320 20th St

Boulder, CO 80302

19 permits on record here. The newest, Jun 18: Install 27kWh Tesla Powerwall Energy Storage System. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Install 27kWh Tesla Powerwall Energy Storage System

   Electrical
   Jun 18$22,232
2. Two story addition on existing foundation with refinish of existing basement

   Addition
   Sep 9, 2020$481,000
3. *Voided for inactivity - no inspections within 180 days* New detached garage with attached carport associated…

   New building
   Sep 9, 2020$97,200
4. Floodplain development permit for proposed 6'-0" fence to be located within the 100 year floodplain

   Fence, wall or deck
   Apr 3, 2020not listed
5. Installation of an in-ground pre-cast spa

   New building
   Sep 27, 2019$45,000
6. *Electronic submittal - Installation of a grid-tied

   Electrical
   Mar 26, 2019$14,461
7. Two story addition on existing foundation with refinish of existing basement

   Plumbing
   Aug 8, 2018$25,000
8. Two story addition on existing foundation with refinish of existing basement

   Mechanical (HVAC)
   Aug 8, 2018$42,500
9. Two story addition on existing foundation with refinish of existing basement

   Electrical
   Aug 8, 2018$24,000
10. *Voided for inactivity due to no inspections performed within 180 days of issuance.* New detached garage with…

    Plumbing
    Jul 31, 2018$3,000
11. *Voided for inactivity due to no inspections performed within 180 days of issuance.*New detached garage with…

    Mechanical (HVAC)
    Jul 31, 2018$1,000
12. *Voided for inactivity due to no inspections performed within 180 days of issuance.*New detached garage with…

    Electrical
    Jul 31, 2018$4,200
13. Temporary Construction Power associated with 2 story addition (from foundation) approved throguh PMT2017-05603

    Electrical
    Feb 2, 2018not listed
14. *Voided for inactivity due to no inspections performed within 180 days of issuance.*Full single family…

    Demolition
    Dec 14, 2017not listed
15. 2-story addition & remodel

    Plumbing
    Jun 10, 2008$12,000
16. 2-story addition & remodel

    Mechanical (HVAC)
    Jun 10, 2008$10,000
17. 2-story addition & remodel

    Electrical
    Jun 10, 2008$15,000
18. 2-story addition & remodel

    Addition
    Jun 10, 2008$284,042
19. Replace forced air furnace

    Mechanical (HVAC)
    Dec 12, 2000$1,925

• 460 20th St newest permit Feb 20, 2026
• 735 20th St newest permit Jun 16, 2026
• 751 20th St newest permit Jul 30, 2026
• 864 20th St newest permit Jul 14, 2026
• 1513 20th St newest permit Jan 8, 2026
• 2322 20th St newest permit Aug 3, 2026
• 2800 20th St newest permit Jun 25, 2025
• 2810 20th St newest permit Jan 13, 2026
• 2831 20th St newest permit Dec 18, 2024
• 2840 20th St newest permit Jun 24, 2026

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 17:25 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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