Permit Record

Alteration Commercial

448 M St NW, Washington, DC 20001

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Ashley Brown; Neil Siman
Owner
448 M 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
0514-0088
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, -77.0183
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 12, 2019
Applied
Not in source
Work class
Residential
Description
Source description

EXISTING ROLL UP DOOR GARAGE TO BE DEMOLISHED

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

6 permits at this parcel (parcel 0514-0088) · Aug 1, 2017 – Jul 12, 2019

  1. Jul 12, 2019This permitAlteration Commercial · Expired
  2. Mar 14, 2018P1804391MEP Plumbing · Issued
  3. Jan 16, 2018M1801105MEP Mechanical HVAC · Finaled
  4. Nov 8, 2017P1801028MEP Plumbing · Finaled
  5. Aug 3, 2017B1707254Addition Residential · Finaled
  6. Aug 1, 2017D1700691Demolition · Expired

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

Developer details
Permit #
B1912224
Canonical ID
243:B1912224
Source permit ID
B1912224
Browse Washington, DC permits in the Market Explorer →Pull this permit via /v1/permits →