Permit Record

Alteration Commercial

4458 Q St NW, Washington, DC 20007

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
David Bloom
Owner
Brown, Catherine T
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
1352-0820
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
38.9105, -77.0835
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 10, 2025
Applied
Not in source
Work class
Residential
Description
Source description

Replace existing leadwalk and steps. Provide new stone tile on existing porch

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:17 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 1352-0820) · Oct 5, 2010 – Oct 10, 2025

  1. Oct 10, 2025This permitAlteration Commercial · Issued
  2. Aug 25, 2025B2508330Alteration Commercial · Issued
  3. Jun 1, 2023B2307260Alteration Commercial · Expired
  4. Oct 21, 2010E1100518MEP Electrical · Expired
  5. Oct 20, 2010P1100391MEP Plumbing · Issued
  6. Oct 5, 2010B1100119Alteration Commercial · Expired

Full permit history at this parcel · as of Jul 8, 2026.

Developer details
Permit #
B2509882
Canonical ID
243:B2509882
Source permit ID
B2509882
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