# Building permits at 812 Walnut St, Boulder, CO

Four permits on record here. The newest, Sep 28: All Structures must be permitted separately Total tear-off & reroof of MFD. 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 28, 2026 | Roofing | All Structures must be permitted separately Total tear-off & reroof of MFD, 149 squares of 80mil white TPO mechanically attached roof system on a pitch represented as | $237,847 | [RFG2026-00861](https://nearbypermits.com/boulder/permit/RFG2026-00861/) |
| Jul 27, 2026 | Addition | Remove 1150 sq ft of EPDM roof system and all flashings located on 4 patios, assess substrate and replace with required material as needed. Install ISO taper system to allow water to shed to exterior of patios and away from structure. Water will shed into existing gutters and scuppers. Install fully | $42,000 | [BLD-MFD2026-00062](https://nearbypermits.com/boulder/permit/BLD-MFD2026-00062/) |
| Mar 27, 2026 | Mechanical (HVAC) | Replace indirect water heater and replace Everhot water heater. *Both of these are heated using the existing boiler. 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  | $11,755 | [MEC2026-00462](https://nearbypermits.com/boulder/permit/MEC2026-00462/) |
| Apr 20, 2016 | Mechanical (HVAC) | Replace boiler. 399,000 BTU | $28,648 | [PMT2016-01721-MEC](https://nearbypermits.com/boulder/permit/PMT2016-01721-MEC/) |

## More on this street

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

- [824 Walnut St 46](https://nearbypermits.com/boulder/address/824-walnut-st-46/): newest permit Sep 9, 2026
- [790 Walnut St B](https://nearbypermits.com/boulder/address/790-walnut-st-b/): newest permit Oct 27, 2025
- [848 Walnut St](https://nearbypermits.com/boulder/address/848-walnut-st/): newest permit Jun 22, 2026
- [770 Walnut St B](https://nearbypermits.com/boulder/address/770-walnut-st-b/): newest permit Aug 12, 2026
- [854 Walnut St](https://nearbypermits.com/boulder/address/854-walnut-st/): newest permit May 27, 2026
- [760 Walnut St](https://nearbypermits.com/boulder/address/760-walnut-st/): newest permit Mar 27, 2026
- [750 Walnut St](https://nearbypermits.com/boulder/address/750-walnut-st/): newest permit Sep 28, 2026
- [711 Walnut St](https://nearbypermits.com/boulder/address/711-walnut-st/): newest permit Jun 3, 2026
- [921 Walnut St](https://nearbypermits.com/boulder/address/921-walnut-st/): newest permit Aug 5, 2026
- [1002 Walnut St](https://nearbypermits.com/boulder/address/1002-walnut-st/): newest permit Dec 10, 2025

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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 22:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 4 permits at this address: https://nearbypermits.com/boulder/address/812-walnut-st/