Alteration Residential
1451 W Pensacola Ave, Chicago, IL
ClassificationPERMIT - RENOVATION/ALTERATIONResidential Alteration
Reliable value$1,000
ContractorBay Construction Management, LLC →
Permit record
Parties
- Contractor
- Bay Construction Management, LLC
- Applicant
- Not in source
- Owner
- Nathan Laporte
- 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
- 1417302016
- Climate zone (IECC)
- 5A
- 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
- Not in source
Geocode & dates
- Coordinates
- 41.9606, -87.6664
- Geocode confidence
- 90%
- Geocode source
- Not in source
- Issued
- Nov 4, 2025
- Applied
- Oct 1, 2025
- Work class
- Residential
Description
Source description
REVISION TO SELF CERT PERMIT 01062169 - REVISION TO THE 3RD FLOOR PLAN TO PROVIDE DIRECT ACCESS TO EXTERIOR STAIRWAY AND OMIT PROPOSED SPRINKLER SYSTEM FROM PERMIT.SC SELF-CERT 2019 CBRC: INTERIOR ALTERATION OF EXISTING 2-STORY SINGLE FAMILY RESIDENCE ON ALL LEVELS AS PER PLANS, NEW PERIMETER FOUNDATION AT EXISTING REAR 2 STORY ADDITION, EXTENSION OF REAR ADDITION INTO ATTIC FOR NEW BEDROOM, NEW STAIR INTO ATTIC AND EXTENDED HEIGHT OF OF WEST ATTIC EXTERIOR WALL AND ROOF. NEW REAR EXTERIOR STAIRWAY, OCCUPANCY GROUP R-5, VA CONSTRUCTION.
Status
- Current status
- issued
- Source status
- ACTIVE
Provenance
- First seen by PermitCore
- May 2, 2026 · 13:11 UTC
- Last seen
- May 15, 2026 · 08:49 UTC
- Last changed
- May 12, 2026 · 00:35 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
- Nov 4, 2025This permitAlteration Residential · Issued$1,000Bay Construction Management, LLC
- Aug 1, 2025101062169Alteration Residential · Issued$300,000Bay Construction Management, LLC
Full permit history at this parcel · as of Jul 8, 2026.
Other permits by Bay Construction Management, LLC
Developer details
- Permit #
- 101074950
- Canonical ID
- 3:101074950
- Source permit ID
- 101074950