# Building permits at 2881 21st St, Boulder, CO

Nine permits on record here. The newest, Sep 23: No existing ac, replacing single stage 110k furnace installing: 1-BOHA-36MTB-M18S Bosch 34K BTU 18 SEER2 Heat. 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 |
|---|---|---|---|---|
| Sep 23, 2026 | Mechanical (HVAC) | No existing ac, replacing single stage 110k furnace installing: 1-BOHA-36MTB-M18S Bosch 34K BTU 18 SEER2 Heat Pump 1-BGH97M080B3A 2 stage gas furnace 80K BTU, 96% 1-BMAC3036BBTA Bosch Cased Coil 1-Electrical Services PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plast | $23,968 | [MEC2026-01734](https://nearbypermits.com/boulder/permit/MEC2026-01734/) |
| Mar 26, 2026 | Roofing | Detach and reset existing PV as permitted by PMT2007-02529-ELE. All Structures must be permitted separately Total tear-off & reroof of SFD, 33 squares of dimensional shingles on a pitch represented as 4/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection is requir | $13,200 | [RFG2026-00208](https://nearbypermits.com/boulder/permit/RFG2026-00208/) |
| Sep 26, 2013 | Mechanical (HVAC) | Replace water damaged 110,000 btu forced air furnace. Work to be done by temporary licensed contractor Pedroza Heating. | $2,800 | [PMT2013-04930-MEC](https://nearbypermits.com/boulder/permit/PMT2013-04930-MEC/) |
| Jun 20, 2007 | Electrical | New PV system | $13,500 | [PMT2007-02529-ELE](https://nearbypermits.com/boulder/permit/PMT2007-02529-ELE/) |
| Jun 10, 2002 | Plumbing | 1107 square foot addition plus attached garage addition resulting in two 3/4 plus a single full bath and four bedrooms. | $5,000 | [PMT2002-01894-PLB](https://nearbypermits.com/boulder/permit/PMT2002-01894-PLB/) |
| Jun 10, 2002 | Mechanical (HVAC) | 1107 square foot addition plus attached garage addition resulting in two 3/4 plus a single full bath and four bedrooms. | $4,000 | [PMT2002-01894-MEC](https://nearbypermits.com/boulder/permit/PMT2002-01894-MEC/) |
| Jun 10, 2002 | Electrical | 1107 square foot addition plus attached garage addition resulting in two 3/4 plus a single full bath and four bedrooms. | $5,000 | [PMT2002-01894-ELE](https://nearbypermits.com/boulder/permit/PMT2002-01894-ELE/) |
| Jun 10, 2002 | Addition | 1107 square foot addition plus attached garage addition resulting in two 3/4 plus a single full bath and four bedrooms. | $85,000 | [PMT2002-01894](https://nearbypermits.com/boulder/permit/PMT2002-01894/) |
| Apr 3, 1992 | Addition | Additiion/dining/bedroom/bath the original general permit number is 5939. | $50,000 | [PMT1992-05939](https://nearbypermits.com/boulder/permit/PMT1992-05939/) |

## 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:

- [2860 21st St](https://nearbypermits.com/boulder/address/2860-21st-st/): newest permit Aug 18, 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
- [2820 21st St](https://nearbypermits.com/boulder/address/2820-21st-st/): newest permit Jul 28, 2026
- [2980 21st St](https://nearbypermits.com/boulder/address/2980-21st-st/): newest permit Jul 20, 2026
- [2327 21st St](https://nearbypermits.com/boulder/address/2327-21st-st/): newest permit Aug 25, 2026
- [2225 21st St](https://nearbypermits.com/boulder/address/2225-21st-st/): newest permit Apr 9, 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 2026-10-08 22:02 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 9 permits at this address: https://nearbypermits.com/boulder/address/2881-21st-st/