# Building permits at 3175 28th St, Boulder, CO

One permit here in the last two years. The newest, Apr 23, 2025: Install an AES 7707P-88 radio to monitor the existing Silent Knight 5208 fire alarm system. 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 23, 2025 | Fire systems | Install an AES 7707P-88 radio to monitor the existing Silent Knight 5208 fire alarm system. (FAR) | $1,100 | [FIR2025-00134](https://nearbypermits.com/boulder/permit/FIR2025-00134/) |

## More on this street

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

- [3235 28th St](https://nearbypermits.com/boulder/address/3235-28th-st/): newest permit Oct 8, 2025
- [3113 28th St](https://nearbypermits.com/boulder/address/3113-28th-st/): newest permit Oct 14, 2024
- [3255 28th St](https://nearbypermits.com/boulder/address/3255-28th-st/): newest permit Feb 27, 2026
- [3265 28th St](https://nearbypermits.com/boulder/address/3265-28th-st/): newest permit May 5, 2025
- [3275 28th St](https://nearbypermits.com/boulder/address/3275-28th-st/): newest permit Mar 4, 2025
- [3070 28th St](https://nearbypermits.com/boulder/address/3070-28th-st/): newest permit Apr 23, 2025
- [3280 28th St](https://nearbypermits.com/boulder/address/3280-28th-st/): newest permit Sep 29, 2025
- [3320 28th St](https://nearbypermits.com/boulder/address/3320-28th-st/): newest permit Jul 16, 2026
- [3325 28th St](https://nearbypermits.com/boulder/address/3325-28th-st/): newest permit Apr 28, 2026
- [3390 28th St](https://nearbypermits.com/boulder/address/3390-28th-st/): newest permit Jun 16, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 19:08 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/3175-28th-st/