Permit Record

Alteration Commercial

1801 Calvert St NW 507, Washington, DC 20009

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Cat Knight
Owner
Rifkin, Marjorie
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
2547-2130
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
38.9235, -77.0443
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 16, 2024
Applied
Not in source
Work class
Residential
Description
Source description

Kalorama Triangle Historic District Master Bath Remodel: replace swing door with pocket door in non-load wall, replace/relocate fixtures

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:15 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

4 permits at this parcel (parcel 2547-2130) · Aug 12, 2011 – Jan 17, 2024

  1. Jan 17, 2024P2402955MEP Plumbing · Issued
  2. Jan 17, 2024E2403714MEP Electrical · Issued
  3. Jan 16, 2024This permitAlteration Commercial · Issued
  4. Aug 12, 2011AH1100454Other · Expired

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

Developer details
Permit #
B2402057
Canonical ID
243:B2402057
Source permit ID
B2402057
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