Permit Record

Alteration Commercial

511 Lamont St NW, Washington, DC 20010

ClassificationAlteration
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Olusola Pyne
Owner
Dc Development LLC
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
3043-0042
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
38.9314, -77.0206
Geocode confidence
95%
Geocode source
Not in source
Issued
May 29, 2018
Applied
Not in source
Work class
Residential
Description
Source description

NEW REAR 2-STORY DECK AND SPIRAL STAIRCASE, NEW WINDOW WELL

Status
Current status
expired
Source status
EXPIRED
Provenance
First seen (no changes since)
May 19, 2026 · 00:10 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

7 permits at this parcel (parcel 3043-0042) · Mar 24, 2016 – May 29, 2018

  1. May 29, 2018This permitAlteration Commercial · Expired
  2. Apr 17, 2018P1805237MEP Plumbing · Expired
  3. Sep 11, 2017E1710213MEP Electrical · Finaled
  4. Sep 11, 2017P1708984MEP Plumbing · Finaled
  5. Sep 11, 2017M1703769MEP Mechanical HVAC · Finaled
  6. Aug 3, 2017B1608129Addition Residential · Finaled
  7. Mar 24, 2016PC56435277Other · Issued

Full permit history at this parcel · as of Jul 8, 2026.

Developer details
Permit #
B1809326
Canonical ID
243:B1809326
Source permit ID
B1809326
Browse Washington, DC permits in the Market Explorer →Pull this permit via /v1/permits →