How Much Does It Cost to Hire a Structural Engineer in Phoenix? [2026 Data]

Average structural engineer costs in Phoenix range from $570 to $1,895, with most homeowners spending an average of $1,232. While Phoenix’s cost of living is 7% above the national average, professional engineering services are comparable to those in other parts of the U.S. 

Phoenix is known for its extreme weather, which can pose significant challenges to the structural integrity of homes here. Phoenix also ranks as one of the country’s locations with the highest rate of new residential construction, keeping the city’s structural engineers gainfully employed by local homeowners. 

The main factors impacting Phoenix homeowners’ structural engineering costs are project complexity, inspection type, and required drawings.

Structural Engineer Cost Factors 

How much you’ll pay to hire a structural engineer in Phoenix, AZ, depends on a variety of factors. Here’s a closer look at how your total breaks down. 

Fee Structure

When hiring a structural engineer in Phoenix, you will pay per project, per hour, or per square foot. If your engineer charges by the project, they may either charge a flat fee or a percentage of the entire renovation cost or the cost to build your house. The type of billing depends on the professional and the exact scope of work requested.

A structural engineer’s fee typically includes necessary manhours, on-site design consultation with an engineer or architect, evaluation of your property’s structural integrity, and a findings report. Their fee does not include trip charges, general contractor fees, permitting fees, or actual project costs such as materials, labor, or post-construction cleanup fees.

Project Complexity

The cost of a structural engineer will also vary based on the complexity of your project. If you’re just building an add-on to your existing home, your engineer will have minimal work to do to ensure the addition is safe. 

If you’re instead altering your roof structure, replacing standard beams with more supportive steel I-beams to open up your space, or removing load-bearing walls, your engineer will have more work to do and will charge more accordingly. Custom new construction projects are the most involved work for a structural engineer and will typically be the most expensive. Costs can also increase if you’re hiring an engineer for complex projects like assessing your foundation, your home’s structural integrity, or soil issues on your property.

Type of Inspection

When working with a structural engineer, an inspection is the first step—and may also be the only step, depending on why you’re hiring them. Structural engineers in Phoenix are often hired to assess a home’s structural integrity due to the area’s risk of monsoon storms. Structural damage can be caused by Phoenix’s expansive soil conditions and extreme heat, and inspections allow your engineer to recommend necessary structural repairs to ensure your home’s safety. You may also hire a structural engineer when buying or selling a home or for new residential construction projects.

A structural engineer charges a flat fee for inspections, including checks during the sale of a home. The cost of a structural report averages $650, but prices can range from $350 to $900, depending on the size of your home and the complexity of your project.

Your structural engineer inspection cost will likely reach $1,500 if you’re having your professional investigate suspected foundation issues, including foundation cracks, bowing foundation walls, wavy rooflines, or sagging or squeaky floors.

These are the average costs associated with common types of structural engineering inspections. 

Engineer Plans

Engineer plans are the drawings that detail your construction project, and in the case of new construction, they’re the plans that an architect and builder will work off of to construct your home safely.

The engineer plans themselves, and the process to produce them, will cost you anywhere from $500 to $3,000, depending on the scope of the project. The cost can be much higher for more complex, large-scale projects, sometimes reaching 45% of the engineering budget. 

It’s a good idea to budget an additional $300 to $700 for revisions in case you want to make changes after the first round of drafting. Additional revisions after that point will cost about the same amount.

Here are average prices for standard drawings that Phoenix homeowners might request from a structural engineer.

Additional Structural Engineer Costs

Phoenix homeowners should consider additional costs when hiring a structural engineer. Here’s a look at some other expenses that can impact your project.

PE Stamp

In most cases, a professional engineer (PE) stamp is bundled into the total project cost, which includes drawings, designs, calculations, and permit-ready plans. However, if you have existing plans from an architect or designer and just need a PE stamp from a licensed structural engineer for obtaining project permits, expect to pay between $500 and $800 for them to review your plans. 

How much you’ll pay depends on the level of review and calculations required, whether any revisions or updates are needed, your engineer’s rate, and your project’s complexity. The more involved the engineer needs to be, the higher the cost for their stamp. 

Permits

You don’t need a permit to hire a structural engineer, but you’ll need one to carry out your construction plans after their work is complete. In the city of Phoenix, permit fees are calculated based on the estimated cost of your project and the type of permit you require. 

As a general guideline, you can expect to spend $500 to $2,000 on permit fees for moderate-sized home projects. Phoenix building permits cost start at $75 for projects valued at $1,000 or less, and rates increase as your project value climbs. You’ll also need to pay a plan review fee, which is 80% of your total permit fee. New construction may also be subject to the city’s impact fees, and any required re-inspections are charged at $47 per hour. 

If you’re obtaining permits for a commercial construction project, fees may reach several thousand dollars, depending on your scope. 

Taxes

The combined state, county, and city sales tax in Phoenix is 9.1%, but it’s important to note that this tax doesn’t apply to professional services, like hiring a structural engineer. However, if your engineer is providing any building materials or tangible property improvements, you’ll be charged sales tax for that portion of your project. It’s wise to ask your structural engineer if they’ll invoice you strictly for professional services, so you can avoid surprises on your final bill. 

Can a Structural Engineer Add Value to Your Home?

Hiring a structural engineer doesn’t have a specific return on investment (ROI) itself—instead, your returns will depend on the type of project you’re completing after they’ve completed their services. For example, if you hire a structural engineer in Phoenix because you’re building a home addition, you may see an ROI of 20% to 50% on your project. If you’re hiring a structural engineer for a pre-purchase home inspection or for post-storm soil inspection, your ROI will be less significant.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

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