Contractor Profile
O'Brien & O'Brien LLC
O'Brien & O'Brien LLC is a diversified Chicago contractor — 34 segment-eligible permits spanning 4 segments, led by residential alteration (41%) and commercial alteration (29%). Its permit record in Chicago spans 2016–2026. Reliable permit valuations total ≈$5.1M (across the 94% of filings with a valuation we can stand behind).
First permit: Jan 13, 2016 (3,883d ago)Latest permit: Apr 2, 2026 (151d ago)
The sales record
- Market
- Chicago
- Active
- 2016–2026 · 10 yrs
- Licence IDs on their permits
- —
- Reliable value
- $5.1M
- Coverage
- 94%
- Reliable filings
- 32
- Rank in Chicago
- #1,293
- Permits (all-time, all segments)
- 50
- Filings 90d
- 0
- Filings 30d
- 0
- Latest permit
- Apr 2, 2026
Typical project size$73Ktypically $54K–$320K across 32 valued permits
Where they work
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 ’240–2 permits/moApr ’26
permits per month permit value
Service area
Typical service area ~5 mi in Chicago
The p90 footprint of where O'Brien & O'Brien LLC has pulled permits in Chicago — drawn from all 50 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- Chicago50
Recent permitsLargest recent$450K· 6126 S Eberhart Ave, Chicago, IL
Showing 20 of 34 permits by O'Brien & O'Brien LLC in the indexed window · most recent first
Sort
- Apr 2, 2026Multifamily New Construction6402 S Vernon Ave, Chicago, ILNew Construction Residential Mf$50Kapplied Feb 25, 2026
- Mar 4, 2026Commercial Alteration6404 S Vernon Ave, Chicago, ILAlteration$50Kapplied Jan 5, 2026
- Jun 13, 2025Residential New (Single-Family)6404 S Vernon Ave, Chicago, ILNew Construction Residential Sf$350Kapplied Mar 20, 2025
- Jun 13, 2025Residential New (Single-Family)6402 S Vernon Ave, Chicago, ILNew Construction Residential Sf$350Kapplied Mar 19, 2025
- May 13, 2025Commercial Alteration8022 S Ellis Ave, Chicago, ILAlteration$400Kapplied Feb 5, 2025
- May 6, 2025Commercial Alteration7844 S Emerald Ave, Chicago, ILAlteration$185Kapplied Feb 13, 2025
- Jan 8, 2025Residential New (Single-Family)6408 S Vernon Ave, Chicago, ILNew Construction Residential Sf$350Kapplied Oct 2, 2024
- Nov 20, 2024Residential New (Single-Family)6410 S Vernon Ave, Chicago, ILNew Construction Residential Sf$350Kapplied Oct 2, 2024
- Aug 16, 2024Residential Alteration7344 S Marshfield Ave, Chicago, ILAlteration$55Kapplied Jul 8, 2024
- Jul 22, 2024Residential Alteration7131 S Marshfield Ave, Chicago, ILAlteration$60Kapplied Jun 19, 2024
- Apr 9, 2024Commercial Alteration7359 S Emerald Ave, Chicago, ILAlteration$180Kapplied Jan 18, 2024
- Apr 8, 2024Commercial Alteration7237 S Emerald Ave, Chicago, ILAlteration$180Kapplied Mar 7, 2024
- Jan 3, 2024Residential Alteration7233 S Emerald Ave, Chicago, ILAlteration$120Kapplied Nov 22, 2023
- Jul 25, 2023Residential Alteration3325 W Palmer St, Chicago, ILAlteration$100 ⚠applied Jun 22, 2023
- Apr 6, 2023Residential Alteration7801 S Union Ave, Chicago, ILAlteration$80Kapplied Mar 27, 2023
- Mar 1, 2023Residential Alteration7134 S Hermitage Ave, Chicago, ILAlteration$60Kapplied Dec 1, 2022
- Oct 18, 2022Residential Alteration7232 S Paulina St, Chicago, ILAlteration$60Kapplied Aug 31, 2022
- Sep 13, 2022Multifamily New Construction6126 S Eberhart Ave, Chicago, ILNew Construction Residential Mf$450Kapplied Sep 7, 2022
- Apr 25, 2022Residential Alteration7241 S Hermitage Ave, Chicago, ILAlteration$85Kapplied Jan 26, 2022
- Mar 14, 2022Multifamily New Construction6418 S Champlain Ave, Chicago, ILNew Construction Residential Mf$320Kapplied Oct 6, 2021
Apr 2, 2026 applied Feb 25, 2026 | 6402 S Vernon Ave, Chicago, IL | Multifamily New Construction | $50K |
Mar 4, 2026 applied Jan 5, 2026 | 6404 S Vernon Ave, Chicago, IL | Commercial Alteration | $50K |
Jun 13, 2025 applied Mar 20, 2025 | 6404 S Vernon Ave, Chicago, IL | Residential New (Single-Family) | $350K |
Jun 13, 2025 applied Mar 19, 2025 | 6402 S Vernon Ave, Chicago, IL | Residential New (Single-Family) | $350K |
May 13, 2025 applied Feb 5, 2025 | 8022 S Ellis Ave, Chicago, IL | Commercial Alteration | $400K |
May 6, 2025 applied Feb 13, 2025 | 7844 S Emerald Ave, Chicago, IL | Commercial Alteration | $185K |
Jan 8, 2025 applied Oct 2, 2024 | 6408 S Vernon Ave, Chicago, IL | Residential New (Single-Family) | $350K |
Nov 20, 2024 applied Oct 2, 2024 | 6410 S Vernon Ave, Chicago, IL | Residential New (Single-Family) | $350K |
Aug 16, 2024 applied Jul 8, 2024 | 7344 S Marshfield Ave, Chicago, IL | Residential Alteration | $55K |
Jul 22, 2024 applied Jun 19, 2024 | 7131 S Marshfield Ave, Chicago, IL | Residential Alteration | $60K |
Apr 9, 2024 applied Jan 18, 2024 | 7359 S Emerald Ave, Chicago, IL | Commercial Alteration | $180K |
Apr 8, 2024 applied Mar 7, 2024 | 7237 S Emerald Ave, Chicago, IL | Commercial Alteration | $180K |
Jan 3, 2024 applied Nov 22, 2023 | 7233 S Emerald Ave, Chicago, IL | Residential Alteration | $120K |
Jul 25, 2023 applied Jun 22, 2023 | 3325 W Palmer St, Chicago, IL | Residential Alteration | $100 ⚠ |
Apr 6, 2023 applied Mar 27, 2023 | 7801 S Union Ave, Chicago, IL | Residential Alteration | $80K |
Mar 1, 2023 applied Dec 1, 2022 | 7134 S Hermitage Ave, Chicago, IL | Residential Alteration | $60K |
Oct 18, 2022 applied Aug 31, 2022 | 7232 S Paulina St, Chicago, IL | Residential Alteration | $60K |
Sep 13, 2022 applied Sep 7, 2022 | 6126 S Eberhart Ave, Chicago, IL | Multifamily New Construction | $450K |
Apr 25, 2022 applied Jan 26, 2022 | 7241 S Hermitage Ave, Chicago, IL | Residential Alteration | $85K |
Mar 14, 2022 applied Oct 6, 2021 | 6418 S Champlain Ave, Chicago, IL | Multifamily New Construction | $320K |
Sites O'Brien & O'Brien LLC returns to1 in Chicago
Addresses where O'Brien & O'Brien LLC 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
- Frackiel Builders, Incorporated1,721 residential alteration
- Mr. Porch, Incorporated1,218 residential alteration
- Gonzon Construction1,145 residential alteration
- Solid Remodelers, INC.633 residential alteration
- O.A.K.K. Construction CO., INC.572 residential alteration
- Father And Sons Home Improvement Ii, INC.480 residential alteration
Put O'Brien & O'Brien LLC 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.