Install carbon monoxide detectors for existing fire alarm system
Fire systems at 899 O St NW, Washington
DC Department of Buildings permit B2606338: issued Jul 17, 2026 for fire systems work at 899 O St NW. Install carbon monoxide detectors for existing fire alarm system.
- Permit number
- B2606338
- Issued
- Type of work
- Fire systems
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20001
- City's category
- Construction, alteration and repair
- City's status
- Permit issued
- Source
- DC Department of Buildings 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 899 O St NW, and what's permitted nearby
DC Department of Buildings updated its data Oct 9, 2026. We checked it Oct 11, 10:24 UTC. See the city's official records (District of Columbia, CC BY 4.0).
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