Permit Record

Addition Residential

4421 Q St NW, Washington, DC 20007

ClassificationAddition
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Nancy Matthews
Owner
Nancy Matthews
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
1351-0135
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
ADDITION ALTERATION REPAIR
Geocode & dates
Coordinates
38.9110, -77.0822
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 14, 2011
Applied
Not in source
Work class
Residential
Description
Source description

repair and replace existing bathroom fixtures and ceramic tile, add closet to master bedroom, upgrade electrical and plumbing systems, replace existing water supply pipes in home from lead to PVC.

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

14 permits at this parcel (parcel 1351-0135) · Nov 14, 2011 – Sep 13, 2022

  1. Sep 13, 2022P2209868MEP Plumbing · Finaled
  2. Jul 25, 2019B1912547Alteration Commercial · Expired
  3. Mar 16, 2016B1605834Alteration Commercial · Finaled
  4. Aug 14, 2015E1508455MEP Electrical · Finaled
  5. Jul 22, 2015P1507682MEP Plumbing · Finaled
  6. Jun 29, 2015B1509472Alteration Commercial · Finaled
  7. Jul 25, 2013E88493738MEP Electrical · Finaled
  8. May 13, 2013B1306760Alteration Commercial · Finaled
  9. May 13, 2013P1304951MEP Plumbing · Finaled
  10. Mar 16, 2012B1206260Alteration Commercial · Expired
  11. Dec 5, 2011P1201570MEP Plumbing · Expired
  12. Nov 18, 2011M1200407MEP Mechanical HVAC · Finaled
  13. Nov 18, 2011E1201234MEP Electrical · Expired
  14. Nov 14, 2011This permitAddition Residential · Issued

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

Developer details
Permit #
B1201778
Canonical ID
243:B1201778
Source permit ID
B1201778
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