# Building permits at 3125 Denton Ave, Boulder, CO

Five permits on record here. The newest, Sep 30: All Structures must be permitted separately Total tear-off & reroof of SFD. 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 30, 2026 | Roofing | All Structures must be permitted separately Total tear-off & reroof of SFD, 13 squares of dimensional shingles on a pitch represented as 4/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection is required if 1) pitch is less than 4/12 or 2) for any roof type other t | $4,830 | [RFG2026-00864](https://nearbypermits.com/boulder/permit/RFG2026-00864/) |
| Jan 22, 2025 | Mechanical (HVAC) | replacement furnace | $6,771 | [MEC2025-00117](https://nearbypermits.com/boulder/permit/MEC2025-00117/) |
| Jan 6, 2021 | Alteration or repair | *Permit for the underpinning of the entire foundation of a single family detached dwelling with 18 helical piers. | $31,055 | [BLD-SFD2020-00473](https://nearbypermits.com/boulder/permit/BLD-SFD2020-00473/) |
| Oct 15, 2018 | Alteration or repair | Structural foundation repair, to include the installation of five new SmartJacks to support four new sections of W6x15 beam in crawlspace. | $9,214 | [BLD-SFD2018-00311](https://nearbypermits.com/boulder/permit/BLD-SFD2018-00311/) |
| Jul 13, 2012 | Mechanical (HVAC) | Installation of a replacement 70K BTU forced-air furnace. | $1,700 | [PMT2012-03367-MEC](https://nearbypermits.com/boulder/permit/PMT2012-03367-MEC/) |

## More on this street

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

- [3145 Denton Ave](https://nearbypermits.com/boulder/address/3145-denton-ave/): newest permit Jun 20, 2025
- [3000 Denton Ave](https://nearbypermits.com/boulder/address/3000-denton-ave/): newest permit Apr 27, 2026

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 05:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 5 permits at this address: https://nearbypermits.com/boulder/address/3125-denton-ave/