2431 4th St

Boulder, CO 80304

Three permits on record here. The newest, Dec 16, 2024: Per owners request install a voluntary addressable fire alarm system with full occupant notification. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

1. Per owners request install a voluntary addressable fire alarm system with full occupant notification…

   Fire systems
   Dec 16, 2024$8,769
2. Installation of new NFPA 13D sprinkler system

   Fire systems
   Dec 16, 2024$15,637
3. New construction of a two-bedroom two-story single family home with an attached single-car garage and…

   New building
   Aug 20, 2024$695,408

• 2429 4th St newest permit Dec 27, 2024
• 2435 4th St newest permit Aug 21, 2026
• 2427 4th St newest permit Mar 7, 2025
• 2436 4th St newest permit Nov 3, 2025
• 2425 4th St newest permit Mar 28, 2025
• 2385 4th St newest permit Aug 25, 2025
• 2521 4th St newest permit Jun 23, 2025
• 2525 4th St newest permit Aug 28, 2026
• 2529 4th St newest permit Jul 16, 2026
• 2323 4th St newest permit Jan 21, 2026

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 18:41 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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