Permit Record

Addition Residential

4615 Cathedral Ave NW, Washington, DC 20016

ClassificationAddition
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Na Na; David Landsman
Owner
Castle Sand One LLC
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
1523-0810
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
38.9308, -77.0919
Geocode confidence
95%
Geocode source
Not in source
Issued
Jun 28, 2023
Applied
Not in source
Work class
Residential
Description
Source description

Renovations and additions to existing single-family detached dwelling and accessory building. Dwelling to be 3-stories with cellar and elevator. Accessory building to be 2-stories. Includes mechanical, electrical and plumbing systems, porches, walls, grading, utilities, walks, steps, landscaping and associated appurtenances. 12,365 sq. ft.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen (no changes since)
May 19, 2026 · 00:15 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 1523-0810) · Oct 28, 2016 – Jun 28, 2023

  1. Jun 28, 2023This permitAddition Residential · Issued
  2. Jan 9, 2017SB1700080Other · Issued
  3. Oct 28, 2016G1700006Alteration Commercial · Finaled

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

Developer details
Permit #
B2305109
Canonical ID
243:B2305109
Source permit ID
B2305109
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