Permit Record

Addition Residential

4527 45th St NW, Washington, DC 20016

ClassificationAddition
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Jon Zhang; Ellen Whitmore; Ellen Whitmore
Owner
Arianna Ugliano
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
1588-0071
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
38.9490, -77.0884
Geocode confidence
95%
Geocode source
Not in source
Issued
Nov 7, 2019
Applied
Not in source
Work class
Residential
Description
Source description

RENOVATION AND ADDITION TO EXISTING TWO-STORY BRICK HOME. CONSTRUCT A 2ND FLOOR ADD-STORY WOOD-FRAME ADDITION ABOVE EXISTING FIRST FLOOR AREA. ADD (1) BEDROOM, RELOCATE MASTER BATH AND HALL BATH. NO CHANGE TO EXISTING GRADE.

Status
Current status
finaled
Source status
COMPLETED
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 1588-0071) · Jul 11, 2019 – Jan 16, 2020

  1. Jan 16, 2020M2001158MEP Mechanical HVAC · Finaled
  2. Jan 16, 2020E2003705MEP Electrical · Finaled
  3. Nov 21, 2019P2001565MEP Plumbing · Finaled
  4. Nov 7, 2019This permitAddition Residential · Finaled
  5. Jul 12, 2019E1909311MEP Electrical · Issued
  6. Jul 11, 2019B1912147Alteration Commercial · Issued

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

Developer details
Permit #
B1914294
Canonical ID
243:B1914294
Source permit ID
B1914294
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