255 S 40th St

Boulder, CO 80305

Nine permits on record here. The newest, Aug 4, 2025: Cold-climate heat pump and AHU to replace existing furnace and A/C. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Cold-climate heat pump and AHU to replace existing furnace and A/C

   Mechanical (HVAC)
   Aug 4, 2025$25,547
2. Tear-off reroof of SFD, 16 squares on a pitch represented as 4/12

   Roofing
   Nov 7, 2008$4,000
3. Kitchen and master bedroom addtion of 95 sq.ft.

   Plumbing
   Nov 7, 2002$5,000
4. Kitchen and master bedroom addtion of 95 sq.ft.

   Mechanical (HVAC)
   Nov 7, 2002$5,000
5. Kitchen and master bedroom addtion of 95 sq.ft.

   Electrical
   Nov 7, 2002$5,000
6. Kitchen and master bedroom addtion of 95 sq.ft.

   Addition
   Nov 7, 2002$50,000
7. Replace forced air furnace

   Mechanical (HVAC)
   Nov 29, 2001$2,719
8. Porch addition the original general permit number is 973075

   Addition
   May 27, 1997$1,000
9. Install egress window the original general permit number is 963365

   Alteration or repair
   May 23, 1996$600

• 265 S 40th St newest permit Jul 28, 2026
• 240 S 40th St newest permit May 5, 2025
• 285 S 40th St newest permit Mar 25, 2026
• 310 S 40th St newest permit May 27, 2026
• 320 S 40th St newest permit Aug 28, 2025
• 335 S 40th St newest permit Sep 17, 2026
• 365 S 40th St newest permit Jul 14, 2025
• 375 S 40th St newest permit Jul 27, 2026
• 450 S 40th St newest permit Feb 19, 2026
• 455 S 40th St newest permit Apr 1, 2025

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 18:26 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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