Short answer: for most Texas commercial tenant finish-outs, MEP (mechanical, electrical, plumbing) engineering design fees typically run about $0.50–$3.00 per square foot of the space, or roughly 1–3% of total construction cost — with small, simple sets starting in the low four figures and complex restaurant or medical sets running well into five figures. What moves you within that range is not the square footage alone; it is how much system the space needs. Below is how that breaks down by use type, what drives the number up, and what a sealed, permit-ready set actually includes.
These are typical Texas market ranges for engineering design fees, not a quote. Pyra Engineering issues fixed-fee proposals per project and sanity-checks them against a dataset of 374 anonymized Texas commercial MEP engagements. For your specific scope, request the free 2026 Texas Commercial MEP Field Report or ask us for a fixed quote.
MEP design fee vs. MEP construction cost — two different numbers
Owners often conflate two figures. MEP construction cost — the ductwork, panels, piping, and equipment a contractor installs — commonly runs 20–40% of total construction cost, and lands at the higher end for restaurants and healthcare. MEP engineering design fee — the sealed drawings and calculations a licensed engineer produces so the job can be permitted and built — is a much smaller slice, usually 1–3% of construction cost or $0.50–$3.00/SF. When people ask “how much does MEP cost,” they almost always mean the design fee. That is what this page is about.
Typical MEP engineering design-fee ranges by use type (Texas, 2026)
- Retail / general tenant finish-out — the low end. Open shell, straightforward HVAC, lighting, and restroom plumbing. Sets are usually the most economical MEP scope on a per-SF basis.
- Office tenant improvement — low to mid. Adds more lighting/power zoning, data/low-voltage coordination, and sometimes supplemental cooling for server or conference rooms.
- Restaurant / commercial kitchen — high. A Type I exhaust hood, make-up air, grease interceptor, elevated gas and electrical loads, and dedicated refrigeration push both the systems and the engineering effort up sharply. This is the single most cost-intensive common finish-out.
- Medical / dental office — high. Medical-gas piping (designed to NFPA 99), higher ventilation and filtration, and sterilization/equipment loads add scope a standard office never sees.
- Change of use (e.g., retail suite → salon/nail) — variable and often underestimated. Re-deriving outdoor air and source-capture exhaust against the new occupancy can outrun the existing rooftop unit, turning a fit-out into an RTU replacement — which changes both the construction budget and the schedule.
What actually drives MEP cost up
- Commercial kitchens. Type I hoods, the CFM they demand, make-up air balancing, and grease-waste plumbing are the biggest single cost multiplier in tenant work.
- Medical gas. NFPA 99 medical-gas systems for dental and medical suites require specialized design and add both engineering and installed cost.
- Change of occupancy. A new use re-triggers the outdoor-air and exhaust calculations. When required outdoor air exceeds what the existing RTU can deliver, you are into new equipment — a 12–26 week equipment clock that can double a 12–16 week fit-out. Re-run the calc before you sign the lease.
- Existing-conditions unknowns. Undocumented as-built systems, undersized services, and panel capacity surprises add design contingency.
- Jurisdiction. Some Texas AHJs review faster and cleaner than others; comment cycles cost time, and time is cost.
What a sealed, permit-ready MEP set includes
A permit-ready set is more than drawings. It is mechanical, electrical, and plumbing plans plus the load calculations, equipment schedules, and code-basis notes an Authority Having Jurisdiction needs — sealed by a Texas-licensed Professional Engineer. In Texas, engineering work affecting public safety generally must be prepared and sealed by a P.E. licensed with the Texas Board of Professional Engineers and Land Surveyors; for most commercial tenant finish-outs of any real size, plan reviewers expect a P.E.-stamped MEP set. Always confirm the exact threshold with your local AHJ.
Frequently asked questions
How much does MEP engineering cost for a restaurant build-out in Texas?
Restaurant MEP is the high end of tenant finish-out engineering because of the Type I exhaust hood, make-up air, grease interceptor, and elevated gas and electrical loads. Expect the design fee to sit above a comparable retail or office set on a per-SF basis; the exact number depends on kitchen size, hood count, and how much of the existing building service you can reuse. Ask for a fixed-fee quote scoped to your kitchen.
Is MEP design charged as a percentage of construction cost?
It can be, but for tenant finish-outs a fixed fee is more common and more predictable. As a rule of thumb, MEP engineering design fees land around 1–3% of construction cost, or roughly $0.50–$3.00 per square foot of the space, depending on system complexity.
Why is restaurant and medical MEP more expensive than office or retail?
Because they carry systems a standard office does not: commercial-kitchen exhaust and grease waste for restaurants, and NFPA 99 medical-gas piping plus higher ventilation for dental and medical suites. More system means more engineering and more installed cost.
Do I need a P.E.-stamped MEP set for a Texas tenant finish-out?
For most commercial finish-outs of meaningful size, yes — Texas plan reviewers typically require MEP drawings sealed by a Texas-licensed Professional Engineer. Requirements vary by jurisdiction and project scope, so confirm with your local Authority Having Jurisdiction before you submit.
What is the fastest way to get a reliable MEP cost for my project?
Send a floor plan and your intended use. A scoped fixed-fee proposal beats any per-SF rule of thumb because it accounts for your kitchen, medical gas, existing conditions, and jurisdiction. Pyra Engineering — an MBE/HUB-certified firm registered with the TBPE (Firm F-22556) in Cypress, TX — issues fixed quotes and checks them against 374 real Texas commercial MEP projects.
Next step: Get the free 2026 Texas Commercial MEP Field Report for cost benchmarks and the permit-compression playbook, or contact Pyra Engineering for a fixed-fee quote.
