Permit Record

Alteration Commercial

424 Delafield Pl NW, Washington, DC 20011

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Jonathan Gronning
Owner
Sheriff, Tasneem
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
3251-0169
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
38.9491, -77.0183
Geocode confidence
95%
Geocode source
Not in source
Issued
Feb 23, 2026
Applied
Not in source
Work class
Residential
Description
Source description

RENOVATION TO EXISTING BASEMENT TO CREATE A NEW OFFICE.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen by PermitCore
May 6, 2026 · 20:51 UTC
Last seen
Aug 28, 2026 · 20:51 UTC
Last changed
Aug 19, 2026 · 09:43 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

10 permits at this parcel (parcel 3251-0169) · Jan 5, 2015 – Feb 23, 2026

  1. Feb 23, 2026This permitAlteration Commercial · Issued
  2. Feb 13, 2026BP2601625Other · Issued
  3. Jan 15, 2019AR59846422MEP Mechanical HVAC · Finaled
  4. Jan 24, 2017EH1701596Other · Finaled
  5. Jul 8, 2016B1610350Alteration Commercial · Issued
  6. Apr 19, 2016B1607231Alteration Commercial · Issued
  7. Nov 18, 2015AR29111888MEP Mechanical HVAC · Issued
  8. Oct 14, 2015E1600429MEP Electrical · Finaled
  9. Sep 29, 2015P1509414MEP Plumbing · Finaled
  10. Jan 5, 2015B1503008Alteration Commercial · Finaled

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

Developer details
Permit #
B2602176
Canonical ID
243:B2602176
Source permit ID
B2602176
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