District of Columbia, DC permit B2509307:…
This permit issued; description: conversion o hvac permit covers District of Columbia, DC permit B2509307:… in District of Columbia, DC County, filed September 18, 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 50 records on 31St Street NW from Aug 12, 2025 through Aug 12, 2026, including 50 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 8, 2026
District of Columbia, DC permit E2605264: SUPPLEMENTAL
permit · Electrical · PERMIT ISSUED; Description: Electrical Trade Permit -
FEB 4, 2026
District of Columbia, DC permit E2605212: SUPPLEMENTAL
permit · Electrical · PERMIT ISSUED; Description: Electrical Trade Permit -
OCT 18, 2025
District of Columbia, DC permit E2600633: SUPPLEMENTAL
permit · Electrical · PERMIT ISSUED; Description: Electrical Trade Permit -
SEPTEMBER 18, 2025
District of Columbia, DC permit B2509307:… This permit
Permit · HVAC · PERMIT ISSUED; Description: Conversion of part of existing w