# Building permits at 933 Union Ave, Boulder, CO 11 permits on record here. The newest, Sep 16: 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 | |---|---|---|---|---| | Sep 16, 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 the electrical from the old HVAC and connect it to the new HVAC please note: applicable only to systems with fuel burning appliances: all new plast | $20,460 | [MEC2026-01723](https://nearbypermits.com/boulder/permit/MEC2026-01723/) | | Oct 16, 2017 | Electrical | Installation of a 4.62 kW solar array, flush mounted and grid tied on existing single family home. To include structural modifications to support the proposed loads. | $10,244 | [PMT2017-04321-ELE](https://nearbypermits.com/boulder/permit/PMT2017-04321-ELE/) | | Oct 16, 2017 | Solar | Installation of a 4.62 kW solar array, flush mounted and grid tied on existing single family home. To include structural modifications to support the proposed loads. | $4,947 | [PMT2017-04321](https://nearbypermits.com/boulder/permit/PMT2017-04321/) | | Mar 10, 2014 | Fence, wall or deck | Installation of 55 linear feet of 6' high privacy fence on west property line. | $450 | [PMT2014-01038-FEN](https://nearbypermits.com/boulder/permit/PMT2014-01038-FEN/) | | May 8, 2006 | Roofing | Total tear-off & overlay, 35 squares dimensional, 50 year, 5/12 pitch | $5,200 | [PMT2006-01724-RFG](https://nearbypermits.com/boulder/permit/PMT2006-01724-RFG/) | | Aug 30, 2001 | Mechanical (HVAC) | Replacing a forced air furnace. | $1,391 | [PMT2001-03660-MEC](https://nearbypermits.com/boulder/permit/PMT2001-03660-MEC/) | | Jun 24, 1999 | Mechanical (HVAC) | Addition - livingrm, mstrbedroom, office. Combines electrical #995230 and mechanical #995231 with General Permit. | $2,000 | [PMT1999-05228-MEC](https://nearbypermits.com/boulder/permit/PMT1999-05228-MEC/) | | Jun 24, 1999 | Electrical | Addition - livingrm, mstrbedroom, office. Combines electrical #995230 and mechanical #995231 with General Permit. | $1,000 | [PMT1999-05228-ELE](https://nearbypermits.com/boulder/permit/PMT1999-05228-ELE/) | | Jun 24, 1999 | Addition | Addition - livingrm, mstrbedroom, office. Combines electrical #995230 and mechanical #995231 with General Permit. | $30,000 | [PMT1999-05228](https://nearbypermits.com/boulder/permit/PMT1999-05228/) | | Aug 21, 1989 | New building | Att gar add. The original general permit number is p4842. | $5,000 | [PMT1989-P4842](https://nearbypermits.com/boulder/permit/PMT1989-P4842/) | | Mar 21, 1989 | New building | Detached sheds. The original general permit number is p1245. | $1,300 | [PMT1989-P1245](https://nearbypermits.com/boulder/permit/PMT1989-P1245/) | ## More on this street Other addresses on Union Ave with permits, nearest house number first: - [906 Union Ave](https://nearbypermits.com/boulder/address/906-union-ave/): newest permit Jul 22, 2025 - [890 Union Ave](https://nearbypermits.com/boulder/address/890-union-ave/): newest permit Mar 18, 2026 - [865 Union Ave](https://nearbypermits.com/boulder/address/865-union-ave/): newest permit Aug 14, 2026 - [862 Union Ave](https://nearbypermits.com/boulder/address/862-union-ave/): newest permit Jul 9, 2026 - [860 Union Ave](https://nearbypermits.com/boulder/address/860-union-ave/): newest permit Sep 21, 2026 - [1010 Union Ave](https://nearbypermits.com/boulder/address/1010-union-ave/): newest permit Feb 4, 2026 - [855 Union Ave](https://nearbypermits.com/boulder/address/855-union-ave/): newest permit May 7, 2026 - [840 Union Ave](https://nearbypermits.com/boulder/address/840-union-ave/): newest permit Mar 3, 2026 - [830 Union Ave](https://nearbypermits.com/boulder/address/830-union-ave/): newest permit Oct 2, 2026 - [800 Union Ave](https://nearbypermits.com/boulder/address/800-union-ave/): newest permit Feb 3, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 01:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 11 permits at this address: https://nearbypermits.com/boulder/address/933-union-ave/