Permit Record

MEP Mechanical HVAC

519 17th St SE, Washington, DC 20003

ClassificationSUPPLEMENTAL - MECHANICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Heffernan, David
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
1091S-0073
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
38.8817, -76.9810
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 9, 2026
Applied
Not in source
Work class
Residential
Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen by PermitCore
Jul 13, 2026 · 10:31 UTC
Last seen
Aug 10, 2026 · 10:29 UTC
Last changed
Aug 10, 2026 · 10:29 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 1091S-0073) · Jul 28, 2010 – Jul 9, 2026

  1. Jul 9, 2026This permitMEP Mechanical HVAC · Finaled
  2. Aug 21, 2018E1809834MEP Electrical · Issued
  3. Jul 28, 2010PC20410422Other · Issued

Full permit history at this parcel · as of Aug 10, 2026.

Developer details
Permit #
M2603808
Canonical ID
243:M2603808
Source permit ID
M2603808
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