2921 21st St

Boulder, CO 80304

At this address

3 permits on record. Newest issued Oct 7, 2025: Replace failed 50 gallon gas water heater with similar unit All new…

Within ¼ mile

Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Replace failed 50 gallon gas water heater with similar unit All new plastic glued vents for fuel burning…

   Mechanical (HVAC)
   Oct 7, 2025$3,800
2. Replacement Water Heater

   Mechanical (HVAC)
   May 16, 2009$1,800
3. Replacement Forced Air Furnace

   Mechanical (HVAC)
   May 15, 2009$2,084

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page.

• 2941 21st St newest permit Nov 18, 2025
• 2881 21st St newest permit Sep 23, 2026
• 2980 21st St newest permit Jul 20, 2026
• 2860 21st St newest permit Aug 18, 2026
• 2820 21st St newest permit Jul 28, 2026
• 2327 21st St newest permit Aug 25, 2026
• 2225 21st St newest permit Apr 9, 2026
• 3621 21st St newest permit Jun 24, 2026
• 3633 21st St newest permit Oct 10, 2024
• 3639 21st St newest permit Dec 6, 2024

Boulder Planning and Development Services updated its data Oct 8, 2026. We checked it Oct 8, 23:36 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