Permit Record

Alteration Residential

603 S Potomac St, Baltimore, MD

ClassificationDwelling: RowhouseResidential Alteration
Reliable value$4,500
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Not in source
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
1843A002
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
R
Building subtype
Dwelling: Rowhouse
Geocode & dates
Coordinates
39.2852, -76.5741
Geocode confidence
100%
Geocode source
geocodio
Issued
Apr 6, 2026
Applied
Not in source
Work class
Residential
Description
Source description

Scope of Work: Exterior alterations to include: Deck construction: To construct a 13'-8" x 19'-0" roof deck to replace existing roof deck. as per code as per plans Mech., Elec., and plumbing permits to obtain separately if needed.

Status
Current status
issued
Source status
Issued
Expired
Oct 3, 2026
Provenance
First seen by PermitCore
May 20, 2026 · 02:36 UTC
Last seen
Jun 25, 2026 · 00:50 UTC
Last changed
May 20, 2026 · 02:36 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

2 permits at this parcel (parcel 1843A002) · Jun 7, 2024 – Apr 6, 2026

  1. Apr 6, 2026This permitAlteration Residential · Issued$4,500
  2. Jun 7, 2024baltimore_COM2024-69428MEP Mechanical HVAC · Issued$5,000

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

Developer details
Permit #
baltimore_BRCM-26-006757
Canonical ID
337:baltimore_BRCM-26-006757
Source permit ID
baltimore_BRCM-26-006757
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