# Building permits at 3473 28th St, Boulder, CO

One permit here in the last two years. The newest, Mar 30: Replace like for like water boiler in mechanical room of building. 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 30, 2026 | Mechanical (HVAC) | Replace like for like water boiler in mechanical room of building. | $13,646 | [MEC2026-00341](https://nearbypermits.com/boulder/permit/MEC2026-00341/) |

## More on this street

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

- [3515 28th St 104](https://nearbypermits.com/boulder/address/3515-28th-st-104/): newest permit Feb 10, 2026
- [3525 28th St 304](https://nearbypermits.com/boulder/address/3525-28th-st-304/): newest permit Jul 21, 2026
- [3545 28th St 305](https://nearbypermits.com/boulder/address/3545-28th-st-305/): newest permit Aug 20, 2025
- [3390 28th St](https://nearbypermits.com/boulder/address/3390-28th-st/): newest permit Jun 16, 2025
- [3565 28th St 105](https://nearbypermits.com/boulder/address/3565-28th-st-105/): newest permit Mar 7, 2025
- [3325 28th St](https://nearbypermits.com/boulder/address/3325-28th-st/): newest permit Apr 28, 2026
- [3320 28th St](https://nearbypermits.com/boulder/address/3320-28th-st/): newest permit Jul 16, 2026
- [3280 28th St](https://nearbypermits.com/boulder/address/3280-28th-st/): newest permit Sep 29, 2025
- [3275 28th St](https://nearbypermits.com/boulder/address/3275-28th-st/): newest permit Mar 4, 2025
- [3265 28th St](https://nearbypermits.com/boulder/address/3265-28th-st/): newest permit May 5, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 02:28 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/3473-28th-st/