3515 23rd St

Boulder, CO 80304

Five permits on record here. The newest, Apr 30: Install new Heat Pump to replace existing AC for single family detached dwelling - includes electrical PLEASE. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Install new Heat Pump to replace existing AC for single family detached dwelling - includes electrical PLEASE…

   Mechanical (HVAC)
   Apr 30$9,795
2. Replacement furnace PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic…

   Mechanical (HVAC)
   Dec 19, 2025$6,228
3. Tear off shake roof and install 40 year elk prestique plus shingles and install 8 velux skylights

   Alteration or repair
   Jun 14, 2000not listed
4. Install water heater

   Mechanical (HVAC)
   Dec 31, 1999$400
5. Basement remodel the original general permit number is 976409

   Alteration or repair
   Oct 15, 1997$20,000

• 3505 23rd St newest permit Jan 2, 2026
• 3525 23rd St newest permit Jul 8, 2025
• 3445 23rd St newest permit Jul 3, 2025
• 3333 23rd St newest permit May 5, 2025
• 3165 23rd St newest permit Aug 18, 2026
• 3145 23rd St newest permit Sep 26, 2025
• 3140 23rd St newest permit Jun 3, 2026
• 3125 23rd St newest permit Sep 8, 2025
• 3105 23rd St newest permit Jun 30, 2026
• 3060 23rd St newest permit Oct 21, 2025

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 13:15 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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