# Building permits at 515 S 46th St, Boulder, CO

One permit here in the last two years. The newest, Oct 29, 2025: Replacement furnace. 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 |
|---|---|---|---|---|
| Oct 29, 2025 | Mechanical (HVAC) | Replacement furnace; 90,000 BTU and 80% AFUE. 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 assigned inspector on the day the rough mechanical insp | $5,186 | [MEC2025-01877](https://nearbypermits.com/boulder/permit/MEC2025-01877/) |

## More on this street

Other addresses on S 46th St with permits, nearest house number first:

- [505 S 46th St](https://nearbypermits.com/boulder/address/505-s-46th-st/): newest permit Dec 11, 2025
- [530 S 46th St](https://nearbypermits.com/boulder/address/530-s-46th-st/): newest permit Nov 6, 2025
- [540 S 46th St](https://nearbypermits.com/boulder/address/540-s-46th-st/): newest permit Dec 17, 2024
- [615 S 46th St](https://nearbypermits.com/boulder/address/615-s-46th-st/): newest permit Oct 16, 2024
- [625 S 46th St](https://nearbypermits.com/boulder/address/625-s-46th-st/): newest permit Sep 16, 2025
- [635 S 46th St](https://nearbypermits.com/boulder/address/635-s-46th-st/): newest permit Aug 3, 2026
- [640 S 46th St](https://nearbypermits.com/boulder/address/640-s-46th-st/): newest permit Jul 24, 2025
- [650 S 46th St](https://nearbypermits.com/boulder/address/650-s-46th-st/): newest permit Sep 8, 2026
- [660 S 46th St](https://nearbypermits.com/boulder/address/660-s-46th-st/): newest permit Feb 20, 2026
- [720 S 46th St](https://nearbypermits.com/boulder/address/720-s-46th-st/): newest permit Aug 4, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 23:55 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/515-s-46th-st/