# Building permits at 545 S 40th St, Boulder, CO

Eight permits on record here. The newest, Sep 26, 2025: Roof-mounted solar installation 10.12 kW DC REVISION 12/18/25-Load side tap on the IQmeter collar connection. 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 26, 2025 | Electrical | Roof-mounted solar installation 10.12 kW DC REVISION 12/18/25-Load side tap on the IQmeter collar connection, no backfeed breaker | $58,532 | [ELE2025-00857](https://nearbypermits.com/boulder/permit/ELE2025-00857/) |
| Nov 2, 2021 | Mechanical (HVAC) | Replace failed water heater | $3,150 | [MEC2021-02153](https://nearbypermits.com/boulder/permit/MEC2021-02153/) |
| May 16, 2006 | Plumbing | Finish basement of existing SFD.Add 3/4 bath | $3,000 | [PMT2006-01841-PLB](https://nearbypermits.com/boulder/permit/PMT2006-01841-PLB/) |
| May 16, 2006 | Mechanical (HVAC) | Finish basement of existing SFD.Add 3/4 bath | $1,000 | [PMT2006-01841-MEC](https://nearbypermits.com/boulder/permit/PMT2006-01841-MEC/) |
| May 16, 2006 | Electrical | Finish basement of existing SFD.Add 3/4 bath | $300 | [PMT2006-01841-ELE](https://nearbypermits.com/boulder/permit/PMT2006-01841-ELE/) |
| May 16, 2006 | Alteration or repair | Finish basement of existing SFD.Add 3/4 bath | $12,100 | [PMT2006-01841](https://nearbypermits.com/boulder/permit/PMT2006-01841/) |
| Jul 28, 2004 | Mechanical (HVAC) | Replacement Forced Air Furnace | $1,300 | [PMT2004-20321-MEC](https://nearbypermits.com/boulder/permit/PMT2004-20321-MEC/) |
| Jul 23, 1993 | Addition | Deck/566 sf the original general permit number is 935334. | $1,132 | [PMT1993-05334](https://nearbypermits.com/boulder/permit/PMT1993-05334/) |

## More on this street

Other addresses on S 40th St with permits, nearest house number first:

- [540 S 40th St](https://nearbypermits.com/boulder/address/540-s-40th-st/): newest permit Mar 31, 2026
- [560 S 40th St](https://nearbypermits.com/boulder/address/560-s-40th-st/): newest permit Apr 10, 2025
- [525 S 40th St](https://nearbypermits.com/boulder/address/525-s-40th-st/): newest permit Apr 16, 2026
- [625 S 40th St](https://nearbypermits.com/boulder/address/625-s-40th-st/): newest permit Aug 20, 2026
- [460 S 40th St](https://nearbypermits.com/boulder/address/460-s-40th-st/): newest permit Sep 17, 2025
- [455 S 40th St](https://nearbypermits.com/boulder/address/455-s-40th-st/): newest permit Apr 1, 2025
- [450 S 40th St](https://nearbypermits.com/boulder/address/450-s-40th-st/): newest permit Feb 19, 2026
- [650 S 40th St](https://nearbypermits.com/boulder/address/650-s-40th-st/): newest permit Oct 8, 2024
- [375 S 40th St](https://nearbypermits.com/boulder/address/375-s-40th-st/): newest permit Jul 27, 2026
- [365 S 40th St](https://nearbypermits.com/boulder/address/365-s-40th-st/): newest permit Jul 14, 2025

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 23:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 8 permits at this address: https://nearbypermits.com/boulder/address/545-s-40th-st/