# Building permits at 840 39th St, Boulder, CO

Four permits on record here. The newest, Aug 4: Like-for-like 40g 40k water heater replacement. 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 |
|---|---|---|---|---|
| Aug 4, 2026 | Mechanical (HVAC) | like-for-like 40g 40k water heater replacement | $5,794 | [MEC2026-01359](https://nearbypermits.com/boulder/permit/MEC2026-01359/) |
| Mar 16, 2012 | Mechanical (HVAC) | Replacement forced air furnace in crawlspace, 70K BTU | $2,800 | [PMT2012-01145-MEC](https://nearbypermits.com/boulder/permit/PMT2012-01145-MEC/) |
| Sep 15, 1989 | Mechanical (HVAC) | Mechanical replace f a furnace | $590 | [PMT1989-P5438-MEC](https://nearbypermits.com/boulder/permit/PMT1989-P5438-MEC/) |
| Jun 27, 1988 | Electrical | Electrical asphalt reshingle | $675 | [PMT1988-M9578-ELE](https://nearbypermits.com/boulder/permit/PMT1988-M9578-ELE/) |

## More on this street

Other addresses on 39th St with permits, nearest house number first:

- [825 39th St](https://nearbypermits.com/boulder/address/825-39th-st/): newest permit Feb 10, 2025
- [815 39th St](https://nearbypermits.com/boulder/address/815-39th-st/): newest permit Jul 23, 2026
- [870 39th St](https://nearbypermits.com/boulder/address/870-39th-st/): newest permit Nov 6, 2024
- [875 39th St](https://nearbypermits.com/boulder/address/875-39th-st/): newest permit Jan 6, 2026
- [780 39th St](https://nearbypermits.com/boulder/address/780-39th-st/): newest permit Jan 16, 2026
- [750 39th St](https://nearbypermits.com/boulder/address/750-39th-st/): newest permit Oct 21, 2025
- [740 39th St](https://nearbypermits.com/boulder/address/740-39th-st/): newest permit Jan 6, 2026
- [730 39th St](https://nearbypermits.com/boulder/address/730-39th-st/): newest permit May 5, 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 06:06 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/840-39th-st/