Permit Record

Alteration Commercial

4107 18th St NW, Washington, DC 20011

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Karina Baxter
Owner
Tamar Lechter
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
2637-0085
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
38.9414, -77.0410
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 18, 2019
Applied
Not in source
Work class
Residential
Description
Source description

NEW BASEMENT CONCRETE SLAB NO DIGGING REQUIRED

Status
Current status
expired
Source status
EXPIRED
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

5 permits at this parcel (parcel 2637-0085) · Feb 2, 2017 – Jan 16, 2023

  1. Jan 16, 2023M2301492MEP Mechanical HVAC · Finaled
  2. Nov 18, 2022PP2300675Other · Finaled
  3. Jan 18, 2019This permitAlteration Commercial · Expired
  4. Feb 13, 2017E1703731MEP Electrical · Finaled
  5. Feb 2, 2017SOL1700200Solar PV · Issued

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

Developer details
Permit #
B1904510
Canonical ID
243:B1904510
Source permit ID
B1904510
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