District of Columbia, DC permit B2509527:…
This permit issued; description: interior sui hvac permit covers District of Columbia, DC permit B2509527:… in District of Columbia, DC County, filed October 29, 2025; the source does not list an estimated value.
Atmospheric image—not a photo of this permit.
LOCAL SIGNAL
This street
The collected record set contains 207 records on K Street NW from Aug 13, 2025 through Aug 13, 2026, including 207 permits.
Why?
We normalize the street name from the collected address, then count records in the same county with that normalized street name from Aug 13, 2025 through Aug 13, 2026. The count includes this filing and only records in our database.
PERMIT SEQUENCE
What typically follows
The deterministic permit-sequence rules connect HVAC work with Insulation, Duct cleaning, Smart thermostat, Air quality, Solar as common follow-on categories.
- Insulation
- Duct cleaning
- Smart thermostat
- Air quality
- Solar
RECORD ACTIVITY
Activity timeline
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APR 22, 2026
District of Columbia, DC permit B2602911: CONSTRUCTION
permit · HVAC · PERMIT ISSUED; Description: Amend permit B2509527 - scope The following drawing revisions have been made and are being s -
FEB 17, 2026
District of Columbia, DC permit P2604600: SUPPLEMENTAL
permit · Plumbing · COMPLETED; Description: Plumbing trade Permit -
DEC 19, 2025
District of Columbia, DC permit B2509389: CONSTRUCTION
permit · Remodel/addition · COMPLETED; Description: THE NATIONAL INSTITUTE OF BUILDING SCIENCES (NIBS), LOCATED AT 2121 K STREET NW IS AN EXISTING 1 -
OCTOBER 29, 2025
District of Columbia, DC permit B2509527:… This permit
Permit · HVAC · PERMIT ISSUED; Description: INTERIOR SUITE FIT-OUT WITHIN AN