District of Columbia, DC permit B2506420:…
This permit issued; description: rear additio hvac permit covers District of Columbia, DC permit B2506420:… in District of Columbia, DC County, filed December 5, 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 46 records on W Street NW from Aug 12, 2025 through Aug 12, 2026, including 46 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 16, 2026
District of Columbia, DC permit B2603147: CONSTRUCTION
permit · Remodel/addition · PERMIT ISSUED; Description: REVISION TO B2506420: Correct structural deficiencies discovered during construction and ext -
DECEMBER 5, 2025
District of Columbia, DC permit B2506420:… This permit
Permit · HVAC · PERMIT ISSUED; Description: REAR ADDITION (BASEMENT - 1ST