# Building permits at 365 S 45th St, Boulder, CO

One permit here in the last two years. The newest, May 21, 2025: Replace Furnace with ASHP. 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 21, 2025 | Mechanical (HVAC) | Replace Furnace with ASHP | $18,800 | [MEC2025-00800](https://nearbypermits.com/boulder/permit/MEC2025-00800/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

Other addresses on S 45th St with permits, nearest house number first:

- [370 S 45th St](https://nearbypermits.com/boulder/address/370-s-45th-st/): newest permit May 14, 2026
- [375 S 45th St](https://nearbypermits.com/boulder/address/375-s-45th-st/): newest permit Nov 22, 2024
- [415 S 45th St](https://nearbypermits.com/boulder/address/415-s-45th-st/): newest permit May 6, 2026
- [430 S 45th St](https://nearbypermits.com/boulder/address/430-s-45th-st/): newest permit Apr 29, 2025
- [445 S 45th St](https://nearbypermits.com/boulder/address/445-s-45th-st/): newest permit Apr 15, 2026
- [460 S 45th St](https://nearbypermits.com/boulder/address/460-s-45th-st/): newest permit Oct 29, 2024
- [535 S 45th St](https://nearbypermits.com/boulder/address/535-s-45th-st/): newest permit Dec 3, 2024
- [540 S 45th St](https://nearbypermits.com/boulder/address/540-s-45th-st/): newest permit Sep 8, 2026
- [555 S 45th St](https://nearbypermits.com/boulder/address/555-s-45th-st/): newest permit Aug 18, 2025
- [605 S 45th St](https://nearbypermits.com/boulder/address/605-s-45th-st/): newest permit Apr 9, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 01:35 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/365-s-45th-st/