Introduction
Finding the right Structural Engineer in Chicago usually starts with a problem that can’t be ignored: a cracked foundation, sagging floors, a planned renovation that needs permit-ready calculations, or an older building that needs a professional opinion before money changes hands.
In this guide, you’ll learn what structural engineers do, what you should expect to pay in Chicago, and how to compare firms based on practical, real-world hiring criteria—not hype.
This list was evaluated using publicly available business information when known (firm background, service scope, and visible reputation signals). Many highly qualified structural firms do not maintain consumer-style review profiles, so review summaries and star ratings are listed as “Not publicly stated” where a reliable public signal wasn’t available.
About Structural Engineer
A Structural Engineer designs, evaluates, and helps ensure the safety of load-bearing systems—foundations, beams, columns, slabs, masonry, steel frames, wood framing, and connections. In a city like Chicago, that can mean anything from analyzing a century-old brick building to detailing structural systems for modern high-rises.
You typically need a structural engineer when you’re making changes that affect load paths (removing walls, adding a rooftop deck, cutting new openings), when damage is present (settlement cracks, water-related deterioration, fire damage), or when a municipality or lender requires stamped engineering documents.
Average cost in Chicago: Varies widely depending on scope. For residential consultations and letters, costs often fall in the hundreds to low thousands. For design, calculations, and permit drawings, costs commonly move into the thousands to tens of thousands depending on complexity, site constraints, and timeline. Hourly rates (when offered) vary by firm and engineer seniority and are often project-dependent.
Licensing/certifications: In Illinois, engineering work offered to the public generally requires a state license (commonly a Professional Engineer (PE), and for structural practice a Structural Engineer (SE) may be required depending on the work). Projects submitted for permits often require drawings sealed by an Illinois-licensed design professional. For current requirements, confirm with the City of Chicago permitting process and the Illinois licensing board (IDFPR).
Key takeaways
- Structural engineers focus on safety, load capacity, and code-compliant design—not cosmetic finishes.
- If you’re altering load-bearing elements, assume you’ll need an engineer early (before demo).
- Pricing in Chicago depends heavily on building type (vintage masonry vs. modern steel), access, and how fast you need deliverables.
- Verify licensure (Illinois PE/SE) and ask what deliverables you’ll receive (site visit notes, sealed letter, calculations, permit set).
How We Selected the Best Structural Engineer in Chicago
We used a practical set of selection criteria focused on outcomes homeowners, property managers, and developers care about:
- Years of experience (firm history, leadership background, and longevity when publicly available)
- Verified customer review signals (only publicly available signals when confidently known; otherwise “Not publicly stated”)
- Service range (residential assessment through complex commercial/forensic support)
- Pricing transparency (clear minimums, explainers, or expectations when publicly stated; otherwise noted)
- Local reputation (recognizable presence in the Chicago market, established offices, and demonstrated regional work)
Only publicly available information is reflected when known. Where a detail (like direct phone lines, public review summaries, or pricing) could not be confirmed reliably, it is listed as “Not publicly stated” rather than guessed.
About Chicago
Chicago is a dense, architecture-driven city with an enormous mix of building types—historic brick two-flats, courtyard apartments, high-rise towers, industrial loft conversions, and lakefront properties exposed to harsh weather cycles.
That variety drives strong demand for structural engineering across residential, commercial, and institutional work—especially for renovations, façade and balcony concerns, settlement movement, water intrusion impacts, and code-driven upgrades during remodeling.
Key neighborhoods served (commonly requested): The Loop, River North, Streeterville, West Loop, South Loop, Lincoln Park, Lakeview, Logan Square, Wicker Park, Bucktown, Hyde Park, Bridgeport, and surrounding areas. Neighborhood-specific coverage varies by firm and project type.
Top 5 Best Structural Engineer in Chicago
#1 — Wiss, Janney, Elstner Associates, Inc. (WJE)
- Rating: Not publicly stated
- Years of Experience: Founded 1956 (exact years vary / depends)
- Services Offered: Structural evaluation; forensic engineering; restoration and repair design; building enclosure consulting (varies by office/team); peer review; litigation support (as applicable)
- Price Range: Varies / depends (project-based; not publicly stated)
- Contact Phone: Not publicly stated
- Contact Email (if available): Not publicly stated
- Website (if available): https://www.wje.com/
- Google Map or ProfessNow or Yelp Link:
- Google Reviews Summary: Not publicly stated
- Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Premium / Complex investigations / Forensic and restoration-focused projects
#2 — Thornton Tomasetti
- Rating: Not publicly stated
- Years of Experience: Founded 1949 (exact years vary / depends)
- Services Offered: Structural engineering design; façade and building performance consulting (varies by practice group); existing building evaluation; resilience and rehabilitation support (as applicable); peer review (as applicable)
- Price Range: Varies / depends (project-based; not publicly stated)
- Contact Phone: Not publicly stated
- Contact Email (if available): Not publicly stated
- Website (if available): https://www.thorntontomasetti.com/
- Google Map or ProfessNow or Yelp Link:
- Google Reviews Summary: Not publicly stated
- Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Premium / High-complexity buildings / Large commercial and institutional work
#3 — Simpson Gumpertz & Heger (SGH)
- Rating: Not publicly stated
- Years of Experience: Founded 1956 (exact years vary / depends)
- Services Offered: Structural engineering; existing building investigation; building envelope consulting (varies by office/team); repair and rehabilitation; construction engineering support (as applicable)
- Price Range: Varies / depends (project-based; not publicly stated)
- Contact Phone: Not publicly stated
- Contact Email (if available): Not publicly stated
- Website (if available): https://www.sgh.com/
- Google Map or ProfessNow or Yelp Link:
- Google Reviews Summary: Not publicly stated
- Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Premium / Existing-building diagnostics / Technical peer review support
#4 — Klein & Hoffman
- Rating: Not publicly stated
- Years of Experience: Founded 1983 (exact years vary / depends)
- Services Offered: Structural assessment (as applicable); building rehabilitation consulting; façade and enclosure evaluation (as applicable); repair documents and construction administration support (varies / depends)
- Price Range: Varies / depends (project-based; not publicly stated)
- Contact Phone: Not publicly stated
- Contact Email (if available): Not publicly stated
- Website (if available): https://www.kleinandhoffman.com/
- Google Map or ProfessNow or Yelp Link:
- Google Reviews Summary: Not publicly stated
- Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Multi-family / Building rehabilitation planning / Owner and property manager support
#5 — Rubinos & Mesia Engineers, Inc.
- Rating: Not publicly stated
- Years of Experience: Not publicly stated
- Services Offered: Structural engineering design; investigations and evaluations (as applicable); renovation and retrofit support; construction-phase engineering support (varies / depends)
- Price Range: Varies / depends (project-based; not publicly stated)
- Contact Phone: Not publicly stated
- Contact Email (if available): Not publicly stated
- Website (if available): Not publicly stated
- Google Map or ProfessNow or Yelp Link:
- Google Reviews Summary: Not publicly stated
- Best For (Budget / Emergency / Premium / Family-Friendly / etc.): Renovations / Ongoing engineering support for repeat projects (varies / depends)
Comparison Table
| Professional | Rating | Experience | Price Range | Best For |
|---|---|---|---|---|
| Wiss, Janney, Elstner Associates, Inc. (WJE) | Not publicly stated | Founded 1956 | Varies / depends | Premium investigations, restoration, forensic work |
| Thornton Tomasetti | Not publicly stated | Founded 1949 | Varies / depends | Premium, complex commercial/institutional structures |
| Simpson Gumpertz & Heger (SGH) | Not publicly stated | Founded 1956 | Varies / depends | Diagnostics, peer review, existing-building expertise |
| Klein & Hoffman | Not publicly stated | Founded 1983 | Varies / depends | Building rehab planning and property management needs |
| Rubinos & Mesia Engineers, Inc. | Not publicly stated | Not publicly stated | Varies / depends | Renovations and ongoing project support |
Cost of Hiring a Structural Engineer in Chicago
In Chicago, structural engineering fees typically depend on whether you need a quick professional opinion, a sealed letter, or full permit drawings and construction support.
Average price range (typical scenarios):
- Site visit / consultation: Often in the hundreds to low thousands depending on travel, urgency, and documentation.
- Engineer’s letter or sealed observation report: Commonly hundreds to a few thousand, depending on analysis required and whether calculations are needed.
- Residential design + permit drawings (renovations, beams, openings, decks): Often a few thousand to several thousand+, depending on complexity.
- Commercial, multi-unit, or specialty scope: Frequently five figures and up, depending on size, risk, and deliverables.
Emergency pricing: Some firms may be able to expedite site visits or deliverables, but rush work is often priced higher and availability varies—especially during peak construction season. 24/7 emergency response is not universally offered.
What affects cost
- Size and type of structure (single-family vs. multi-story, masonry vs. steel/concrete)
- Whether work is investigative (diagnosis) or design (calculations and drawings)
- Permit requirements and level of documentation needed for City of Chicago review
- Access constraints (finished basements, tight crawlspaces, occupied units, roof access)
- Coordination needs (architect, contractor, HOA, property manager, attorney/insurance)
- Schedule (standard vs. expedited turnaround)
Frequently Asked Questions (FAQ)
How much does a Structural Engineer cost in Chicago?
Most Chicago projects vary by scope. Small consultations may be in the hundreds, while permit-ready designs and complex investigations can run into the thousands or more. Expect higher fees when calculations, drawings, and coordination are required.
How to choose the best Structural Engineer in Chicago?
Start with the problem type (cracks, renovation design, inspection letter, commercial peer review), then confirm Illinois licensure, relevant project experience, and clear deliverables. Ask how they document findings and what you’ll receive for permitting.
Are licenses required in Chicago?
Engineering services offered to the public in Illinois generally require state licensure (commonly PE, and SE for structural practice depending on the work). For permit submissions, Chicago typically requires sealed documents from an Illinois-licensed professional.
Do I need a structural engineer for a load-bearing wall removal?
Usually, yes. If the wall is load-bearing (or might be), a structural engineer can verify load paths and design the proper beam, columns, and connections, and provide drawings for permits and contractor pricing.
Can a structural engineer write a letter for cracks in my foundation?
Often, yes—if the engineer can inspect and determine a cause and risk level. Whether a sealed letter is appropriate depends on what’s observed and whether additional investigation is needed.
Who offers 24/7 service in Chicago?
Not publicly stated. Many structural firms operate during standard business hours, with limited emergency availability depending on staffing and active project load. If you have an urgent safety concern, call and ask about expedited response times.
What should I ask before hiring a structural engineer?
Ask about (1) Illinois license type (PE/SE), (2) similar Chicago projects, (3) what deliverables you’ll receive (letter, calculations, drawings), (4) timeline, (5) fees and what’s included, and (6) whether construction support is available.
Will a structural engineer work directly with my contractor or architect?
Many do, but it varies by firm and project. If you already have an architect or GC, ask the engineer how coordination works and whether they will respond to field questions and revised conditions during construction.
How long does a structural inspection take?
A basic site visit can take from under an hour to several hours depending on access and complexity. Reporting time varies—especially if calculations, research, or follow-up visits are needed.
Do structural engineers handle permits in Chicago?
Engineers typically produce the sealed documents needed for permit submission. Whether they submit directly or your architect/contractor handles filing depends on the project team setup and what’s agreed in the proposal.
Final Recommendation
If you need a high-stakes investigation, complex existing-building diagnostics, or restoration planning (especially on larger buildings), start with firms like WJE or SGH where deep forensic and evaluation work is a core service.
For large commercial/institutional projects or advanced structural design challenges, Thornton Tomasetti is a strong fit based on its established structural engineering practice and complex project profile.
If you’re a property manager or association planning façade or building rehabilitation work and you want a consulting-forward approach, Klein & Hoffman is worth shortlisting.
For ongoing renovation support where you need an engineering partner for repeat projects, Rubinos & Mesia Engineers, Inc. may be a practical option—confirm scope fit, timelines, and deliverables during the first call.
Get Your Business Listed
If you’re a Structural Engineer in Chicago and want your details added or updated in this guide, email contact@professnow.com. You can also registe & Update yourself at https://professnow.com/.