840 12th St

Boulder, CO 80302

Eight permits on record here. The newest, Sep 29, 2025: Install Mitsubishi heat pump. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Install Mitsubishi heat pump

   Mechanical (HVAC)
   Sep 29, 2025$13,351
2. *Installing mini split system

   Mechanical (HVAC)
   Aug 20, 2020$4,375
3. *Electrical for install of min split on permit MEC2020-01328

   Electrical
   Aug 20, 2020$600
4. Removal of an existing chain-link fence along the south property line and the chain-link return to the house…

   Fence, wall or deck
   May 9, 2013$7,728
5. PV installation on SFD

   Electrical
   Sep 9, 2009$35,394
6. Replacement Forced Air Furnace

   Mechanical (HVAC)
   Dec 10, 2007$5,546
7. Total tear off and overlay of the upper 18 squares only

   Roofing
   May 1, 2002$4,796
8. Install a gas insert

   Mechanical (HVAC)
   Sep 21, 2000$449

• 845 12th St newest permit Oct 13, 2025
• 830 12th St newest permit Jan 20, 2026
• 820 12th St newest permit May 29, 2025
• 891 12th St newest permit Oct 8, 2025
• 907 12th St newest permit Dec 4, 2025
• 916 12th St newest permit May 16, 2025
• 735 12th St newest permit Oct 18, 2024
• 728 12th St newest permit Aug 8, 2025
• 955 12th St newest permit Sep 28, 2026
• 655 12th St newest permit Feb 27, 2025

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 12:47 UTC. See the city's official records.

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near