# Building permits at 4525 13th St 4b, Boulder, CO

One permit on record here. The newest, Jan 27, 2025: 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 |
|---|---|---|---|---|
| Jan 27, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days. Replace existing boiler with a new 155,000 btu/hr, 95% AFUE boiler. | $8,246 | [MEC2025-00142](https://nearbypermits.com/boulder/permit/MEC2025-00142/) |

## 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 13th St with permits, nearest house number first:

- [4500 13th St](https://nearbypermits.com/boulder/address/4500-13th-st/): newest permit Feb 21, 2025
- [4551 13th St C](https://nearbypermits.com/boulder/address/4551-13th-st-c/): newest permit Jun 8, 2026
- [4397 13th St](https://nearbypermits.com/boulder/address/4397-13th-st/): newest permit Aug 31, 2026
- [4654 13th St](https://nearbypermits.com/boulder/address/4654-13th-st/): newest permit Mar 18, 2026
- [4658 13th St](https://nearbypermits.com/boulder/address/4658-13th-st/): newest permit Dec 9, 2025
- [4391 13th St](https://nearbypermits.com/boulder/address/4391-13th-st/): newest permit Sep 29, 2026
- [4390 13th St](https://nearbypermits.com/boulder/address/4390-13th-st/): newest permit Jul 16, 2025
- [4367 13th St](https://nearbypermits.com/boulder/address/4367-13th-st/): newest permit Dec 29, 2025
- [4361 13th St](https://nearbypermits.com/boulder/address/4361-13th-st/): newest permit May 7, 2025
- [3355 13th St](https://nearbypermits.com/boulder/address/3355-13th-st/): newest permit Apr 11, 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 07:54 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/4525-13th-st-4b/