Contractor Profile

J Armstrong Construction LLC

J Armstrong Construction LLC concentrates in residential alteration in Chicago (64% of its 11 segment-eligible permits), with secondary activity across 1 other segment. Its permit record in Chicago spans 2018–2025. Reliable permit valuations total ≈$548K (across the 100% of filings with a valuation we can stand behind).

First permit: Sep 3, 2018 (2,920d ago)Latest permit: Aug 21, 2025 (376d ago)
The sales record
Market
Chicago
Active
2018–2025 · 7 yrs
Licence IDs on their permits
Reliable value
$548K
Coverage
100%
Reliable filings
11
Rank in Chicago
#3,138
Permits (all-time, all segments)
18
Filings 90d
0
Filings 30d
0
Latest permit
Aug 21, 2025
Typical project size$45Ktypically $16K–$55K across 11 valued permits
Where they work

Primarily Residential Alteration 64% of 11 segment-classified permits

Ranked #2,321 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.
Monthly activity
Aug ’240–1 permits/moAug ’25
permits per month permit value
Service area

Typical service area ~8 mi in Chicago

The p90 footprint of where J Armstrong Construction LLC has pulled permits in Chicago — drawn from all 18 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • Chicago18
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Showing 11 of 11 permits by J Armstrong Construction LLC in the indexed window · most recent first

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Aug 21, 2025
applied Apr 30, 2025
6444 S Wood St, Chicago, IL
Residential Alteration
$175K
Jul 30, 2025
applied Oct 2, 2024
1735 E 83rd St, Chicago, IL
Residential Alteration
$12K
Aug 20, 2024
applied Aug 15, 2024
3736 W Cermak Rd, Chicago, IL
Commercial Alteration
$30K
Feb 29, 2024
applied Sep 19, 2023
6822 S Justine St, Chicago, IL
Commercial Alteration
$100K
Feb 21, 2023
8241 S La Salle St, Chicago, IL
Residential Alteration
$50K
Sep 9, 2022
applied Jul 28, 2022
3234 W Division St, Chicago, IL
Commercial Alteration
$45K
Apr 29, 2022
applied Sep 7, 2021
310 E 109th St, Chicago, IL
Residential Alteration
$60K
Jan 31, 2022
9725 S Woodlawn Ave, Chicago, IL
Residential Alteration
$3K
Sep 2, 2021
7105 S Ellis Ave, Chicago, IL
Residential Alteration
$50K
Aug 4, 2021
1355 W Washington Blvd, Chicago, IL
Commercial Alteration
$20K
Jan 31, 2020
7940 S Carpenter St, Chicago, IL
Residential Alteration
$3K
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