Permit Record

MEP Electrical

433 Warner St NW, Washington, DC 20001

ClassificationSUPPLEMENTAL - ELECTRICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Ralph E. Jackson
Owner
Stephen E Dumaine
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
0509-0135
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
ELECTRICAL
Geocode & dates
Coordinates
38.9120, -77.0183
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 10, 2014
Applied
Not in source
Work class
Residential
Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen (no changes since)
May 19, 2026 · 00:06 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

4 permits at this parcel (parcel 0509-0135) · Aug 6, 2014Jun 5, 2025

  1. Jun 5, 2025M2503363MEP Mechanical HVAC · Issued
  2. Apr 18, 2015E68768036MEP Electrical · Issued
  3. Sep 10, 2014This permitMEP Electrical · Finaled
  4. Aug 6, 2014SD1400071Alteration Commercial · Finaled

Full permit history at this parcel · as of Jul 8, 2026.

Developer details
Permit #
E1408876
Canonical ID
243:E1408876
Source permit ID
E1408876
Browse Washington, DC permits in the Market Explorer →Pull this permit via /v1/permits →