Permit Record

MEP Mechanical HVAC

3922 South Dakota Ave NE, Washington, DC 20018

ClassificationSUPPLEMENTAL - MECHANICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Carl E. Williams
Owner
Dianne Chavis-Slaughter
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
4197-0009
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
MECHANICAL
Geocode & dates
Coordinates
38.9380, -76.9788
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 15, 2013
Applied
Not in source
Work class
Residential
Status
Current status
expired
Source status
EXPIRED
Provenance
First seen (no changes since)
May 19, 2026 · 00:04 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

9 permits at this parcel (parcel 4197-0009) · Aug 6, 2013 – Sep 20, 2017

  1. Sep 20, 2017B1713734Alteration Commercial · Expired
  2. Jul 25, 2017F1700497Fence Wall · Expired
  3. Jan 28, 2015AR66880602MEP Mechanical HVAC · Issued
  4. Dec 16, 2014P1502047MEP Plumbing · Issued
  5. Dec 10, 2014P1501870MEP Plumbing · Issued
  6. Nov 12, 2014E1501107MEP Electrical · Finaled
  7. Oct 15, 2013This permitMEP Mechanical HVAC · Expired
  8. Aug 6, 2013PC38407924Other · Issued
  9. Aug 6, 2013PC79783888Other · Issued

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

Developer details
Permit #
M1400117
Canonical ID
243:M1400117
Source permit ID
M1400117
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