429 Maxwell Ave

Boulder, CO 80304

13 permits on record here. The newest, May 13: Residential Foundation Repair: - helical pier install x 6. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Residential Foundation Repair: - helical pier install x 6

   Alteration or repair
   May 13$20,500
2. After the fact permit for a bathroom in a detached studio/garage building associated with a single family…

   Plumbing
   Dec 23, 2020$300
3. After the fact permit for a bathroom in a detached studio/garage building associated with a single family…

   Mechanical (HVAC)
   Dec 23, 2020$160
4. After the fact permit for a bathroom in a detached studio/garage building associated with a single family…

   Electrical
   Dec 23, 2020$300
5. After the fact permit for a bathroom in a detached studio/garage building associated with a single family…

   Alteration or repair
   Dec 23, 2020$19,620
6. After the fact permit to establish a kitchen for an approved accessory dwelling unit (AUR2019-00109)

   Plumbing
   Apr 8, 2020$205
7. After the fact permit to establish a kitchen for an approved accessory dwelling unit (AUR2019-00109)

   Electrical
   Apr 8, 2020$625
8. After the fact permit to establish a kitchen for an approved accessory dwelling unit (AUR2019-00109)

   Alteration or repair
   Apr 8, 2020$9,775
9. *Installation of a replacement 80k BTU

   Mechanical (HVAC)
   Feb 1, 2019$3,000
10. Re-roof including total tear-off and installation of asphalt shingles to match existing ("charcoal gray - per…

    Roofing
    Jun 8, 2004$7,500
11. Construction of a new detached two-car one story garage and personal studio

    Electrical
    Oct 16, 2003$5,500
12. Construction of a new detached two-car one story garage and personal studio

    New building
    Oct 16, 2003$55,000
13. Remove illegal dwelling unit/convert to single fam the original general permit

    Alteration or repair
    May 6, 1993not listed

• 430 Maxwell Ave newest permit Apr 11, 2025
• 435 Maxwell Ave newest permit Apr 23, 2025
• 415 Maxwell Ave newest permit May 12, 2026
• 457 Maxwell Ave 2 newest permit Dec 9, 2025
• 510 Maxwell Ave newest permit Jun 9, 2026
• 516 Maxwell Ave newest permit Jun 11, 2026
• 527 Maxwell Ave newest permit Apr 11, 2025
• 536 Maxwell Ave newest permit Apr 17, 2025
• 541 Maxwell Ave newest permit Apr 11, 2025
• 611 Maxwell Ave newest permit Feb 18, 2026

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 16:14 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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