# Building permits at 864 18th St, Boulder, CO

One permit here in the last two years. The newest, May 12: 8/10/26 Bathtub that was showing as existing to remain was replaced with shower. 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 |
|---|---|---|---|---|
| May 12, 2026 | Alteration or repair | 8/10/26 Bathtub that was showing as existing to remain was replaced with shower. Revision 7/15/2026 Replace existing gas furnace in crawlspace in same location LEVEL 2 ALTERATION ? Demo of kitchen and new kitchen relocated to west side of dwelling unit ? Replacement of three existing windows, two wi | $50,500 | [BLD-SFD2026-00170](https://nearbypermits.com/boulder/permit/BLD-SFD2026-00170/) |

## More on this street

Other addresses on 18th St with permits, nearest house number first:

- [823 18th St 3](https://nearbypermits.com/boulder/address/823-18th-st-3/): newest permit Feb 21, 2025
- [811 18th St](https://nearbypermits.com/boulder/address/811-18th-st/): newest permit Aug 13, 2026
- [801 18th St](https://nearbypermits.com/boulder/address/801-18th-st/): newest permit Jan 15, 2025
- [765 18th St](https://nearbypermits.com/boulder/address/765-18th-st/): newest permit Jun 17, 2026
- [760 18th St](https://nearbypermits.com/boulder/address/760-18th-st/): newest permit May 14, 2026
- [755 18th St](https://nearbypermits.com/boulder/address/755-18th-st/): newest permit Aug 18, 2026
- [736 18th St](https://nearbypermits.com/boulder/address/736-18th-st/): newest permit Sep 24, 2025
- [709 18th St](https://nearbypermits.com/boulder/address/709-18th-st/): newest permit Mar 16, 2026
- [444 18th St](https://nearbypermits.com/boulder/address/444-18th-st/): newest permit Jun 11, 2026
- [401 18th St](https://nearbypermits.com/boulder/address/401-18th-st/): newest permit May 22, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 03:21 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/864-18th-st/