3355 4th St

Boulder, CO 80304

Three permits here in the last two years. The newest, Jul 9: Installation of 50amp manual transfer switch with 50amp rated receptacle for portable generator. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

The city's data portal didn't answer in time. "Here" shows our copy of the last two years, which we checked 2026-10-06 17:28 UTC. Data status

1. Installation of 50amp manual transfer switch with 50amp rated receptacle for portable generator

   Electrical
   Jul 9$2,500
2. Replace existing timber retaining wall with a concrete retaining wall

   Fence, wall or deck
   Dec 23, 2025$50,000
3. *Voided for inactivity

   Mechanical (HVAC)
   Aug 21, 2025$23,155

• 3369 4th St newest permit Dec 11, 2025
• 3380 4th St newest permit Apr 3, 2026
• 3390 4th St newest permit Apr 6, 2026
• 3311 4th St newest permit Nov 17, 2025
• 3309 4th St newest permit May 22, 2025
• 3307 4th St newest permit Apr 13, 2026
• 3302 4th St newest permit Jul 3, 2025
• 3421 4th St newest permit Jan 23, 2026
• 3239 4th St newest permit Oct 21, 2024
• 3232 4th St newest permit Dec 12, 2024

Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 17:28 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