3125 23rd St

Boulder, CO 80304

Four permits on record here. The newest, Sep 8, 2025: The project consists of a 38 SF 1st story addition to the front entry of the existing primary structure with. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. The project consists of a 38 SF 1st story addition to the front entry of the existing primary structure with…

   Addition
   Sep 8, 2025$60,000
2. Electrical Service up-grade to 150 amps

   Electrical
   May 4, 2016not listed
3. Replacement forced-air furnace in SFD due to water damage

   Mechanical (HVAC)
   Oct 11, 2013$4,750
4. Mechanical replace hot water heater

   Mechanical (HVAC)
   Aug 31, 1990$370

• 3140 23rd St newest permit Jun 3, 2026
• 3105 23rd St newest permit Jun 30, 2026
• 3145 23rd St newest permit Sep 26, 2025
• 3165 23rd St newest permit Aug 18, 2026
• 3060 23rd St newest permit Oct 21, 2025
• 3030 23rd St newest permit Aug 8, 2025
• 3020 23rd St newest permit Feb 18, 2025
• 2994 23rd St newest permit Apr 24, 2026
• 2987 23rd St newest permit Dec 26, 2024
• 3333 23rd St newest permit May 5, 2025

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 21:47 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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