920 Mapleton Ave

Boulder, CO 80302

16 permits on record here. The newest, Sep 22, 2025: Rheem heat pump (454b) & air handler. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Rheem heat pump (454b) & air handler

   Mechanical (HVAC)
   Sep 22, 2025$7,636
2. Replacement boiler 95% AFUE

   Mechanical (HVAC)
   Apr 8, 2024$11,886
3. Installation of a new, flush-mounted

   Electrical
   Sep 11, 2019$35,776
4. 72 sf addition to include a half bathroom and 225 sf remodel to a contributing accessory building to create a…

   Plumbing
   Jan 15, 2013$3,480
5. 72 sf addition to include a half bathroom and 225 sf remodel to a contributing accessory building to create a…

   Mechanical (HVAC)
   Jan 15, 2013$4,000
6. 72 sf addition to include a half bathroom and 225 sf remodel to a contributing accessory building to create a…

   Electrical
   Jan 15, 2013$4,000
7. 72 sf addition to include a half bathroom and 225 sf remodel to a contributing accessory building to create a…

   Addition
   Jan 15, 2013$50,000
8. Construction of 76 lineal feet of retaining wall (see engineer's stamped drawings & letter) -- wall to be…

   Fence, wall or deck
   Aug 22, 2011$27,500
9. Addition (406 sf) and remodel (1,110 sf) to existing SFD

   Plumbing
   Aug 28, 2009$6,500
10. Addition (406 sf) and remodel (1,110 sf) to existing SFD

    Mechanical (HVAC)
    Aug 28, 2009$15,000
11. Addition (406 sf) and remodel (1,110 sf) to existing SFD

    Electrical
    Aug 28, 2009$7,500
12. Addition (406 sf) and remodel (1,110 sf) to existing SFD

    Addition
    Aug 28, 2009$142,424
13. Replace 130,000 btu low pressure boiler and line chimney with new flue

    Mechanical (HVAC)
    Feb 26, 2003$5,000
14. Install new 3-ton air conditioner in rear yard

    Mechanical (HVAC)
    Feb 21, 2003$4,000
15. Install new 3-ton air conditioner in rear yard

    Electrical
    Feb 21, 2003$400
16. Service change

    Electrical
    Jul 18, 2001$1,700

• 847 Mapleton Ave newest permit Aug 27, 2025
• 1014 Mapleton Ave newest permit Jul 8, 2025
• 1035 Mapleton Ave newest permit Oct 1, 2025
• 1039 Mapleton Ave newest permit Mar 13, 2026
• 720 Mapleton Ave newest permit Apr 9, 2025
• 712 Mapleton Ave newest permit Mar 9, 2026
• 707 Mapleton Ave newest permit Mar 12, 2025
• 1133 Mapleton Ave newest permit Sep 29, 2025
• 704 Mapleton Ave newest permit Jan 7, 2026
• 642 Mapleton Ave newest permit May 19, 2026

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 12:37 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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