Permit Record

MEP Electrical

3018 O St NW, Washington, DC 20007

ClassificationSUPPLEMENTAL - ELECTRICALResidential MEP
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Marquardt, Catherine C
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
1242-0124
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
ELECTRICAL
Geocode & dates
Coordinates
38.9083, -77.0601
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 11, 2025
Applied
Not in source
Work class
Residential
Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:17 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 1242-0124) · Mar 13, 2017 – Apr 11, 2025

  1. Apr 11, 2025This permitMEP Electrical · Issued
  2. Nov 1, 2021SOL2102505Solar PV · Issued
  3. Sep 1, 2021E2110386MEP Electrical · Issued
  4. Sep 26, 2017M1703907MEP Mechanical HVAC · Expired
  5. Sep 26, 2017P1709405MEP Plumbing · Expired
  6. Mar 13, 2017B1705754Alteration Commercial · Issued

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

Developer details
Permit #
E2507378
Canonical ID
243:E2507378
Source permit ID
E2507378
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