# Building permits at 660 S 42nd St, Boulder, CO

One permit here in the last two years. The newest, Apr 24: Replace 1 window and 2 sliding glass patio doors in existing openings. 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 |
|---|---|---|---|---|
| Apr 24, 2026 | Alteration or repair | Replace 1 window and 2 sliding glass patio doors in existing openings | $7,880 | [BLD-SFD2026-00191](https://nearbypermits.com/boulder/permit/BLD-SFD2026-00191/) |

## 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 S 42nd St with permits, nearest house number first:

- [655 S 42nd St](https://nearbypermits.com/boulder/address/655-s-42nd-st/): newest permit Mar 20, 2025
- [645 S 42nd St](https://nearbypermits.com/boulder/address/645-s-42nd-st/): newest permit Jun 12, 2025
- [640 S 42nd St](https://nearbypermits.com/boulder/address/640-s-42nd-st/): newest permit Aug 5, 2026
- [620 S 42nd St](https://nearbypermits.com/boulder/address/620-s-42nd-st/): newest permit Aug 6, 2026
- [615 S 42nd St](https://nearbypermits.com/boulder/address/615-s-42nd-st/): newest permit Jan 22, 2026
- [720 S 42nd St](https://nearbypermits.com/boulder/address/720-s-42nd-st/): newest permit Jun 18, 2025
- [740 S 42nd St](https://nearbypermits.com/boulder/address/740-s-42nd-st/): newest permit Jul 18, 2025
- [760 S 42nd St](https://nearbypermits.com/boulder/address/760-s-42nd-st/): newest permit Jan 16, 2026
- [550 S 42nd St](https://nearbypermits.com/boulder/address/550-s-42nd-st/): newest permit Jun 22, 2026
- [545 S 42nd St](https://nearbypermits.com/boulder/address/545-s-42nd-st/): newest permit Sep 1, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 20:19 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/660-s-42nd-st/