# Building permits at 1780 Oak Ave, Boulder, CO

Nine permits on record here. The newest, Sep 14: Replace existing a/c system with a new 15.2 SEER2. 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 14, 2026 | Mechanical (HVAC) | Replace existing a/c system with a new 15.2 SEER2, 3 ton heat pump system. Any electrical work required beyond a like-for-like replacement of equipment will require an electrical permit for inspection of the electrical scope. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All  | $18,818 | [MEC2026-01703](https://nearbypermits.com/boulder/permit/MEC2026-01703/) |
| Dec 2, 2021 | Mechanical (HVAC) | Replace existing furnace with new 80% AFUE, 70,000 btu/hr furnace | $3,590 | [MEC2021-02317](https://nearbypermits.com/boulder/permit/MEC2021-02317/) |
| Feb 4, 2019 | Mechanical (HVAC) | Replace gas logs with gas insert. | $1,860 | [MEC2019-00174](https://nearbypermits.com/boulder/permit/MEC2019-00174/) |
| Dec 6, 2018 | Electrical | Roof Mount, Flush Mount, Grid-Tied 7.92kW Solar PV | $14,810 | [ELE2018-01122](https://nearbypermits.com/boulder/permit/ELE2018-01122/) |
| Jun 17, 2014 | Mechanical (HVAC) | Replace existing comfort cooling with new 13 SEER 3 ton A/C and associated electrical work. | $2,854 | [PMT2014-02828-MEC](https://nearbypermits.com/boulder/permit/PMT2014-02828-MEC/) |
| Jun 17, 2014 | Electrical | Replace existing comfort cooling with new 13 SEER 3 ton A/C and associated electrical work. | $235 | [PMT2014-02828-ELE](https://nearbypermits.com/boulder/permit/PMT2014-02828-ELE/) |
| Jun 4, 2013 | Roofing | Parital tear off and reroof, SFD, dimensional shingles, 20 squares, contractor indicates 7/12 pitch. | $8,500 | [PMT2013-02531-RFG](https://nearbypermits.com/boulder/permit/PMT2013-02531-RFG/) |
| Nov 19, 1987 | Electrical | Electrical temp const power | Not listed | [PMT1987-M5242-ELE](https://nearbypermits.com/boulder/permit/PMT1987-M5242-ELE/) |
| Oct 30, 1987 | New building | 1 Dw un. The original general permit number is m4890. | $65,000 | [PMT1987-M4890](https://nearbypermits.com/boulder/permit/PMT1987-M4890/) |

## More on this street

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

- [1770 Oak Ave](https://nearbypermits.com/boulder/address/1770-oak-ave/): newest permit Oct 3, 2025
- [1790 Oak Ave](https://nearbypermits.com/boulder/address/1790-oak-ave/): newest permit Aug 25, 2025
- [1760 Oak Ave](https://nearbypermits.com/boulder/address/1760-oak-ave/): newest permit Oct 9, 2025
- [1800 Oak Ave](https://nearbypermits.com/boulder/address/1800-oak-ave/): newest permit Jun 26, 2026
- [1750 Oak Ave](https://nearbypermits.com/boulder/address/1750-oak-ave/): newest permit Sep 8, 2026
- [1740 Oak Ave](https://nearbypermits.com/boulder/address/1740-oak-ave/): newest permit Dec 30, 2025
- [1833 Oak Ave](https://nearbypermits.com/boulder/address/1833-oak-ave/): newest permit Nov 5, 2024
- [1919 Oak Ave](https://nearbypermits.com/boulder/address/1919-oak-ave/): newest permit Jan 30, 2026
- [1929 Oak Ave](https://nearbypermits.com/boulder/address/1929-oak-ave/): newest permit Apr 27, 2026
- [1620 Oak Ave](https://nearbypermits.com/boulder/address/1620-oak-ave/): newest permit Apr 24, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 08:52 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 9 permits at this address: https://nearbypermits.com/boulder/address/1780-oak-ave/