Structural Engineer Fees Explained: Cost Breakdown for 2026

Owners ask the same question every time. What is this going to cost. Structural engineers ask the same question every time too. How do I price this fairly without giving away the work.

This is a transparent breakdown of how structural engineering fees are built and what to expect in 2026 for the most common project types.

How structural fees are typically priced

Most structural engineers price using one of three models, often blending them within a single contract.

• Percent of construction cost. Common for full design and construction administration.
• Lump sum. Common for residential and small commercial.
• Hourly with not to exceed. Common for forensic, due diligence, and unscoped retrofit work.

Typical fee ranges by project type

These ranges reflect 2026 market data across the United States. Local cost of doing business shifts the numbers. High cost markets like NYC and the Bay Area sit at the upper end.

Single family residential, custom

Lump sum range: 4,500 to 18,000 dollars. As a percent of construction: roughly 0.7 to 1.5 percent. Driven by site conditions, lateral system, and whether you need a foundation design from soils data.

Multifamily, mid rise wood frame

Percent of construction: 0.8 to 1.4 percent. A 60 unit, four story project running at a 14 million dollar construction cost typically lands a structural fee of 110,000 to 195,000 dollars including CA.

Commercial tenant fit out

Lump sum range: 8,000 to 35,000 dollars. Driven by whether the lease includes a structural carve out, slab penetrations, or new mechanical loads.

Mid rise commercial, steel or concrete

Percent of construction: 0.9 to 1.6 percent. Complexity factors include irregular geometry, high seismic, post tensioned slabs, and exterior facade load paths.

Industrial and warehouse

Percent of construction: 0.5 to 1.0 percent. Lower because the structure is often repetitive, but heavy if cranes, mezzanines, or special foundations are involved.

Forensic and retrofit work

Almost always hourly. Senior engineer rates: 220 to 350 dollars per hour. Reports range from 3,500 to 25,000 dollars depending on scope.

What moves the fee up or down

Two structural projects with the same square footage can sit 40 percent apart on fee. The drivers are usually one of these.

• Lateral system. A complex shear wall or moment frame layout adds analysis hours.
• Site conditions. Sloped sites, high water tables, and bad soils add foundation design effort.
• Seismic and wind zone. Higher zone equals more iteration on member sizing.
• Architectural complexity. Cantilevers, transfer beams, and irregular plan shapes drive engineering hours up.
• Repetitive vs custom. A tract home prototype is one tenth the cost of a custom estate.
• BIM and drawing standards. Federated BIM coordination doubles the modeling time of standard drafting.
• CA scope. Full construction administration with site visits adds 15 to 25 percent to the design fee.

What you should expect to be included

A clean structural scope of services covers calculations, drawings, specifications, response to RFIs, shop drawing review, and a defined number of site visits. Items that are commonly excluded but should be priced separately are special inspections, performance based design, peer review, and post occupancy services.

If a fee feels low, the cause is usually a missing CA scope or excluded special inspections.

How to compare two structural fees fairly

Side by side fee comparisons are misleading without a scope normalization. Before you compare two numbers, ask both engineers the same five questions.

1. How many site visits are included.
2. Is shop drawing review hourly or included.
3. What revisions are covered without a change order.
4. Is the lateral analysis fully included for the seismic zone.
5. How is consultant coordination billed.

Once both fees normalize to the same scope, the comparison becomes meaningful.

For engineers: pricing without giving the work away

If you are the engineer, the only sustainable pricing is one rooted in your real cost to deliver. Use a phase build up to ground every lump sum number, then sanity check against the percent of construction range. Track the actual hours against your estimate after every project. The firms that close the loop are the firms that price right.

The bottom line

Structural fees in 2026 sit roughly between 0.5 and 1.6 percent of construction cost for standard work, with hourly forensic and retrofit work commanding senior rates of 220 to 350 dollars per hour. Beyond those benchmarks, the project's geometry, site, and CA scope move the number more than anything else.

Owners who understand the drivers get fairer fees. Engineers who track their actuals get fairer wages. Both come from the same discipline.