Permit Record

Alteration Commercial

452 M St NW, Washington, DC 20001

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Killette And Associates; Na
Owner
M 452 LLC
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
0514-0829
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
38.9055, -77.0184
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 18, 2022
Applied
Not in source
Work class
Residential
Description
Source description

Mount Vernon Square Historic District REPAIR EXISTING CONCRETE / METAL STAIRS. REPLACE FRONT ENTRY DOOR

Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen (no changes since)
May 19, 2026 · 00:14 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

7 permits at this parcel (parcel 0514-0829) · Oct 14, 2015 – Jul 18, 2022

  1. Jul 18, 2022This permitAlteration Commercial · Finaled
  2. May 27, 2022E2207705MEP Electrical · Issued
  3. May 27, 2022M2202870MEP Mechanical HVAC · Finaled
  4. May 27, 2022P2206715MEP Plumbing · Finaled
  5. Feb 22, 2022B2203551Alteration Commercial · Finaled
  6. Aug 13, 2019B1912835Alteration Commercial · Expired
  7. Oct 14, 2015B1600268Alteration Commercial · Issued

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

Developer details
Permit #
B2208037
Canonical ID
243:B2208037
Source permit ID
B2208037
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