Permit Record

Residential

4127 Harrison St NW, Washington, DC 20015

ClassificationPOST CARD - GAS FITTING
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Helller, Rafael G
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
1740-0008
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
GAS FITTING
Geocode & dates
Coordinates
38.9573, -77.0812
Geocode confidence
95%
Geocode source
Not in source
Issued
Dec 23, 2025
Applied
Not in source
Work class
Residential
Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen (no changes since)
May 19, 2026 · 00:17 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

8 permits at this parcel (parcel 1740-0008) · Jul 20, 2011 – Dec 23, 2025

  1. Dec 23, 2025This permitOther · Finaled
  2. Sep 14, 2023E2312709MEP Electrical · Issued
  3. Sep 13, 2023SOL2302504Solar PV · Issued
  4. Aug 30, 2011P1107437MEP Plumbing · Finaled
  5. Aug 30, 2011E1108786MEP Electrical · Finaled
  6. Aug 2, 2011P1106729MEP Plumbing · Finaled
  7. Aug 2, 2011E1108003MEP Electrical · Finaled
  8. Jul 20, 2011B1109355Alteration Commercial · Finaled

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

Developer details
Permit #
GF2601184
Canonical ID
243:GF2601184
Source permit ID
GF2601184
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