Permit Record

Addition Residential

1504 Irving St NE, Washington, DC 20017

ClassificationAddition
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Thomas R Blackburn
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
4014-0021
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
ADDITION ALTERATION REPAIR
Geocode & dates
Coordinates
38.9292, -76.9835
Geocode confidence
95%
Geocode source
Not in source
Issued
May 19, 2009
Applied
Not in source
Work class
Residential
Description
Source description

BUILD TWO CAR GARAGE ON AND WITH IN OWNERS LOT@ ABOVE ADDRESS.

Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen (no changes since)
May 18, 2026 · 23:58 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 4014-0021) · May 19, 2009 – Jul 20, 2026

  1. Jul 20, 2026P2609861MEP Plumbing · Issued
  2. Jul 6, 2026E2610529MEP Electrical · Issued
  3. Jun 10, 2026B2605860Alteration Commercial · Issued
  4. Apr 22, 2026E2607895MEP Electrical · Finaled
  5. Nov 24, 2025SOL2600861Solar PV · Finaled
  6. Apr 26, 2023GF2302540Other · Finaled
  7. Apr 26, 2023MP2302541Other · Finaled
  8. May 19, 2009This permitAddition Residential · Finaled

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

Developer details
Permit #
B0905728
Canonical ID
243:B0905728
Source permit ID
B0905728
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