# Building permits at 2850 18th St, Boulder, CO

Four permits on record here. The newest, Aug 5, 2025: Install like-for-like replacement 50 gallon 40k btu gas water heater. 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 5, 2025 | Mechanical (HVAC) | Install like-for-like replacement 50 gallon 40k btu gas water heater. 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 to the assigned inspector on the day t | $3,194 | [MEC2025-01242](https://nearbypermits.com/boulder/permit/MEC2025-01242/) |
| Dec 13, 2023 | Mechanical (HVAC) | install replacement 96% 110k btu furnace and 17 SEER 2 ton ac w/NEW A/C CIRCUIT 0-50'. Electrical included for a standard HVAC installation | $16,483 | [MEC2023-01869](https://nearbypermits.com/boulder/permit/MEC2023-01869/) |
| Aug 14, 2020 | Roofing | *Total tear off and reroof, modified bituminous, 21 squares, 2:12 pitch. | $2,500 | [RFG2020-00621](https://nearbypermits.com/boulder/permit/RFG2020-00621/) |
| Jul 18, 1995 | New building | Detached storage shed the original general permit number is 955395. | $815 | [PMT1995-05395](https://nearbypermits.com/boulder/permit/PMT1995-05395/) |

## More on this street

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

- [2875 18th St](https://nearbypermits.com/boulder/address/2875-18th-st/): newest permit Sep 26, 2025
- [2940 18th St](https://nearbypermits.com/boulder/address/2940-18th-st/): newest permit Sep 4, 2026
- [2950 18th St](https://nearbypermits.com/boulder/address/2950-18th-st/): newest permit Jun 17, 2026
- [2985 18th St](https://nearbypermits.com/boulder/address/2985-18th-st/): newest permit Dec 23, 2025
- [3010 18th St](https://nearbypermits.com/boulder/address/3010-18th-st/): newest permit Sep 1, 2026
- [3025 18th St](https://nearbypermits.com/boulder/address/3025-18th-st/): newest permit Jun 1, 2026
- [3035 18th St](https://nearbypermits.com/boulder/address/3035-18th-st/): newest permit Dec 3, 2025
- [3040 18th St](https://nearbypermits.com/boulder/address/3040-18th-st/): newest permit Jun 9, 2026
- [3050 18th St](https://nearbypermits.com/boulder/address/3050-18th-st/): newest permit Aug 26, 2026
- [3060 18th St](https://nearbypermits.com/boulder/address/3060-18th-st/): newest permit Jan 14, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 19:13 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/2850-18th-st/