District of Columbia, DC permit B2510118:…
This permit issued; description: historic dis hvac permit covers District of Columbia, DC permit B2510118:… in District of Columbia, DC County, filed December 15, 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 43 records on California Street NW from Aug 12, 2025 through Aug 12, 2026, including 43 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 12, 2025 through Aug 12, 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
-
MAR 27, 2026
District of Columbia, DC permit E2606966: SUPPLEMENTAL
permit · Electrical · PERMIT ISSUED; Description: Electrical Trade Permit -
DECEMBER 15, 2025
District of Columbia, DC permit B2510118:… This permit
Permit · HVAC · PERMIT ISSUED; Description: Historic District This project i