Permit Record

Alteration Commercial

2700 Platt Ct NW, Washington, DC 20001

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Lilly Hochhauser
Owner
McMillan Associates 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
3128-0941
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
ALTERATION AND REPAIR
Geocode & dates
Coordinates
38.8852, -77.0085
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 12, 2026
Applied
Not in source
Work class
Residential
Description
Source description

Historic District Revision to Building Permit B2408115 to incorporate approved master file revision permits B2502461 and B2410233 into record. These revisions include truss height changes and electrical upgrade to 400A service.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen by PermitCore
May 6, 2026 · 21:09 UTC
Last seen
Aug 28, 2026 · 20:52 UTC
Last changed
Aug 19, 2026 · 09:44 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 3128-0941) · Aug 29, 2024 – Jan 12, 2026

  1. Jan 12, 2026This permitAlteration Commercial · Issued
  2. May 6, 2025EN2501454Other · Issued
  3. Mar 6, 2025M2501974MEP Mechanical HVAC · Issued
  4. Jan 22, 2025E2504370MEP Electrical · Issued
  5. Jan 21, 2025E2504340MEP Electrical · Issued
  6. Jan 10, 2025P2502897MEP Plumbing · Issued
  7. Oct 2, 2024P2500071MEP Plumbing · Issued
  8. Aug 29, 2024B2408115New Construction Commercial · Issued

Full permit history at this parcel · as of Aug 20, 2026.

Developer details
Permit #
B2509057
Canonical ID
243:B2509057
Source permit ID
B2509057
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