# Building permits at 740 39th St, Boulder, CO 10 permits on record here. The newest, Jan 6: 3 ton electric heat pump installation replacing an existing gas furnace. 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 | |---|---|---|---|---| | Jan 6, 2026 | Mechanical (HVAC) | 3 ton electric heat pump installation replacing an existing gas furnace. The gas line will be capped at the removed furnace location. Need to disconnect and reconnect the electrical to the HVAC units. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents f | $17,495 | [MEC2025-02302](https://nearbypermits.com/boulder/permit/MEC2025-02302/) | | Dec 9, 2025 | Mechanical (HVAC) | 3 ton electric heat pump installation replacing an existing gas furnace and existing AC. The gas line will be capped at the removed furnace location. Two circuit breakers will be installed for heat pump operation and no service upgrade required PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNI | $17,000 | [MEC2025-02173](https://nearbypermits.com/boulder/permit/MEC2025-02173/) | | Nov 28, 2025 | Electrical | Installation of solar panels on existing residential roof. 6.02 kW. Addition of 3 0-60A circuits. 14 panels. Meter pull required for energy storage system installation | $21,870 | [ELE2025-01181](https://nearbypermits.com/boulder/permit/ELE2025-01181/) | | Jun 16, 2025 | Electrical | VOID CONTRACTOR REQUESTED Installation of roof mounted solar panels on existing residential roof: 6.02 kW | $34,370 | [ELE2025-00447](https://nearbypermits.com/boulder/permit/ELE2025-00447/) | | Apr 21, 2025 | Alteration or repair | VOID-180 Days no activity *Interior Alterations to an Existing One-Story Single-Family Residence, with associated structural, electrical, and finish/repair work including: - Area of Work: 105 sf - Removal an interior load-bearing wall that separates an existing kitchen from an existing living room. | $15,000 | [BLD-SFD2025-00114](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00114/) | | Mar 3, 2014 | Mechanical (HVAC) | Replacement water heater in SFD. | $1,400 | [PMT2014-00910-MEC](https://nearbypermits.com/boulder/permit/PMT2014-00910-MEC/) | | Nov 29, 2010 | Mechanical (HVAC) | Replacement forced air furnace, 95 percent efficient, 71K BTU. Installation of thermostat. | $3,600 | [PMT2010-05272-MEC](https://nearbypermits.com/boulder/permit/PMT2010-05272-MEC/) | | Nov 29, 2010 | Electrical | Replacement forced air furnace, 95 percent efficient, 71K BTU. Installation of thermostat. | $100 | [PMT2010-05272-ELE](https://nearbypermits.com/boulder/permit/PMT2010-05272-ELE/) | | Feb 3, 2006 | Electrical | Service change 200 amps | $2,000 | [PMT2006-00418-ELE](https://nearbypermits.com/boulder/permit/PMT2006-00418-ELE/) | | Dec 5, 1990 | Roofing | Roofing reroof - 3 tab shingles | $900 | [PMT1990-R5197-RFG](https://nearbypermits.com/boulder/permit/PMT1990-R5197-RFG/) | ## More on this street Other addresses on 39th St with permits, nearest house number first: - [730 39th St](https://nearbypermits.com/boulder/address/730-39th-st/): newest permit May 5, 2025 - [750 39th St](https://nearbypermits.com/boulder/address/750-39th-st/): newest permit Oct 21, 2025 - [780 39th St](https://nearbypermits.com/boulder/address/780-39th-st/): newest permit Jan 16, 2026 - [815 39th St](https://nearbypermits.com/boulder/address/815-39th-st/): newest permit Jul 23, 2026 - [825 39th St](https://nearbypermits.com/boulder/address/825-39th-st/): newest permit Feb 10, 2025 - [840 39th St](https://nearbypermits.com/boulder/address/840-39th-st/): newest permit Aug 4, 2026 - [870 39th St](https://nearbypermits.com/boulder/address/870-39th-st/): newest permit Nov 6, 2024 - [875 39th St](https://nearbypermits.com/boulder/address/875-39th-st/): newest permit Jan 6, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 22:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 10 permits at this address: https://nearbypermits.com/boulder/address/740-39th-st/