2) new one-family dwellings and (2) new two-family dwellings per plan. Review and processing for four records under 7050091) | $276,827 | [7125893-CN](https://nearbypermits.com/seattle/permit/7125893-CN/) |
| Aug 18, 2026 | [807 NW 100th St](https://nearbypermits.com/seattle/address/807-nw-100th-st/) | 0.19 mi SW | New building | Construct new north one-family dwelling (SFR1) per plan. (Establish use as single-family residence and townhouse per land use code. Construct (2) new one-family dwellings and (2) new two-family dwellings per plan. Review and processing for four records under 7050091) | $271,611 | [7125892-CN](https://nearbypermits.com/seattle/permit/7125892-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 |
|---|---|---|---|---|---|---|---|
| In review |  | 9741 8th Ave NW | 970 ft SW | Land Use Application to subdivide one development site into six unit lots | [3044458-LU](https://services.seattle.gov/portal/customize/LinkToRecord.aspx?altId=3044458-LU) | "Corrections Required" | 2026-08-24 |
| In review |  | 10063 8th Ave NW | 860 ft W | Land Use Application to adjust the boundary between two parcels of land | [3044314-LU](https://services.seattle.gov/portal/customize/LinkToRecord.aspx?altId=3044314-LU) | "Reviews In Process" | 2026-08-20 |

## More on this street

Other addresses on NW 100th Pl with permits, nearest house number first:

- [700 NW 100th Pl](https://nearbypermits.com/seattle/address/700-nw-100th-pl/): newest permit Oct 21, 2024

---
Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-18 09:37 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 18, 05:18 UTC.

Map, all 9 permits at this address and 12 nearby: https://nearbypermits.com/seattle/address/431-nw-100th-pl/
