# Building permits at 320 30th St, Boulder, CO

Three permits here in the last two years. The newest, Jul 3, 2025: VOID- 180 No Activity Install 50 Gallon Water Heater - Electric Heat Pump - Client supply water heater. 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 |
|---|---|---|---|---|
| Jul 3, 2025 | Mechanical (HVAC) | VOID- 180 No Activity Install 50 Gallon Water Heater - Electric Heat Pump - Client supply water heater | $1,854 | [MEC2025-01055](https://nearbypermits.com/boulder/permit/MEC2025-01055/) |
| Apr 22, 2025 | Mechanical (HVAC) | Add 3 cold climate mini splits. 2 at main home and one in garage. New electrical for all including 100a subpanel on garage. | $25,938 | [MEC2025-00610](https://nearbypermits.com/boulder/permit/MEC2025-00610/) |
| Apr 15, 2025 | Electrical | VOID- Over 180 Days No Activity Add 100 amp sub feed for existing detached garage and subpanel. | $1,900 | [ELE2025-00279](https://nearbypermits.com/boulder/permit/ELE2025-00279/) |

## More on this street

Other addresses on 30th St with permits, nearest house number first:

- [305 30th St](https://nearbypermits.com/boulder/address/305-30th-st/): newest permit Sep 2, 2025
- [340 30th St](https://nearbypermits.com/boulder/address/340-30th-st/): newest permit Mar 6, 2025
- [345 30th St](https://nearbypermits.com/boulder/address/345-30th-st/): newest permit Dec 10, 2024
- [270 30th St](https://nearbypermits.com/boulder/address/270-30th-st/): newest permit Sep 11, 2025
- [255 30th St](https://nearbypermits.com/boulder/address/255-30th-st/): newest permit Sep 23, 2026
- [120 30th St](https://nearbypermits.com/boulder/address/120-30th-st/): newest permit Feb 6, 2026
- [555 30th St](https://nearbypermits.com/boulder/address/555-30th-st/): newest permit Jul 14, 2026
- [730 30th St](https://nearbypermits.com/boulder/address/730-30th-st/): newest permit Mar 25, 2026
- [840 30th St](https://nearbypermits.com/boulder/address/840-30th-st/): newest permit Mar 10, 2025
- [890 30th St](https://nearbypermits.com/boulder/address/890-30th-st/): newest permit Aug 24, 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 23:12 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 3 permits at this address: https://nearbypermits.com/boulder/address/320-30th-st/