Permit Record

MEP Mechanical HVAC

1930 35th Pl NW, Washington, DC 20007

ClassificationSUPPLEMENTAL - MECHANICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
William A Callahan
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
1296E-0310
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
38.9164, -77.0704
Geocode confidence
95%
Geocode source
Not in source
Issued
May 10, 2019
Applied
Not in source
Work class
Residential
Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:11 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 1296E-0310) · Nov 1, 2016 – May 10, 2019

  1. May 10, 2019This permitMEP Mechanical HVAC · Issued
  2. Jan 9, 2019E1903191MEP Electrical · Issued
  3. Sep 11, 2018P1809094MEP Plumbing · Issued
  4. Jan 24, 2018B1704410Addition Residential · Finaled
  5. Feb 8, 2017B1704253Alteration Commercial · Issued
  6. Nov 1, 2016PC41490902Other · Issued

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

Developer details
Permit #
M1902554
Canonical ID
243:M1902554
Source permit ID
M1902554
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