541 Maxwell Ave

Boulder, CO 80304

Five permits on record here. The newest, Apr 11, 2025: New single-zone Mitsubishi heat pump system - 9,000 BTU/cooling capacity. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. New single-zone Mitsubishi heat pump system - 9,000 BTU/cooling capacity

   Mechanical (HVAC)
   Apr 11, 2025$9,298
2. Replacement furnace 97% AFUE 70,000 BTU- New air conditioner 15.4 SEER2 - 12.5 EER2

   Mechanical (HVAC)
   Apr 16, 2024$15,934
3. Replacement forced-air furnace (please also reference HIS2014-00019)

   Mechanical (HVAC)
   Feb 4, 2014$1,450
4. Construction of new detached, two-car garage, 576 square feet in size

   Electrical
   Sep 3, 2003$300
5. Construction of new detached, two-car garage, 576 square feet in size

   New building
   Sep 3, 2003$17,000

• 536 Maxwell Ave newest permit Apr 17, 2025
• 527 Maxwell Ave newest permit Apr 11, 2025
• 516 Maxwell Ave newest permit Jun 11, 2026
• 510 Maxwell Ave newest permit Jun 9, 2026
• 611 Maxwell Ave newest permit Feb 18, 2026
• 621 Maxwell Ave newest permit May 12, 2025
• 624 Maxwell Ave newest permit May 23, 2025
• 457 Maxwell Ave 2 newest permit Dec 9, 2025
• 628 Maxwell Ave newest permit Dec 5, 2025
• 435 Maxwell Ave newest permit Apr 23, 2025

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 21:14 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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