# Building permits at 454 Highland Ave, Boulder, CO 12 permits on record here. The newest, Apr 17: Replacement air handler x2 and heat pump replacing ac x2 PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL. 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 17, 2026 | Mechanical (HVAC) | Replacement air handler x2 and heat pump replacing ac x2 PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pres | $32,904 | [MEC2026-00603](https://nearbypermits.com/boulder/permit/MEC2026-00603/) | | Oct 5, 2021 | Mechanical (HVAC) | *Voided for inactivity - no inspections within 180 days* Low Pressure Boiler Annual Fuel Utilization Efficiency (AFUE) 95, 155000BTU, Natural Gas, Interior, Replace | $11,096 | [MEC2021-01974](https://nearbypermits.com/boulder/permit/MEC2021-01974/) | | Feb 18, 2010 | Electrical | Remove existing shed and construction of new 374 s.f. detached garage at rear of single-family residential property | $500 | [PMT2009-05278-ELE](https://nearbypermits.com/boulder/permit/PMT2009-05278-ELE/) | | Feb 18, 2010 | New building | Remove existing shed and construction of new 374 s.f. detached garage at rear of single-family residential property | $13,965 | [PMT2009-05278](https://nearbypermits.com/boulder/permit/PMT2009-05278/) | | Aug 3, 2007 | New building | New 14x12 foot shed. No plumbing fixtures. LAC on file. | $8,114 | [PMT2007-03304](https://nearbypermits.com/boulder/permit/PMT2007-03304/) | | Jun 27, 2005 | Electrical | Electrical permit for temporary construction power. | $100 | [PMT2005-02475-ELE](https://nearbypermits.com/boulder/permit/PMT2005-02475-ELE/) | | Jun 16, 2005 | Plumbing | New 2 story, 5,217 square foot house including basement, with two full, one 3/4, and one 1/2 bath baths and four bedrooms. 1,790 square foot basement is finished. No garage. | $5,000 | [PMT2005-01272-PLB](https://nearbypermits.com/boulder/permit/PMT2005-01272-PLB/) | | Jun 16, 2005 | Mechanical (HVAC) | New 2 story, 5,217 square foot house including basement, with two full, one 3/4, and one 1/2 bath baths and four bedrooms. 1,790 square foot basement is finished. No garage. | $4,000 | [PMT2005-01272-MEC](https://nearbypermits.com/boulder/permit/PMT2005-01272-MEC/) | | Jun 16, 2005 | Electrical | New 2 story, 5,217 square foot house including basement, with two full, one 3/4, and one 1/2 bath baths and four bedrooms. 1,790 square foot basement is finished. No garage. | $3,500 | [PMT2005-01272-ELE](https://nearbypermits.com/boulder/permit/PMT2005-01272-ELE/) | | Jun 16, 2005 | New building | New 2 story, 5,217 square foot house including basement, with two full, one 3/4, and one 1/2 bath baths and four bedrooms. 1,790 square foot basement is finished. No garage. | $648,907 | [PMT2005-01272](https://nearbypermits.com/boulder/permit/PMT2005-01272/) | | Apr 7, 2005 | Demolition | Full structure demo. LAC on file. His2004-00145 his2005-00070 his2005-01255 | Not listed | [PMT2005-01255-DEM](https://nearbypermits.com/boulder/permit/PMT2005-01255-DEM/) | | Apr 23, 1997 | Mechanical (HVAC) | Mechanical replace hot water heater at 2224 5th street unit 67. | $400 | [PMT1997-02351-MEC](https://nearbypermits.com/boulder/permit/PMT1997-02351-MEC/) | ## 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 Highland Ave with permits, nearest house number first: - [511 Highland Ave](https://nearbypermits.com/boulder/address/511-highland-ave/): newest permit Jun 24, 2026 - [525 Highland Ave](https://nearbypermits.com/boulder/address/525-highland-ave/): newest permit Nov 28, 2025 - [615 Highland Ave](https://nearbypermits.com/boulder/address/615-highland-ave/): newest permit Sep 18, 2026 - [700 Highland Ave](https://nearbypermits.com/boulder/address/700-highland-ave/): newest permit Sep 25, 2026 - [707 Highland Ave](https://nearbypermits.com/boulder/address/707-highland-ave/): newest permit Jan 13, 2026 - [725 Highland Ave](https://nearbypermits.com/boulder/address/725-highland-ave/): newest permit May 25, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 05:56 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 12 permits at this address: https://nearbypermits.com/boulder/address/454-highland-ave/