Contractor Profile

Oak Brook Mech Sys In

Oak Brook Mech Sys In is a specialist residential alteration contractor in Chicago — all 12 of its segment-eligible permits fall in residential alteration. Its permit record in Chicago spans 2007–2023.

First permit: Jan 17, 2007 (7,166d ago)Latest permit: May 15, 2023 (1,204d ago)
The sales record
Market
Chicago
Active
2007–2023 · 16 yrs
Licence IDs on their permits
Reliable value
Coverage
Reliable filings
Rank in Chicago
#2,317
Permits (all-time, all segments)
27
Filings 90d
0
Filings 30d
0
Latest permit
May 15, 2023
Typical project sizeNot enough valued permits to summarize.
Where they work

Primarily Residential Alteration 100% of 12 segment-classified permits

Ranked #1,395 in the Chicago Residential Alteration leaderboard →
Firmographics
License & registration IDs on fileNot in our data — we don’t hold licensing-board registries, and this city’s permit records carry no licence number. This is a gap in our coverage, not a statement about this firm’s licensure.
Direct contactNot in our data — we don’t fabricate firmographics.
What we won’t fabricate

Oak Brook Mech Sys In has 27 permits, but too few carry a value we can stand behind — so we publish for reliable value, never a guess. They still rank by volume; the dollar figure stays honest.

Below our reliability threshold — too few filings carry a value we stand behind
Service area

Typical service area ~7 mi in Chicago

The p90 footprint of where Oak Brook Mech Sys In has pulled permits in Chicago — drawn from all 27 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • Chicago27
Find Residential Alteration contractors near your branchEnter your address — see who’s pulling these permits in your radius.
Recent permits

Showing 12 of 12 permits by Oak Brook Mech Sys In in the indexed window · most recent first

Sort
May 6, 2022
1451 E 55th St, Chicago, IL
Residential Alteration
Dec 14, 2017
3600 N Lake Shore Dr, Chicago, IL
Residential Alteration
Apr 3, 2014
1749 N Wells St, Chicago, IL
Residential Alteration
Mar 19, 2014
1700 E 56th St, Chicago, IL
Residential Alteration
Mar 9, 2012
29 N Wacker Dr, Chicago, IL
Residential Alteration
Feb 28, 2011
230 E Ontario St, Chicago, IL
Residential Alteration
Feb 28, 2011
25 E Pearson St, Chicago, IL
Residential Alteration
Sep 20, 2010
applied Sep 17, 2010
1310 N Ritchie Ct, Chicago, IL
Residential Alteration
May 14, 2010
2211 N Oak Park Ave, Chicago, IL
Residential Alteration
Apr 26, 2007
100 E Bellevue Pl, Chicago, IL
Residential Alteration
Apr 23, 2007
1555 N Dearborn Pkwy, Chicago, IL
Residential Alteration
Jan 17, 2007
3930 N Pine Grove Ave, Chicago, IL
Residential Alteration
Sites Oak Brook Mech Sys In returns to6 in Chicago

Addresses where Oak Brook Mech Sys In has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.

Other top Residential Alteration contractors in Chicago
See the full Chicago Residential Alteration leaderboard →

Put Oak Brook Mech Sys In on your call list.

Watch this contractor, get a daily email when they pull a new permit, and explore Chicago permits in the Market Explorer — enriched and parcel-joined.