# Building permits at 3303 25th Ave S, Seattle, WA

The biggest project within a quarter mile since May 1: a $70M new building at 2929 27th Ave S, permitted Oct 8.

One permit on record here. The newest, Oct 24, 2025: Allow attached accessory dwelling (AADU) to existing single-family residence per land use code. Within a quarter mile, the city has issued 5 more permits since May 1. Two are for new buildings, the nearest 560 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 24, 2025 | Alteration or repair | Allow attached accessory dwelling (AADU) to existing single-family residence per land use code. Construct alterations to convert one-family dwelling to two-family dwelling per plan | $75,000 | [7093398-CN](https://nearbypermits.com/seattle/permit/7093398-CN/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 3 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | [3318 23rd Ave S](https://nearbypermits.com/seattle/address/3318-23rd-ave-s/) | 560 ft W | New building | Allow housing for two (2) new stacked dwelling units per land use code. Existing detached dwelling unit to remain. Construct a two-family dwelling maintaining portions of foundation and structure per plans. | $620,345 | [7031013-CN](https://nearbypermits.com/seattle/permit/7031013-CN/) |
| Aug 20, 2026 | [2618 S Delappe Pl](https://nearbypermits.com/seattle/address/2618-s-delappe-pl/) | 620 ft E | Addition | Construct substantial alterations to repair and replace fire-damaged portions of one-family dwelling per plan. Additions to upper level included. | $300,000 | [7133802-CN](https://nearbypermits.com/seattle/permit/7133802-CN/) |
| Jun 15, 2026 | [3421 25th Ave S](https://nearbypermits.com/seattle/address/3421-25th-ave-s/) | 550 ft S | Alteration or repair | Repairs to foundation of existing one-family dwelling per plan. | $40,500 | [7132820-CN](https://nearbypermits.com/seattle/permit/7132820-CN/) |

### Farther (1,000 ft to ¼ mi), 2 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | [2929 27th Ave S](https://nearbypermits.com/seattle/address/2929-27th-ave-s/) | 0.24 mi NE | New building | Construct new mixed-use building occupy per plan. Mechanical Included. | $69,876,675 | [7046346-CN](https://nearbypermits.com/seattle/permit/7046346-CN/) |
| Jun 11, 2026 | [2901 27th Ave S](https://nearbypermits.com/seattle/address/2901-27th-ave-s/) | 0.25 mi N | Alteration or repair | Construct alterations to remove western portion of building in existing industrial building per plan. | $620,000 | [7107062-CN](https://nearbypermits.com/seattle/permit/7107062-CN/) |

## Zoning requests nearby

There are no zoning requests on file within ¼ mi. Seattle's feed was last read Oct 12.

## More on this street

Other addresses on 25th Ave S with permits, nearest house number first:

- [3309 25th Ave S](https://nearbypermits.com/seattle/address/3309-25th-ave-s/): newest permit Jan 21, 2026
- [3421 25th Ave S](https://nearbypermits.com/seattle/address/3421-25th-ave-s/): newest permit Jun 15, 2026
- [4055 25th Ave S](https://nearbypermits.com/seattle/address/4055-25th-ave-s/): newest permit Aug 12, 2025
- [1900 25th Ave S](https://nearbypermits.com/seattle/address/1900-25th-ave-s/): newest permit Oct 2, 2024
- [1534 25th Ave S](https://nearbypermits.com/seattle/address/1534-25th-ave-s/): newest permit Feb 9, 2026
- [5453 25th Ave S](https://nearbypermits.com/seattle/address/5453-25th-ave-s/): newest permit Mar 30, 2026
- [412 25th Ave S](https://nearbypermits.com/seattle/address/412-25th-ave-s/): newest permit May 4, 2026
- [117 25th Ave S](https://nearbypermits.com/seattle/address/117-25th-ave-s/): newest permit Mar 10, 2025

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-12 11:18 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 12, 06:17 UTC.

Map, the one permit at this address and 5 nearby: https://nearbypermits.com/seattle/address/3303-25th-ave-s/