# Building permits at 1900 55th St, Boulder, CO

One permit here in the last two years. The newest, Dec 9, 2024: Voided for inactivity - no inspection within 180 days. 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 |
|---|---|---|---|---|
| Dec 9, 2024 | Electrical | Voided for inactivity - no inspection within 180 days. Provide power for 6000a 12v electrolysis equipment, using existing 400a 208v service. Remove 400A load center, and replace with 400A fusible disconnect. From disconnect, install 480V XFMER. From 480V XFMER, install 12v rectifer. From 12v rectifi | $25,000 | [ELE2024-00768](https://nearbypermits.com/boulder/permit/ELE2024-00768/) |

## More on this street

Other addresses on 55th St with permits, nearest house number first:

- [1880 55th St](https://nearbypermits.com/boulder/address/1880-55th-st/): newest permit Jan 7, 2026
- [1840 55th St](https://nearbypermits.com/boulder/address/1840-55th-st/): newest permit Mar 19, 2025
- [1780 55th St](https://nearbypermits.com/boulder/address/1780-55th-st/): newest permit Apr 2, 2026
- [1750 55th St](https://nearbypermits.com/boulder/address/1750-55th-st/): newest permit Aug 12, 2025
- [2075 55th St](https://nearbypermits.com/boulder/address/2075-55th-st/): newest permit Aug 25, 2026
- [2108 55th St](https://nearbypermits.com/boulder/address/2108-55th-st/): newest permit Nov 6, 2025
- [1595 55th St](https://nearbypermits.com/boulder/address/1595-55th-st/): newest permit Mar 27, 2025
- [1564 55th St](https://nearbypermits.com/boulder/address/1564-55th-st/): newest permit Sep 17, 2026
- [2300 55th St](https://nearbypermits.com/boulder/address/2300-55th-st/): newest permit Jan 23, 2026
- [2323 55th St](https://nearbypermits.com/boulder/address/2323-55th-st/): newest permit Feb 24, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 12:51 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/1900-55th-st/