3720 Walnut St

Boulder, CO 80301

3720 Walnut St: demolition permitted Mar 19, a new building Mar 20.

13 permits on record here. The newest, Sep 15: Install new addressable fire alarm system. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Install new addressable fire alarm system

   Fire systems
   Sep 15$31,860
2. TEC2024-00035 - Rocky Mountain Rescue | permit to capture Stormwater Facilities fees and inspections - SITE…

   Other
   May 22not listed
3. Temp board for project power and site trailer

   Electrical
   Mar 20not listed
4. New 3-story non-residential building for Rocky Mountain Rescue

   New building
   Mar 20$15,719,545
5. Removal of a one story 2450 sf metal building to allow construction of a new facility for Boulder County on…

   Demolition
   Mar 19not listed
6. Erection of a training & test tower for Rocky Mountain Rescue -- affiliated with BCSO

   Alteration or repair
   Jan 25, 2008$600
7. Rocky mountain Rescue

   Plumbing
   Oct 31, 2007$3,000
8. Rocky mountain Rescue

   Mechanical (HVAC)
   Oct 31, 2007$10,000
9. Rocky mountain Rescue

   Electrical
   Oct 31, 2007$10,000
10. Rocky mountain Rescue

    Alteration or repair
    Oct 31, 2007$15,000
11. Interior non-structural demolition

    Demolition
    Aug 29, 2007not listed
12. Install new illuminated wall sign

    Sign
    Apr 24, 2001$2,000
13. Install horizontal lp gas tank the original general permit number is 940102

    New building
    Jan 5, 1994$2,000

• 3750 Walnut St newest permit Dec 20, 2024
• 3333 Walnut St newest permit Nov 17, 2025
• 3300 Walnut St newest permit Jun 2, 2025
• 3250 Walnut St newest permit May 16, 2025
• 3201 Walnut St newest permit Nov 18, 2025
• 3151 Walnut St newest permit Nov 8, 2024
• 3003 Walnut St newest permit Jul 31, 2025
• 4730 Walnut St newest permit May 21, 2026
• 4745 Walnut St newest permit Aug 11, 2025
• 4760 Walnut St newest permit Nov 19, 2024

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 18:35 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.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near