Permit Record

MEP Mechanical HVAC

4809 B St SE, Washington, DC 20019

ClassificationSUPPLEMENTAL - MECHANICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Thompson, Nicholas A
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
5347-0022
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
MECHANICAL
Geocode & dates
Coordinates
38.8871, -76.9337
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 21, 2026
Applied
Not in source
Work class
Residential
Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen by PermitCore
Jul 23, 2026 · 10:08 UTC
Last seen
Aug 28, 2026 · 20:52 UTC
Last changed
Aug 17, 2026 · 09:56 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

6 permits at this parcel (parcel 5347-0022) · Aug 14, 2023 – Jul 21, 2026

  1. Jul 21, 2026This permitMEP Mechanical HVAC · Issued
  2. Jun 25, 2026E2610240MEP Electrical · Issued
  3. Jun 23, 2026P2609027MEP Plumbing · Issued
  4. Jun 22, 2026B2605919Alteration Commercial · Issued
  5. Aug 15, 2023E2311527MEP Electrical · Issued
  6. Aug 14, 2023SOL2301905Solar PV · Issued

Full permit history at this parcel · as of Aug 20, 2026.

Developer details
Permit #
M2604056
Canonical ID
243:M2604056
Source permit ID
M2604056
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