CFA / H Revision to approved permit B2509001 Revised Electrical drawings for Installation of (3) 500-ton
Alteration or repair at 3700 O St NW, Washington
DC Department of Buildings permit B2604181: issued May 6, 2026 for alteration or repair work at 3700 O St NW. CFA / H Revision to approved permit B2509001 Revised Electrical drawings for Installation of (3) 500-ton TRANE temporary Chillers and associated equipment located at 9703 Prospect St / Lot #9 parking lot The purpose of these chillers is to provide temporary chilled water to the Lauinger Library and Village A buildings during the chilled water piping and equipment renovations Time Frame: June 2026 through August 2027.
- Permit number
- B2604181
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- Not listed
- ZIP code
- 20057
- 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 3700 O St NW, and what's permitted nearby
DC Department of Buildings updated its data Oct 9, 2026. We checked it Oct 11, 04:08 UTC. See the city's official records (District of Columbia, CC BY 4.0).
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