# Building permits at 3585 Longwood Ave, Boulder, CO

Three permits on record here. The newest, Aug 8, 2025: Remodel + 463 sf addition to existing 1-story single family residence with a walk out basement and an. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Aug 8, 2025 | Addition | Remodel + 463 sf addition to existing 1-story single family residence with a walk out basement and an attached garage. Scope of work to include: ? 200 Sf expansion of lower level (art studio) ? 116 Sf expansion of main level (new primary bath). ? 147 Sf expansion of upper level which is currently lo | $250,000 | [BLD-SFD2025-00212](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00212/) |
| Oct 6, 2022 | Fence, wall or deck | Rosetta Block Outcrop Retaining Wall in backyard of residence | $150,000 | [FEN2022-00008](https://nearbypermits.com/boulder/permit/FEN2022-00008/) |
| Oct 6, 2022 | Alteration or repair | A partial remodel which includes a 353 sf kitchen renovation, a 23 sf powder room conversion on the main level, a 48 sf 3/4 bath conversion on the lower level, a 122 sf workshop conversion on the lower level, new hardwood flooring throughout main & lower levels, 594 sf replacement deck, & new/replac | $97,230 | [BLD-SFD2022-00287](https://nearbypermits.com/boulder/permit/BLD-SFD2022-00287/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

Other addresses on Longwood Ave with permits, nearest house number first:

- [3590 Longwood Ave](https://nearbypermits.com/boulder/address/3590-longwood-ave/): newest permit Jul 30, 2025
- [3605 Longwood Ave](https://nearbypermits.com/boulder/address/3605-longwood-ave/): newest permit Sep 2, 2026
- [3540 Longwood Ave](https://nearbypermits.com/boulder/address/3540-longwood-ave/): newest permit Sep 3, 2025
- [3475 Longwood Ave](https://nearbypermits.com/boulder/address/3475-longwood-ave/): newest permit Mar 12, 2025
- [3470 Longwood Ave](https://nearbypermits.com/boulder/address/3470-longwood-ave/): newest permit Feb 4, 2026
- [3715 Longwood Ave](https://nearbypermits.com/boulder/address/3715-longwood-ave/): newest permit Feb 13, 2026
- [3445 Longwood Ave](https://nearbypermits.com/boulder/address/3445-longwood-ave/): newest permit Jul 29, 2025
- [3440 Longwood Ave](https://nearbypermits.com/boulder/address/3440-longwood-ave/): newest permit Apr 21, 2025
- [3405 Longwood Ave](https://nearbypermits.com/boulder/address/3405-longwood-ave/): newest permit May 21, 2026
- [3400 Longwood Ave](https://nearbypermits.com/boulder/address/3400-longwood-ave/): newest permit Feb 13, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-18 07:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 3 permits at this address: https://nearbypermits.com/boulder/address/3585-longwood-ave/