# Building permits at 862 Union Ave, Boulder, CO 14 permits on record here. The newest, Jul 9: Installation of a flush mount, grid-tied. 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 | |---|---|---|---|---| | Jul 9, 2026 | Electrical | Installation of a flush mount, grid-tied, 3.160 kW solar PV system, addition to an existing PV solar system. | $7,765 | [ELE2026-00501](https://nearbypermits.com/boulder/permit/ELE2026-00501/) | | Jun 13, 2025 | Electrical | ESS battery only. Installation of three Enphase 5P batteries with Enphase IQ system controller retrofit to existing solar PV system. Also, installation of service change; adding a new main service disconnect. | $14,895 | [ELE2025-00456](https://nearbypermits.com/boulder/permit/ELE2025-00456/) | | Jan 25, 2023 | Alteration or repair | An Alteration/renovation of the laundry room, primary bath, powder bath and replace window and install window at entry. Install 2 new AC units. | $84,074 | [BLD-SFD2022-00585](https://nearbypermits.com/boulder/permit/BLD-SFD2022-00585/) | | Mar 30, 2022 | Electrical | Installation of a flush mount, grid-tied 8.69 kW PV solar system. | $17,144 | [ELE2022-00486](https://nearbypermits.com/boulder/permit/ELE2022-00486/) | | Aug 9, 2018 | Roofing | Total tear off and reroof with 38 squares of dimensional shingles on 9/12 roof pitch. | $8,500 | [RFG2018-00314](https://nearbypermits.com/boulder/permit/RFG2018-00314/) | | Aug 25, 2016 | Mechanical (HVAC) | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Replacement Water Heater | $4,000 | [PMT2016-20268-MEC](https://nearbypermits.com/boulder/permit/PMT2016-20268-MEC/) | | Nov 12, 2004 | Plumbing | 1475 square foot basement remodel, 1295 square feet finished, 180 square feet unfinished. Owner contractor. | $825 | [PMT2004-04393-PLB](https://nearbypermits.com/boulder/permit/PMT2004-04393-PLB/) | | Nov 12, 2004 | Mechanical (HVAC) | 1475 square foot basement remodel, 1295 square feet finished, 180 square feet unfinished. Owner contractor. | $800 | [PMT2004-04393-MEC](https://nearbypermits.com/boulder/permit/PMT2004-04393-MEC/) | | Nov 12, 2004 | Electrical | 1475 square foot basement remodel, 1295 square feet finished, 180 square feet unfinished. Owner contractor. | $3,500 | [PMT2004-04393-ELE](https://nearbypermits.com/boulder/permit/PMT2004-04393-ELE/) | | Nov 12, 2004 | Alteration or repair | 1475 square foot basement remodel, 1295 square feet finished, 180 square feet unfinished. Owner contractor. | $29,375 | [PMT2004-04393](https://nearbypermits.com/boulder/permit/PMT2004-04393/) | | May 25, 2001 | Plumbing | New single family detached dwelling.Four bedrooms (one in basement, one on first floor and two on second level, three baths (none in basement), attaned two car garage. | $11,000 | [PMT2001-00919-PLB](https://nearbypermits.com/boulder/permit/PMT2001-00919-PLB/) | | May 25, 2001 | Mechanical (HVAC) | New single family detached dwelling.Four bedrooms (one in basement, one on first floor and two on second level, three baths (none in basement), attaned two car garage. | $12,000 | [PMT2001-00919-MEC](https://nearbypermits.com/boulder/permit/PMT2001-00919-MEC/) | | May 25, 2001 | Electrical | New single family detached dwelling.Four bedrooms (one in basement, one on first floor and two on second level, three baths (none in basement), attaned two car garage. | $9,000 | [PMT2001-00919-ELE](https://nearbypermits.com/boulder/permit/PMT2001-00919-ELE/) | | May 25, 2001 | New building | New single family detached dwelling.Four bedrooms (one in basement, one on first floor and two on second level, three baths (none in basement), attaned two car garage. | $210,000 | [PMT2001-00919](https://nearbypermits.com/boulder/permit/PMT2001-00919/) | ## More on this street Other addresses on Union Ave with permits, nearest house number first: - [860 Union Ave](https://nearbypermits.com/boulder/address/860-union-ave/): newest permit Sep 21, 2026 - [865 Union Ave](https://nearbypermits.com/boulder/address/865-union-ave/): newest permit Aug 14, 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 - [890 Union Ave](https://nearbypermits.com/boulder/address/890-union-ave/): newest permit Mar 18, 2026 - [830 Union Ave](https://nearbypermits.com/boulder/address/830-union-ave/): newest permit Oct 2, 2026 - [906 Union Ave](https://nearbypermits.com/boulder/address/906-union-ave/): newest permit Jul 22, 2025 - [800 Union Ave](https://nearbypermits.com/boulder/address/800-union-ave/): newest permit Feb 3, 2025 - [792 Union Ave](https://nearbypermits.com/boulder/address/792-union-ave/): newest permit Nov 19, 2024 - [933 Union Ave](https://nearbypermits.com/boulder/address/933-union-ave/): newest permit Sep 16, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 14:53 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 14 permits at this address: https://nearbypermits.com/boulder/address/862-union-ave/