Permit Record

MEP Plumbing

640 Massachusetts Ave NE, Washington, DC 20002

ClassificationSUPPLEMENTAL - PLUMBING AND GASResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Richard Plumley; Richard Plumley
Owner
Debra S Knopman
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
0865-0840
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
PLUMBING AND GAS
Geocode & dates
Coordinates
38.8929, -76.9970
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 31, 2020
Applied
Not in source
Work class
Residential
Status
Current status
issued
Source status
PERMIT ISSUED
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 0865-0840) · Jan 26, 2017 – Jan 31, 2020

  1. Jan 31, 2020This permitMEP Plumbing · Issued
  2. Jan 10, 2020E2003498MEP Electrical · Issued
  3. Feb 26, 2018P1803944MEP Plumbing · Issued
  4. Feb 7, 2018E1803842MEP Electrical · Issued
  5. Dec 5, 2017B1802624Alteration Commercial · Issued
  6. Jan 26, 2017E1703217MEP Electrical · Expired

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

Developer details
Permit #
P2003501
Canonical ID
243:P2003501
Source permit ID
P2003501
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