Permit Record

Alteration Commercial

511 11th St SE, Washington, DC 20003

ClassificationCONSTRUCTION - ALTERATION AND REPAIRCommercial Alteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
David S Den Daas
Owner
Johannes Cassidy-Seymour
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
0973-0063
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
38.8823, -76.9918
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 30, 2025
Applied
Not in source
Work class
Mixed
Description
Source description

As an A-3 assembly use, the new use will be M mercantile. The business will operate a medical cannabis dispensary to comply with all ABCA regulations. According to the building owner the previous tenant was a dance studio that was required to comply with higher fresh air requirement in the mechanical code. All existing partitions will remain. There is no change to the existing HVAC system, plumbing locations, restrooms, power locations, electrical panel, or lighting locations and fixtures. The amount of electrical outlets will not change per the requirements of chapter 10 of the building code and NEMA 70, the ceiling will remain undisturbed. The new work is painting and installation of shelving, non-bearing partitions, and paint/finishes. There are no wall coverings being applied to any surface. the existing flooring will remain. There is no change to the egress system, pathways, door, widths, or hardware. The space will continue to meet the egress requirements of the higher hazard occupancy (A-3)

Status
Current status
finaled
Source status
COMPLETED
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

12 permits at this parcel (parcel 0973-0063) · Apr 22, 2010 – Jan 30, 2025

  1. Jan 30, 2025This permitAlteration Commercial · Finaled
  2. Jan 18, 2024P2403000MEP Plumbing · Issued
  3. Jan 17, 2024P2402845MEP Plumbing · Expired
  4. Sep 7, 2012B1211918Alteration Commercial · Finaled
  5. Dec 22, 2010M1100524MEP Mechanical HVAC · Finaled
  6. Dec 22, 2010E1102026MEP Electrical · Finaled
  7. Dec 14, 2010P1101686MEP Plumbing · Finaled
  8. Oct 5, 2010B1006456Alteration Commercial · Finaled
  9. Oct 5, 2010SG1000365Sign · Expired
  10. Aug 4, 2010B1008724Alteration Commercial · Expired
  11. Jul 9, 2010B1007780Alteration Commercial · Expired
  12. Apr 22, 2010B1002588Alteration Commercial · Finaled

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

Developer details
Permit #
B2408930
Canonical ID
243:B2408930
Source permit ID
B2408930
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