# Building permits at 3305 Emerson Ave, Boulder, CO

Five permits on record here. The newest, Nov 19, 2024: Install heat pump 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 |
|---|---|---|---|---|
| Nov 19, 2024 | Mechanical (HVAC) | Install heat pump system. 1 48K BTU outdoor unit, 2 12K BTU wall units and 3 9k BTU wall units. Electrical: Add 3 breakers into panel box & run circuit into disconnect | $10,477 | [MEC2024-01690](https://nearbypermits.com/boulder/permit/MEC2024-01690/) |
| Oct 23, 2024 | Mechanical (HVAC) | Install: Combination boiler 1- Navien NNCB240110H NCB-H Series 110K MBH High Efficiency Condensing Combi Boiler 1- Navien N30026576A Stainless Steel Manifold Kit 1- Axiom ANC1 Condensate Neutralization Kit 1- ProSelect PSHT30 4.5 gal Hydronic Expansion Tank | $4,233 | [MEC2024-01520](https://nearbypermits.com/boulder/permit/MEC2024-01520/) |
| Jan 20, 2022 | Mechanical (HVAC) | *Void for inactivity* Install 155,000 BTU 95% boiler | $9,760 | [MEC2022-00088](https://nearbypermits.com/boulder/permit/MEC2022-00088/) |
| Dec 1, 2021 | Mechanical (HVAC) | Install range hood and exhaust duct | $500 | [MEC2021-02320](https://nearbypermits.com/boulder/permit/MEC2021-02320/) |
| Oct 8, 2007 | Roofing | Total tear-off & reroof of SFD, 20 squares on a pitch represented as a 3/12. Mid-roof inspection required. Shingles must comply with ASTM D 225 or D 3462. | $3,848 | [PMT2007-04415-RFG](https://nearbypermits.com/boulder/permit/PMT2007-04415-RFG/) |

## More on this street

Other addresses on Emerson Ave with permits, nearest house number first:

- [3295 Emerson Ave](https://nearbypermits.com/boulder/address/3295-emerson-ave/): newest permit Feb 19, 2026
- [3390 Emerson Ave](https://nearbypermits.com/boulder/address/3390-emerson-ave/): newest permit May 13, 2026
- [3210 Emerson Ave](https://nearbypermits.com/boulder/address/3210-emerson-ave/): newest permit Jun 30, 2026
- [3205 Emerson Ave](https://nearbypermits.com/boulder/address/3205-emerson-ave/): newest permit Apr 2, 2025
- [3410 Emerson Ave](https://nearbypermits.com/boulder/address/3410-emerson-ave/): newest permit Mar 31, 2026
- [3450 Emerson Ave](https://nearbypermits.com/boulder/address/3450-emerson-ave/): newest permit Jul 8, 2026
- [3490 Emerson Ave](https://nearbypermits.com/boulder/address/3490-emerson-ave/): newest permit Apr 9, 2026
- [3510 Emerson Ave](https://nearbypermits.com/boulder/address/3510-emerson-ave/): newest permit Nov 13, 2025
- [3090 Emerson Ave](https://nearbypermits.com/boulder/address/3090-emerson-ave/): newest permit Jul 28, 2025
- [3595 Emerson Ave](https://nearbypermits.com/boulder/address/3595-emerson-ave/): newest permit Feb 10, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 01:25 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 5 permits at this address: https://nearbypermits.com/boulder/address/3305-emerson-ave/