# Building permits at 711 Walnut St, Boulder, CO

Six permits on record here. The newest, Jun 3: Replacing AC. 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 |
|---|---|---|---|---|
| Jun 3, 2026 | Mechanical (HVAC) | Replacing AC. 3 ton, 16 seer. 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 pressure test directly to the a | $10,123 | [MEC2026-00898](https://nearbypermits.com/boulder/permit/MEC2026-00898/) |
| Nov 17, 2020 | Mechanical (HVAC) | *Installing replacement ductless mini split system. | $7,562 | [MEC2020-01835](https://nearbypermits.com/boulder/permit/MEC2020-01835/) |
| Aug 28, 2008 | Mechanical (HVAC) | Replacement Forced Air Furnace, Replacement Comfort Cooling | $4,277 | [PMT2008-20189-MEC](https://nearbypermits.com/boulder/permit/PMT2008-20189-MEC/) |
| Jul 7, 2008 | Roofing | Total tear off and overlay of existing SFD roof. Certainteed 50-yr dimensional asphalt, 20 squares, 7/12 pitch. | $6,500 | [PMT2008-02828-RFG](https://nearbypermits.com/boulder/permit/PMT2008-02828-RFG/) |
| Nov 16, 1988 | Mechanical (HVAC) | Mechanical gas line for heaters | $492 | [PMT1988-N2717-MEC](https://nearbypermits.com/boulder/permit/PMT1988-N2717-MEC/) |
| Feb 9, 1988 | Mechanical (HVAC) | Mechanical install sealed heater | $450 | [PMT1988-M6417-MEC](https://nearbypermits.com/boulder/permit/PMT1988-M6417-MEC/) |

## More on this street

Other addresses on Walnut St with permits, nearest house number first:

- [750 Walnut St](https://nearbypermits.com/boulder/address/750-walnut-st/): newest permit Sep 28, 2026
- [760 Walnut St](https://nearbypermits.com/boulder/address/760-walnut-st/): newest permit Mar 27, 2026
- [770 Walnut St B](https://nearbypermits.com/boulder/address/770-walnut-st-b/): newest permit Aug 12, 2026
- [790 Walnut St B](https://nearbypermits.com/boulder/address/790-walnut-st-b/): newest permit Oct 27, 2025
- [613 Walnut St](https://nearbypermits.com/boulder/address/613-walnut-st/): newest permit Sep 18, 2026
- [812 Walnut St](https://nearbypermits.com/boulder/address/812-walnut-st/): newest permit Sep 28, 2026
- [824 Walnut St 46](https://nearbypermits.com/boulder/address/824-walnut-st-46/): newest permit Sep 9, 2026
- [848 Walnut St](https://nearbypermits.com/boulder/address/848-walnut-st/): newest permit Jun 22, 2026
- [854 Walnut St](https://nearbypermits.com/boulder/address/854-walnut-st/): newest permit May 27, 2026
- [921 Walnut St](https://nearbypermits.com/boulder/address/921-walnut-st/): newest permit Aug 5, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 17:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 6 permits at this address: https://nearbypermits.com/boulder/address/711-walnut-st/