Permit Record

Alteration Commercial

1649 Newton St NW, Washington, DC 20010

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Null Null; Tiffani Merson
Owner
Not in source
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
2621-0709
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
38.9342, -77.0382
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 11, 2022
Applied
Not in source
Work class
Residential
Description
Source description

Mount Pleasant Historic District exterior waterproofing. excavate along 12 LF of foundation wall and 5 deep apply waterproofing rubber sealant and protection board backfill to proper grade

Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen (no changes since)
May 19, 2026 · 00:14 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

5 permits at this parcel (parcel 2621-0709) · May 10, 2010 – Oct 11, 2022

  1. Oct 11, 2022This permitAlteration Commercial · Finaled
  2. Sep 23, 2022E2211953MEP Electrical · Issued
  3. Nov 3, 2015SC1600013Other · Issued
  4. May 14, 2010B1005895Alteration Commercial · Expired
  5. May 10, 2010HO1000630Other · Finaled

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

Developer details
Permit #
B2300109
Canonical ID
243:B2300109
Source permit ID
B2300109
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