Permit Record

Alteration Commercial

621 Allison St NW, Washington, DC 20011

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Constantine Mathios
Owner
Edwin N Crummie
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
3220-0010
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
ALTERATION AND REPAIR
Geocode & dates
Coordinates
38.9454, -77.0210
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 29, 2009
Applied
Not in source
Work class
Residential
Description
Source description

REPAIR/REPLACE OF KITCHEN AND BATH FIXTURES, CABINETS, AND APPLIANCES ONLY.

Status
Current status
expired
Source status
EXPIRED
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

11 permits at this parcel (parcel 3220-0010) · Sep 29, 2009 – Mar 24, 2025

  1. Mar 24, 2025PP2502409Other · Issued
  2. Mar 24, 2025PP2502407Other · Issued
  3. Feb 28, 2025PP2502013Other · Issued
  4. Aug 9, 2024E2411154MEP Electrical · Expired
  5. Jul 30, 2024B2407710Alteration Commercial · Expired
  6. Sep 12, 2017BP1705054Other · Expired
  7. Nov 24, 2009M1000320MEP Mechanical HVAC · Expired
  8. Nov 13, 2009P1000863MEP Plumbing · Issued
  9. Nov 12, 2009E1001011MEP Electrical · Issued
  10. Oct 19, 2009B1000464Alteration Commercial · Expired
  11. Sep 29, 2009This permitAlteration Commercial · Expired

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

Developer details
Permit #
B0909646
Canonical ID
243:B0909646
Source permit ID
B0909646
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