# Building permits at 4501 8th St, Boulder, CO

Two permits here in the last two years. The newest, Nov 13, 2025: Voided for inactivity - no inspection within 180 days Install one Navien Combi wall hung 95% eff. 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 |
|---|---|---|---|---|
| Nov 13, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days Install one Navien Combi wall hung 95% eff. boiler model NCB190/060H. Includes Honeywell programable thermostat, equipment, materials, 50 percent glycol to water mix, zone valves, expansion tank, automatic air vent, circulator pump, PVC flue, fil | $13,445 | [MEC2025-01978](https://nearbypermits.com/boulder/permit/MEC2025-01978/) |
| Oct 28, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days Supply and install Mitsubishi H2i Heat Pump: 2 head system 1-2 wall head 2 ton mini split system with 1- 9,000btu wall heads and 1- 12,000btu wall head, 12" stand for outdoor unit, MHK2, thermostat for each wall head, condensate drain with pump,  | $16,913 | [MEC2025-01843](https://nearbypermits.com/boulder/permit/MEC2025-01843/) |

## More on this street

Other addresses on 8th St with permits, nearest house number first:

- [4511 8th St](https://nearbypermits.com/boulder/address/4511-8th-st/): newest permit Oct 27, 2025
- [4519 8th St](https://nearbypermits.com/boulder/address/4519-8th-st/): newest permit Oct 28, 2025
- [4521 8th St](https://nearbypermits.com/boulder/address/4521-8th-st/): newest permit Nov 13, 2025
- [4527 8th St](https://nearbypermits.com/boulder/address/4527-8th-st/): newest permit Nov 13, 2025
- [4529 8th St](https://nearbypermits.com/boulder/address/4529-8th-st/): newest permit Oct 28, 2025
- [4535 8th St](https://nearbypermits.com/boulder/address/4535-8th-st/): newest permit Oct 28, 2025
- [4539 8th St](https://nearbypermits.com/boulder/address/4539-8th-st/): newest permit Nov 13, 2025
- [4541 8th St](https://nearbypermits.com/boulder/address/4541-8th-st/): newest permit Nov 13, 2025
- [4597 8th St](https://nearbypermits.com/boulder/address/4597-8th-st/): newest permit Nov 13, 2025
- [3239 8th St](https://nearbypermits.com/boulder/address/3239-8th-st/): newest permit Apr 1, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 14:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Both permits at this address: https://nearbypermits.com/boulder/address/4501-8th-st/