# Building permits at 375 S 42nd St, Boulder, CO

Six permits on record here. The newest, May 15: Like for like water heater replacement PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES. 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 |
|---|---|---|---|---|
| May 15, 2026 | Mechanical (HVAC) | Like for like water heater replacement PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: 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 | $3,242 | [MEC2026-00760](https://nearbypermits.com/boulder/permit/MEC2026-00760/) |
| Aug 25, 2015 | Mechanical (HVAC) | Replacement Water Heater | $2,106 | [PMT2015-20243-MEC](https://nearbypermits.com/boulder/permit/PMT2015-20243-MEC/) |
| Feb 24, 2014 | Electrical | Electrical service upgrade for 200 amp service. | $2,000 | [PMT2014-00827-ELE](https://nearbypermits.com/boulder/permit/PMT2014-00827-ELE/) |
| Nov 5, 2010 | Roofing | Total tear off and reroof of existing single family dwelling. 30-yr OC Oakridge shingles, 4/12 pitch as indicated on permit application. | $5,833 | [PMT2010-04907-RFG](https://nearbypermits.com/boulder/permit/PMT2010-04907-RFG/) |
| Mar 6, 2009 | Roofing | Roofing permit for 19 squares at 4/12 slope | $4,032 | [PMT2009-00735-RFG](https://nearbypermits.com/boulder/permit/PMT2009-00735-RFG/) |
| Apr 7, 2005 | Fence, wall or deck | New 6' fence. 76 linear | $600 | [PMT2005-01240-FEN](https://nearbypermits.com/boulder/permit/PMT2005-01240-FEN/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

Other addresses on S 42nd St with permits, nearest house number first:

- [365 S 42nd St](https://nearbypermits.com/boulder/address/365-s-42nd-st/): newest permit Dec 16, 2025
- [360 S 42nd St](https://nearbypermits.com/boulder/address/360-s-42nd-st/): newest permit Jun 2, 2026
- [345 S 42nd St](https://nearbypermits.com/boulder/address/345-s-42nd-st/): newest permit May 8, 2026
- [420 S 42nd St](https://nearbypermits.com/boulder/address/420-s-42nd-st/): newest permit Mar 4, 2025
- [425 S 42nd St](https://nearbypermits.com/boulder/address/425-s-42nd-st/): newest permit Oct 24, 2025
- [430 S 42nd St](https://nearbypermits.com/boulder/address/430-s-42nd-st/): newest permit May 22, 2026
- [520 S 42nd St](https://nearbypermits.com/boulder/address/520-s-42nd-st/): newest permit May 14, 2026
- [530 S 42nd St](https://nearbypermits.com/boulder/address/530-s-42nd-st/): newest permit Mar 17, 2026
- [540 S 42nd St](https://nearbypermits.com/boulder/address/540-s-42nd-st/): newest permit Sep 4, 2026
- [545 S 42nd St](https://nearbypermits.com/boulder/address/545-s-42nd-st/): newest permit Sep 1, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 10:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 6 permits at this address: https://nearbypermits.com/boulder/address/375-s-42nd-st/