Permit Record

Alteration Commercial

4409 Fessenden St NW, Washington, DC 20016

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Irving Henderson
Owner
Thomas T Wong
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
Not in source
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1582-0026
Climate zone (IECC)
4A
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
Not in source
Building subtype
ALTERATION AND REPAIR
Geocode & dates
Coordinates
38.9549, -77.0868
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 10, 2014
Applied
Not in source
Work class
Residential
Description
Source description

REMOVAL OF GARAGE DOOR TO ERECT FRAME WALL WITH EGRESS WINDOW. INSULATE EXTERIOR WALLS, FRAME OVER EXISTING SLAB FLOOR WITH INSULATION. INSTILLATION OF DUCTLESS MINI SPLITS AC AND HEATING UNIT.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:05 UTC
Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

3 permits at this parcel (parcel 1582-0026) · Sep 10, 2014 – Dec 16, 2014

  1. Dec 16, 2014AR66804334MEP Mechanical HVAC · Issued
  2. Dec 5, 2014AR85583086MEP Mechanical HVAC · Issued
  3. Sep 10, 2014This permitAlteration Commercial · Issued

Full permit history at this parcel · as of Aug 11, 2026.

Developer details
Permit #
B1411688
Canonical ID
243:B1411688
Source permit ID
B1411688
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