310 28th St

Boulder, CO 80305

13 permits on record here. The newest, Apr 20: Installing a 2.5 ton ducted Mitsubishi heat pump PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Installing a 2.5 ton ducted Mitsubishi heat pump PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING…

   Mechanical (HVAC)
   Apr 20$10,125
2. *New construction of a 354 sqft detached ADU

   Plumbing
   Mar 1, 2021$5,000
3. *New construction of a 354 sqft detached ADU

   Mechanical (HVAC)
   Mar 1, 2021$3,000
4. *New construction of a 354 sqft detached ADU

   Electrical
   Mar 1, 2021$5,000
5. *New construction of a 354 sqft detached ADU

   New building
   Mar 1, 2021$50,000
6. New Plumis Mist System installation for an ADU

   Fire systems
   Feb 22, 2021$3,500
7. Replacement of some existing fence and addition of new fencing enclosing rear yard of single family dwelling

   Fence, wall or deck
   Feb 17, 2016$2,618
8. Addition and remodel of existing single family residence to add 150 square feet and remodel 1,023 square feet…

   Plumbing
   Nov 15, 2012$10,800
9. Addition and remodel of existing single family residence to add 150 square feet and remodel 1,023 square feet…

   Mechanical (HVAC)
   Nov 15, 2012$8,000
10. Addition and remodel of existing single family residence to add 150 square feet and remodel 1,023 square feet…

    Electrical
    Nov 15, 2012$11,000
11. Addition and remodel of existing single family residence to add 150 square feet and remodel 1,023 square feet…

    Addition
    Nov 15, 2012$249,787
12. Upgrade electrical service for single-family residence to 200 amp service

    Electrical
    May 28, 2004$1,200
13. Roofing REROOF

    Roofing
    Apr 6, 1988$643

• 325 28th St newest permit Jan 3, 2025
• 350 28th St newest permit Nov 25, 2024
• 250 28th St newest permit Sep 22, 2025
• 395 28th St newest permit Apr 4, 2025
• 220 28th St newest permit Aug 5, 2025
• 215 28th St newest permit Oct 16, 2024
• 214 28th St newest permit Nov 13, 2025
• 770 28th St newest permit May 29, 2026
• 820 28th St 213 newest permit Jul 10, 2026
• 910 28th St 213 newest permit Apr 21, 2026

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 17:46 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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