# Building permits at 2100 28th St 4f, Boulder, CO

Three permits here in the last two years. The newest, Mar 5: VOID- 180+ Days without inspection new wall signs on entrance and rear elevations. 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 |
|---|---|---|---|---|
| Mar 5, 2026 | Sign | VOID- 180+ Days without inspection new wall signs on entrance and rear elevations | $1,800 | [SGN2025-00140](https://nearbypermits.com/boulder/permit/SGN2025-00140/) |
| Jan 13, 2026 | Fire systems | TI Remodel (FSR 13) | $5,505 | [FIR2025-00518](https://nearbypermits.com/boulder/permit/FIR2025-00518/) |
| Dec 16, 2025 | Alteration or repair | Suite f tenant interior alteration- improvement work in an existing commercial core& shell building for a new tenant upgrade labs (indoor athletic facility). Includes but is not limited to, new partition walls, finishes, plumbing, mechanical, and electrical work. This is a personal health services b | $440,289 | [BLD-NRE2025-00182](https://nearbypermits.com/boulder/permit/BLD-NRE2025-00182/) |

## More on this street

Other addresses on 28th St with permits, nearest house number first:

- [1933 28th St](https://nearbypermits.com/boulder/address/1933-28th-st/): newest permit Apr 14, 2025
- [1906 28th St](https://nearbypermits.com/boulder/address/1906-28th-st/): newest permit Jun 15, 2026
- [1895 28th St](https://nearbypermits.com/boulder/address/1895-28th-st/): newest permit Jun 30, 2026
- [1875 28th St](https://nearbypermits.com/boulder/address/1875-28th-st/): newest permit Oct 30, 2025
- [1800 28th St](https://nearbypermits.com/boulder/address/1800-28th-st/): newest permit Jul 31, 2026
- [2405 28th St](https://nearbypermits.com/boulder/address/2405-28th-st/): newest permit Jul 9, 2025
- [1789 28th St](https://nearbypermits.com/boulder/address/1789-28th-st/): newest permit Jul 6, 2026
- [1741 28th St](https://nearbypermits.com/boulder/address/1741-28th-st/): newest permit Apr 14, 2025
- [1731 28th St](https://nearbypermits.com/boulder/address/1731-28th-st/): newest permit Sep 28, 2026
- [1690 28th St](https://nearbypermits.com/boulder/address/1690-28th-st/): newest permit Sep 17, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 06:09 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/2100-28th-st-4f/