# Building permits at 2225 21st St, Boulder, CO

Four permits on record here. The newest, Apr 9: Installation of 2 Ton Mitsubishi Electric Hyper-Heat® multizone ductless system. 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 |
|---|---|---|---|---|
| Apr 9, 2026 | Mechanical (HVAC) | Installation of 2 Ton Mitsubishi Electric Hyper-Heat® multizone ductless system. Condenser Model# MXZ-2D20NLHZ, and two wall-mounted mini split heads Model#'s MSZ-GX15NL, MSZ-GX09NL PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning app | $11,300 | [MEC2026-00548](https://nearbypermits.com/boulder/permit/MEC2026-00548/) |
| Mar 27, 2019 | Mechanical (HVAC) | *replace existing furnace with new, high efficiency (96%) furnace 80,000 btu | $1,850 | [MEC2019-00440](https://nearbypermits.com/boulder/permit/MEC2019-00440/) |
| Mar 21, 1995 | Addition | Second story 3 bedroom, 1 bath addition & flat roo the original general permit | $9,000 | [PMT1995-01945](https://nearbypermits.com/boulder/permit/PMT1995-01945/) |
| Oct 5, 1987 | Alteration or repair | Finish basement. The original general permit number is m4247. | $3,000 | [PMT1987-M4247](https://nearbypermits.com/boulder/permit/PMT1987-M4247/) |

## 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 21st St with permits, nearest house number first:

- [2327 21st St](https://nearbypermits.com/boulder/address/2327-21st-st/): newest permit Aug 25, 2026
- [2820 21st St](https://nearbypermits.com/boulder/address/2820-21st-st/): newest permit Jul 28, 2026
- [2860 21st St](https://nearbypermits.com/boulder/address/2860-21st-st/): newest permit Aug 18, 2026
- [2881 21st St](https://nearbypermits.com/boulder/address/2881-21st-st/): newest permit Sep 23, 2026
- [2921 21st St](https://nearbypermits.com/boulder/address/2921-21st-st/): newest permit Oct 7, 2025
- [2941 21st St](https://nearbypermits.com/boulder/address/2941-21st-st/): newest permit Nov 18, 2025
- [2980 21st St](https://nearbypermits.com/boulder/address/2980-21st-st/): newest permit Jul 20, 2026
- [3621 21st St](https://nearbypermits.com/boulder/address/3621-21st-st/): newest permit Jun 24, 2026
- [3633 21st St](https://nearbypermits.com/boulder/address/3633-21st-st/): newest permit Oct 10, 2024
- [3639 21st St](https://nearbypermits.com/boulder/address/3639-21st-st/): newest permit Dec 6, 2024

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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 04:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 4 permits at this address: https://nearbypermits.com/boulder/address/2225-21st-st/