Permit Record

Alteration Commercial

1733 T St NW B, Washington, DC 20009

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Matthew Ossolinski
Owner
Richard Best
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
0151-0017
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
38.9158, -77.0399
Geocode confidence
95%
Geocode source
Not in source
Issued
Feb 26, 2014
Applied
Not in source
Work class
Not in source
Description
Source description

Renovate legal basement apartment unit including all interior walls and finishes. All work is interior except for repair of existing concrete (patching cracks) of masonry stoop and replacement of three basement windows with all-wood on-eover-one double-hung windows to fit original masonry openings.

Status
Current status
finaled
Source status
COMPLETED
Provenance
First seen (no changes since)
May 19, 2026 · 00:05 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

12 permits at this parcel (parcel 0151-0017) · Feb 26, 2014 – Mar 17, 2023

  1. Mar 17, 2023B2304786Alteration Commercial · Expired
  2. Jul 15, 2020E2009387MEP Electrical · Issued
  3. Jul 8, 2020P2007265MEP Plumbing · Issued
  4. Jan 14, 2020B2003856Alteration Commercial · Issued
  5. Nov 23, 2015E1601584MEP Electrical · Finaled
  6. Nov 9, 2015P1601176MEP Plumbing · Finaled
  7. Oct 1, 2015M1600009MEP Mechanical HVAC · Finaled
  8. Jul 6, 2015B1509477Alteration Commercial · Finaled
  9. Mar 12, 2015B1503425Alteration Commercial · Issued
  10. Oct 8, 2014E39868339MEP Electrical · Finaled
  11. Mar 27, 2014P1404328MEP Plumbing · Finaled
  12. Feb 26, 2014This permitAlteration Commercial · Finaled

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

Developer details
Permit #
B1403988
Canonical ID
243:B1403988
Source permit ID
B1403988
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