Permit Record

Alteration Commercial

31 U St NW, Washington, DC 20001

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Na Na; Joel Heisey
Owner
Seinos, Angel G
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
3117-0010
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
DECK
Geocode & dates
Coordinates
38.9172, -77.0102
Geocode confidence
95%
Geocode source
Not in source
Issued
Jun 23, 2026
Applied
Not in source
Work class
Residential
Description
Source description

HISTORIC - Rebuild existing deck in-kind. - New trellis above deck.

Status
Current status
issued
Source status
PERMIT ISSUED
Provenance
First seen by PermitCore
Jun 25, 2026 · 11:51 UTC
Last seen
Aug 13, 2026 · 10:20 UTC
Last changed
Aug 13, 2026 · 10:20 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 3117-0010) · Aug 24, 2016 – Jun 23, 2026

  1. Jun 23, 2026This permitAlteration Commercial · Issued
  2. Aug 18, 2022P2209142MEP Plumbing · Finaled
  3. Mar 21, 2022E2205400MEP Electrical · Finaled
  4. Mar 18, 2022P2204677MEP Plumbing · Finaled
  5. Jul 26, 2017P1707825MEP Plumbing · Finaled
  6. Jul 19, 2017EG1704218Other · Finaled
  7. Apr 7, 2017B1706833Alteration Commercial · Finaled
  8. Aug 24, 2016M1603263MEP Mechanical HVAC · Expired

Full permit history at this parcel · as of Aug 13, 2026.

Developer details
Permit #
DK2600285
Canonical ID
243:DK2600285
Source permit ID
DK2600285
Browse Washington, DC permits in the Market Explorer →Pull this permit via /v1/permits →