# Building permits at 2338 18th St, Boulder, CO

10 permits on record here. The newest, Apr 2: Install 4 helical piers. 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 |
|---|---|---|---|---|
| Apr 2, 2026 | Alteration or repair | Install 4 helical piers | $9,336 | [BLD-SFD2026-00025](https://nearbypermits.com/boulder/permit/BLD-SFD2026-00025/) |
| Nov 13, 2017 | Mechanical (HVAC) | Installation of a replacement gas fired, 48 gallon water heater with 0.63 UEF. Install thermal expansion device, service outlet and carbon monoxide detector(s) per code.Installation per manufacturer's specifications. | $1,028 | [PMT2017-04957-MEC](https://nearbypermits.com/boulder/permit/PMT2017-04957-MEC/) |
| Mar 27, 2017 | Roofing | Total tear-off & reroof of SFD, 23 squares of asphalt shingles on a roof with multiple pitches represented as 3/12 - 12/12. All roof materials shall be installed per manufacturer's specs. Mid-roof inspection required if pitch is less than 4/12. | $14,000 | [PMT2017-01179-RFG](https://nearbypermits.com/boulder/permit/PMT2017-01179-RFG/) |
| Dec 12, 2013 | Mechanical (HVAC) | Replacement of forced air furnace - 95% efficient, 70,000 btus. | $2,100 | [PMT2013-06990-MEC](https://nearbypermits.com/boulder/permit/PMT2013-06990-MEC/) |
| Sep 6, 2001 | Fence, wall or deck | Install 4 foot cedar fence | $750 | [PMT2001-03869-FEN](https://nearbypermits.com/boulder/permit/PMT2001-03869-FEN/) |
| Aug 13, 2001 | Fence, wall or deck | Install new fence in rear yard. | $497 | [PMT2001-03514-FEN](https://nearbypermits.com/boulder/permit/PMT2001-03514-FEN/) |
| Aug 23, 2000 | Mechanical (HVAC) | Install comfort cooling and replace furnace | $3,000 | [PMT2000-03495-MEC](https://nearbypermits.com/boulder/permit/PMT2000-03495-MEC/) |
| Aug 16, 2000 | Electrical | A/C hookup | $200 | [PMT2000-03396-ELE](https://nearbypermits.com/boulder/permit/PMT2000-03396-ELE/) |
| Apr 15, 1996 | Alteration or repair | Place 3 helical piers under fdn the original general permit number is 962331. | $1,500 | [PMT1996-02331](https://nearbypermits.com/boulder/permit/PMT1996-02331/) |
| Dec 5, 1989 | Addition | Addition. The original general permit number is p6306. | $25,000 | [PMT1989-P6306](https://nearbypermits.com/boulder/permit/PMT1989-P6306/) |

## More on this street

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

- [2345 18th St](https://nearbypermits.com/boulder/address/2345-18th-st/): newest permit Dec 12, 2024
- [2255 18th St](https://nearbypermits.com/boulder/address/2255-18th-st/): newest permit Aug 14, 2026
- [2121 18th St](https://nearbypermits.com/boulder/address/2121-18th-st/): newest permit Sep 10, 2026
- [2119 18th St](https://nearbypermits.com/boulder/address/2119-18th-st/): newest permit Sep 10, 2026
- [2016 18th St](https://nearbypermits.com/boulder/address/2016-18th-st/): newest permit Sep 12, 2025
- [2014 18th St](https://nearbypermits.com/boulder/address/2014-18th-st/): newest permit Mar 21, 2025
- [2008 18th St](https://nearbypermits.com/boulder/address/2008-18th-st/): newest permit Dec 16, 2025
- [2002 18th St](https://nearbypermits.com/boulder/address/2002-18th-st/): newest permit Jul 16, 2025
- [1934 18th St](https://nearbypermits.com/boulder/address/1934-18th-st/): newest permit Jan 24, 2025
- [2850 18th St](https://nearbypermits.com/boulder/address/2850-18th-st/): newest permit Aug 5, 2025

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 23:02 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 10 permits at this address: https://nearbypermits.com/boulder/address/2338-18th-st/