Permit Record

Addition Residential

5020 Cathedral Ave NW, Washington, DC 20016

ClassificationAddition
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Colin F Clark
Owner
Andrew D O'Neill
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
1439-0968
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
38.9300, -77.1021
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 5, 2018
Applied
Not in source
Work class
Residential
Description
Source description

A two story addition over an existing basement, a addition to the second floor over a first floor garage, and alterations and repair to the first and second floors to include electrical, mechanical, and plumbing work. No work to the basement.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:10 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

3 permits at this parcel (parcel 1439-0968) · Apr 5, 2018 – Jul 2, 2018

  1. Jul 2, 2018E1808174MEP Electrical · Issued
  2. Jun 25, 2018P1806989MEP Plumbing · Issued
  3. Apr 5, 2018This permitAddition Residential · Issued

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

Developer details
Permit #
B1802715
Canonical ID
243:B1802715
Source permit ID
B1802715
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