2941 21st St

Boulder, CO 80304

Nine permits on record here. The newest, Nov 18, 2025: Residential solar system addition to existing system. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Residential solar system addition to existing system

   Electrical
   Nov 18, 2025$12,000
2. Residential PV system on a new build residential spec home

   Electrical
   Jul 3, 2025$25,844
3. Installation of new fire sprinkler system (FSN13D)

   Fire systems
   Jun 6, 2025$36,000
4. New Single Family Home

   New building
   Jan 14, 2025$1,200,000
5. Demolition of single-family residential home

   Demolition
   Jun 4, 2024not listed
6. Replacement of flood damaged forced air furnace

   Mechanical (HVAC)
   Oct 17, 2013$3,200
7. Replacement of flood damaged forced air furnace

   Electrical
   Oct 17, 2013not listed
8. Replacement Forced Air Furnace

   Mechanical (HVAC)
   Dec 13, 2005$2,731
9. Mechanical replace f a furnace

   Mechanical (HVAC)
   Oct 4, 1988$1,100

• 2921 21st St newest permit Oct 7, 2025
• 2980 21st St newest permit Jul 20, 2026
• 2881 21st St newest permit Sep 23, 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
• 3621 21st St newest permit Jun 24, 2026
• 3633 21st St newest permit Oct 10, 2024
• 3639 21st St newest permit Dec 6, 2024
• 2225 21st St newest permit Apr 9, 2026

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 7, 08:38 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.

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