Permit Record

Addition Residential

4707 47th St NW, Washington, DC 20016

ClassificationAddition
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Null Null; Brenda Pfeiffer
Owner
Sooy, William B
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
1546-0062
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
38.9513, -77.0924
Geocode confidence
95%
Geocode source
Not in source
Issued
Sep 19, 2025
Applied
Not in source
Work class
Residential
Description
Source description

NEW 2 STORY SIDE ADDITION AND BASEMENT. NEW 2ND FLOOR OVER EXISTING MAIN HOUSE AND INTERIOR ALTERATIONS. LOWER EXG BASEMENT SLAB. NEW MECHANICAL, ELECTRICAL, AND PLUMBING. MODIFIED FRONT PORCH AND REAR DECK. NEW REAR 9X18 CONC PARKING PAD. HEAVY UP ELECTRICAL TO 400 AMP SERVICE. NEW AREAWAY AND WINDOW WELL. UNDERPIN 3 WALLS OF EXG HOUSE.

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

8 permits at this parcel (parcel 1546-0062) · Sep 19, 2025 – Jul 30, 2026

  1. Jul 30, 2026F2600778Fence Wall · Issued
  2. May 6, 2026BP2602899Other · Issued
  3. May 6, 2026E2608421MEP Electrical · Issued
  4. Feb 12, 2026P2604485MEP Plumbing · Issued
  5. Feb 11, 2026E2605474MEP Electrical · Issued
  6. Feb 5, 2026M2601528MEP Mechanical HVAC · Issued
  7. Sep 22, 2025B2504910Alteration Commercial · Issued
  8. Sep 19, 2025This permitAddition Residential · Issued

Full permit history at this parcel · as of Aug 17, 2026.

Developer details
Permit #
B2505605
Canonical ID
243:B2505605
Source permit ID
B2505605
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