This project involves installing a new NFPA 13 (2022) compliant sprinkler system in a 4-story apartment
Fire systems at 1603 Walnut St, Boulder
Boulder Planning and Development Services permit FIR2025-00105: issued May 16, 2025 for fire systems work at 1603 Walnut St. This project involves installing a new NFPA 13 (2022) compliant sprinkler system in a 4-story apartment building. It includes a dry system for the parking garage and four wet systems zoned by floor, with CPVC piping on levels 2?4 and steel piping on level 1. A manual wet standpipe system will be installed per NFPA 14, requiring 137 PSI at the FDC. Sprinklers are not needed in the traction elevator shaft per code. Maximum residential sprinkler spacing is 20' x 20', with light and ordinary hazard areas limited to 225 and 130 square feet respectively. (FSN13).
- Permit number
- FIR2025-00105
- Issued
- Type of work
- Fire systems
- Status
- Issued
- Reported cost
- $200,000
- ZIP code
- 80302
- City's category
- Fire Permit, Fire Permit
- City's status
- Issued
- Source
- Boulder Planning and Development Services permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 1603 Walnut St, and what's permitted nearby
Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 09:41 UTC. See the city's official records.
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