What Should I Look for When Choosing a Structural Engineer for a Commercial Project?
Choosing the right structural engineer can significantly affect the cost, schedule, permitting, constructability, and long-term performance of a commercial project. Whether you are developing a retail center, office building, warehouse, restaurant, medical facility, multifamily property, or tenant improvement, the structural engineer should do more than produce calculations and drawings.
A qualified commercial structural engineer should understand how the building will be designed, permitted, constructed, occupied, maintained, and modified over time.
Before hiring an engineering firm, evaluate its experience, communication, technical approach, and ability to coordinate with the rest of the project team. The lowest engineering fee does not always produce the lowest overall project cost.
1. Relevant Commercial Project Experience
Structural engineering is not a one-size-fits-all service. A firm that primarily works on small residential projects may not have the experience needed to manage the coordination, loading conditions, construction systems, and permitting requirements associated with a commercial development.
Look for a structural engineer with experience related to your specific project type, such as:
Retail and restaurant buildings
Office and medical facilities
Warehouses and industrial buildings
Multifamily developments
Commercial additions and renovations
Tenant improvements
Foundation systems
Structural repairs and rehabilitation
Roof-mounted equipment and mechanical upgrades
Retaining walls and site structures
Relevant experience allows the engineer to identify potential design and construction issues before they become expensive field problems.
Ask whether the engineer has worked with the proposed structural materials and systems, including structural steel, reinforced concrete, masonry, wood framing, post-tensioned foundations, conventional reinforced foundations, or pre-engineered building components.
2. Proper Licensing and Professional Qualifications
The structural engineer responsible for the project should be appropriately licensed in the state where the property is located.
Confirm that the engineer can prepare, sign, and seal the required structural documents. Depending on the project and jurisdiction, those documents may include:
Structural engineering plans
Foundation plans
Structural calculations
Framing plans
Connection details
Repair details
Inspection reports
Certification letters
Responses to municipal plan-review comments
Professional licensure is important, but it should not be the only qualification considered. Commercial projects also require sound judgment, practical construction knowledge, and the ability to communicate engineering decisions clearly.
3. A Clear and Complete Scope of Services
One of the most common causes of disagreement during a commercial project is an unclear engineering scope.
Before authorizing work, make sure the proposal explains exactly what the structural engineer will provide. The scope should identify the included services, deliverables, exclusions, schedule, payment terms, and anticipated coordination responsibilities.
A commercial structural engineering proposal may include:
Review of architectural and civil documents
Review of geotechnical recommendations
Structural analysis and calculations
Foundation design
Floor and roof framing design
Structural connection details
Lateral-force-resisting system design
Retaining wall or equipment-support design
Signed and sealed construction documents
Responses to permit-review comments
Construction-phase engineering support
Site observations or special inspections
Do not assume that every service is included. For example, site visits, shop-drawing reviews, construction administration, revisions caused by owner changes, and responses to contractor requests may require additional authorization.
A detailed scope protects the owner, design team, contractor, and engineer.
4. Understanding of Constructability
A technically correct design can still create unnecessary complications during construction.
The best structural engineers consider how the design will actually be built. They evaluate material availability, installation sequencing, access limitations, trade coordination, field tolerances, connection requirements, and the contractor’s ability to execute the details safely.
Constructability-focused engineering can help reduce:
Unnecessary material use
Complicated framing conditions
Difficult connections
Conflicts between structural and MEP systems
Excessive field modifications
Requests for information
Construction delays
Change orders
Ask the engineer how constructability is considered during design. The response should demonstrate an understanding of both structural performance and real-world construction.
5. Coordination With the Full Design Team
Commercial projects typically involve several disciplines working simultaneously. The structural engineer must coordinate with the architect, civil engineer, geotechnical engineer, mechanical engineer, electrical engineer, plumbing engineer, fire-protection designer, contractor, and specialty consultants.
Poor coordination can result in problems such as:
Mechanical openings through structural members
Columns conflicting with doors or equipment
Foundations interfering with underground utilities
Roof framing that does not support mechanical units
Drainage systems conflicting with grade beams
Architectural dimensions that do not match structural framing
Inadequate support for façade or storefront systems
Conflicting elevations between disciplines
Ask how the structural engineer manages interdisciplinary coordination. A reliable engineer should actively review the documents that affect the structural design rather than working in isolation.
6. Familiarity With Permitting and Building-Code Requirements
A commercial structural engineer should understand the codes and standards applicable to the project.
Depending on the building type and location, the design may involve requirements from the International Building Code, local amendments, ASCE standards, ACI, AISC, TMS, NDS, and other referenced publications.
The engineer should also understand the local permitting process. Municipal reviewers may request calculations, design criteria, special-inspection requirements, deferred-submittal information, or clarification of specific structural details.
Look for an engineer who can provide permit-ready documents and respond promptly to review comments. An incomplete structural package can delay permit approval even when the architectural plans are substantially complete.
7. Experience With Existing Buildings
Commercial renovations, additions, change-of-use projects, and tenant improvements often require a different approach than new construction.
Existing buildings may contain undocumented modifications, concealed deterioration, outdated materials, incomplete plans, or structural systems that do not match the available records.
For an existing commercial property, the structural engineer may need to:
Review original construction documents
Perform a site investigation
Document visible structural conditions
Verify framing dimensions and member locations
Evaluate changes in occupancy or loading
Assess proposed wall removals
Review new rooftop equipment
Identify structural deterioration
Develop repair or strengthening details
Be cautious when an engineer proposes designing major alterations to an existing building without discussing field verification. Existing conditions should not be assumed when they materially affect the design.
8. Strong Communication and Responsiveness
Technical knowledge is essential, but communication can determine whether the project moves smoothly.
A commercial structural engineer should be able to explain complex conditions in language that owners, architects, contractors, and municipal reviewers can understand. The engineer should also establish realistic expectations for deliverables and response times.
Ask questions such as:
Who will be the primary point of contact?
Who will perform the design?
How quickly are emails and contractor questions typically addressed?
How are design changes managed?
What is the expected turnaround for plan-review comments?
How will schedule concerns be communicated?
Slow or unclear communication can delay multiple members of the project team. Responsiveness is especially important during permitting and active construction.
9. Detailed, Usable Construction Documents
Structural plans should be clear enough for permitting, bidding, coordination, and construction.
A good structural plan set should not force the contractor to guess at critical design requirements. The drawings should clearly communicate member sizes, reinforcement, connections, dimensions, elevations, design notes, material specifications, and applicable details.
Depending on the project, structural deliverables may include:
Foundation plans
Slab and grade-beam details
Column and wall schedules
Floor-framing plans
Roof-framing plans
Beam and lintel schedules
Shear-wall or bracing information
Structural sections
Connection details
Equipment-support details
General structural notes
Special-inspection requirements
Ask to review examples of the firm’s work when appropriate. The drawings should appear organized, coordinated, and suitable for actual construction—not merely permit approval.
10. A Practical Approach to Cost and Value Engineering
The structural engineer’s fee represents only a small portion of the total construction budget, but the engineer’s decisions can influence a much larger amount of project cost.
An experienced engineer should look for opportunities to produce an efficient design without compromising safety, durability, or code compliance.
Value engineering may include:
Selecting an appropriate foundation system
Reducing unnecessary structural complexity
Coordinating column spacing with the building layout
Using readily available member sizes
Simplifying repetitive framing
Avoiding excessive reinforcement
Evaluating practical alternatives
Reducing conflicts that lead to change orders
The goal is not simply to use less material. Effective value engineering balances initial cost, construction labor, availability, schedule, performance, and long-term maintenance.
11. Construction-Phase Availability
Structural engineering involvement should not necessarily end when the permit is issued.
Questions frequently arise during construction. Existing conditions may differ from the plans, manufacturers may submit alternate products, and contractors may request modifications.
Determine whether the engineer is available to provide:
Shop-drawing reviews
Responses to requests for information
Field observations
Review of substitutions
Clarification sketches
Repair details
Documentation of unexpected conditions
Final structural letters when required
An engineer who understands the original design can often resolve field issues more efficiently than a new consultant brought in after construction has started.
12. Professional Judgment Rather Than the Lowest Fee
Engineering proposals should be compared carefully. A lower fee may reflect a reduced scope, fewer details, limited coordination, no construction support, or assumptions that shift responsibility to others.
When reviewing proposals, compare:
Scope of work
Number and type of deliverables
Included site visits
Permit support
Construction-phase services
Schedule
Relevant experience
Communication expectations
Exclusions and additional-service rates
The most appropriate structural engineer is usually the firm that offers the best overall value, not simply the lowest initial price.
Questions to Ask Before Hiring a Commercial
Structural Engineer
Consider asking the following questions during the selection process:
Have you completed projects similar to mine?
Who will be responsible for the engineering work?
Are you licensed to practice in the project’s state?
What services are included in your proposal?
Will the plans be signed and sealed?
Are structural calculations included?
How will you coordinate with the architect and other engineers?
Does your scope include permit-review responses?
Are site visits or construction observations included?
How are owner-requested revisions handled?
What information do you need before beginning?
What is the anticipated design schedule?
Will you be available during construction?
What conditions could result in additional fees?
How do you approach constructability and value engineering?
The answers should be clear, specific, and consistent with the written proposal.
Warning Signs to Watch For
Be cautious when a structural engineer:
Provides a vague or extremely limited proposal
Cannot explain the intended deliverables
Has little relevant commercial experience
Does not request architectural or geotechnical information
Avoids discussing coordination responsibilities
Promises an unrealistic schedule
Is difficult to reach before being hired
Plans to rely heavily on unverified existing conditions
Excludes permit support without clearly stating it
Focuses only on price rather than project requirements
These issues do not automatically mean the engineer is unqualified, but they should be resolved before work begins.
Choosing the Right Commercial Structural Engineer
The right structural engineer should bring technical knowledge, commercial-project experience, practical judgment, clear communication, and a collaborative approach to the design process.
Look for a firm that understands the full project—not just the structural calculations. Your engineer should help develop a safe, code-compliant, buildable, and economical structural system while supporting the project through design, permitting, and construction.
Commercial Structural Engineering Services From Levi Jay & Associates
Levi Jay & Associates provides structural engineering support for commercial developments, renovations, additions, repairs, inspections, foundations, and permit-ready construction documents.
Our approach emphasizes thorough engineering, practical design, responsive communication, and coordination with owners, architects, contractors, and other project consultants.
Planning a commercial construction or renovation project? Contact Levi Jay & Associates to discuss your structural engineering needs.
Visit LeviJayAssociates.com to request a consultation.
Frequently Asked Questions
When should I hire a structural engineer for a commercial project?
The structural engineer should be involved early enough to coordinate the foundation, framing, building layout, architectural features, mechanical equipment, and project budget. Early involvement can help prevent redesign and coordination conflicts.
What documents does a commercial structural engineer provide?
Deliverables may include structural plans, foundation plans, framing plans, details, calculations, inspection reports, certification letters, and responses to permitting comments. The exact documents depend on the project scope.
Does the structural engineer work for the architect or the owner?
Either arrangement may be used. The engineer may contract directly with the owner, architect, contractor, or another consultant. The agreement should clearly identify the client and the engineer’s responsibilities.
Can a structural engineer help reduce construction costs?
Yes. An experienced engineer can evaluate framing layouts, foundation alternatives, material selections, repetitive details, and constructability to identify cost-efficient solutions.
Should I choose the structural engineer with the lowest proposal?
Not necessarily. Compare the complete scope, experience, deliverables, schedule, responsiveness, and construction support. A limited engineering scope may lead to larger costs during permitting or construction.