# Building permits at 755 18th St, Boulder, CO

Seven permits on record here. The newest, Aug 18: Replacing tanked water heater with 50 gallon natural gas water heater PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS. 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 18, 2026 | Mechanical (HVAC) | replacing tanked water heater with 50 gallon natural gas water heater 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 evidenc | $3,518 | [MEC2026-01479](https://nearbypermits.com/boulder/permit/MEC2026-01479/) |
| Aug 11, 2026 | Roofing | All Structures must be permitted separately Total tear-off & reroof of SFD, 15 squares of dimensional shingles on a pitch represented as 10/12. 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  | $8,698 | [RFG2026-00720](https://nearbypermits.com/boulder/permit/RFG2026-00720/) |
| Jul 6, 2010 | Fence, wall or deck | Installation of a 25 lineal feet of 6' high privacy fence along a portion of the alley. Owner contractor. | $750 | [PMT2010-02723-FEN](https://nearbypermits.com/boulder/permit/PMT2010-02723-FEN/) |
| Sep 29, 2009 | Mechanical (HVAC) | Installation/modification of gas piping, relocation of gas meter. | $200 | [PMT2009-03885-MEC](https://nearbypermits.com/boulder/permit/PMT2009-03885-MEC/) |
| Aug 5, 2009 | Electrical | Residential service upgrade to 125 amps. | $2,200 | [PMT2009-03028-ELE](https://nearbypermits.com/boulder/permit/PMT2009-03028-ELE/) |
| Jul 28, 2009 | Mechanical (HVAC) | Removal of roof deck of existing attached garage, side walls to remain at 6'10" to create courtyard. Replacement furnace. Addition of railings at exterior second story doors. | $3,500 | [PMT2009-02490-MEC](https://nearbypermits.com/boulder/permit/PMT2009-02490-MEC/) |
| Jul 28, 2009 | Alteration or repair | Removal of roof deck of existing attached garage, side walls to remain at 6'10" to create courtyard. Replacement furnace. Addition of railings at exterior second story doors. | $400 | [PMT2009-02490](https://nearbypermits.com/boulder/permit/PMT2009-02490/) |

## More on this street

Other addresses on 18th St with permits, nearest house number first:

- [760 18th St](https://nearbypermits.com/boulder/address/760-18th-st/): newest permit May 14, 2026
- [765 18th St](https://nearbypermits.com/boulder/address/765-18th-st/): newest permit Jun 17, 2026
- [736 18th St](https://nearbypermits.com/boulder/address/736-18th-st/): newest permit Sep 24, 2025
- [709 18th St](https://nearbypermits.com/boulder/address/709-18th-st/): newest permit Mar 16, 2026
- [801 18th St](https://nearbypermits.com/boulder/address/801-18th-st/): newest permit Jan 15, 2025
- [811 18th St](https://nearbypermits.com/boulder/address/811-18th-st/): newest permit Aug 13, 2026
- [823 18th St 3](https://nearbypermits.com/boulder/address/823-18th-st-3/): newest permit Feb 21, 2025
- [864 18th St](https://nearbypermits.com/boulder/address/864-18th-st/): newest permit May 12, 2026
- [444 18th St](https://nearbypermits.com/boulder/address/444-18th-st/): newest permit Jun 11, 2026
- [401 18th St](https://nearbypermits.com/boulder/address/401-18th-st/): newest permit May 22, 2026

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 07:31 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 7 permits at this address: https://nearbypermits.com/boulder/address/755-18th-st/