Check three things before money changes hands: whether the unit can actually meet DSHS construction and equipment standards, whether your intended location will permit a mobile unit at all, and whether the seller's paperwork matches what they're telling you. Most costly surprises trace back to skipping one of those. A unit that can't pass is a unit you'll pay twice for — once to buy, once to correct.
Almost everything written about Texas food truck licensing is aimed at people who already own a truck. That's backwards. By the time you own it, your options have narrowed to fixing whatever you bought. The leverage is earlier — while you can still walk away from a bad unit or a bad location.
If you're shopping right now, this is what to look at.
Start With the Location, Not the Truck
This is the one people skip, and it's the most expensive one to get wrong. Where you intend to operate determines a lot about what unit makes sense — and in some cases, whether the plan works at all.
Before you fall in love with a truck, find out: does the city or county where you plan to park allow mobile food units in that spot? What are the local zoning rules? Is there a fire marshal requirement in that jurisdiction, and what does it involve? If you're planning to sit permanently in one location, would that city permit a fixed establishment instead — which may be a better path entirely?
People buy the truck first and ask these questions second. It should be the other way around.
What to Check on the Unit Itself
The three-compartment sink — bring your biggest pan
Your sink compartments have to be large enough to fully submerge your largest utensil or pan for a complete wash, rinse, and sanitize cycle. This is one of the most common failure points, and it's easy to check: bring the largest pan you actually plan to use and physically put it in the sink. Compact sinks on smaller trailers frequently can't take a full-size hotel pan.
Water tank sizing and ratio
Your waste water tank needs to be larger than your fresh water tank — the standard is at least 15% larger. Check both tanks physically, not just what the seller says. If the fresh water tank is small, understand what that means day to day: more frequent refills, and a harder case for any commissary exemption.
Does it actually still move?
DSHS licenses mobile units, and your unit has to be able to travel to meet an inspector. If you're looking at a trailer that's been parked for years, verify the tires, the axle, the hitch, and whether the onboard water pump still works. A unit that's been running off a garden hose for three years may have a pump nobody's tested since the first year.
Refrigeration that holds temperature independently
Check whether the refrigeration can hold safe temperature without being plugged into shore power overnight. This matters for daily operation and it's central to whether you'd qualify for a commissary exemption or need a licensed CPF arrangement.
Surfaces, seals, and finish
Interior surfaces need to be smooth, non-absorbent, and cleanable. Look at the seams, the corners, the flooring, and anywhere water collects. Raw wood, unsealed joints, and improvised patching are all problems you'll be paying to fix.
Weight, if you're towing it
If your trailer and tow vehicle combined weigh over 26,000 pounds, Texas requires a CDL. That's a state requirement, separate from anything DSHS handles — but it's your problem on day one, and it's worth knowing before you buy something you can't legally tow.
What Actually Gets Rejected
DSHS confirmed directly that a unit doesn't have to be professionally manufactured. Self-built trailers are allowed. What matters is whether it's safe to serve food out of.
The concern raised on that call wasn't careful custom builds — it was units converted from things never designed for food service. Retrofitted horse trailers, "wagon" style novelty builds turned into concession stands. DSHS was direct that they don't expect all of those to pass.
- Converted from a horse trailer, cargo trailer, or anything not built for food service
- Seller can't produce any prior inspection paperwork or permit history
- Seller says "it just needs a few small things to pass" without specifics
- Interior surfaces that are raw, unsealed, or patched with non-cleanable material
- Sink compartments that won't take a full-size pan
- Hard-plumbed to a fixed location with the tanks removed or bypassed
- No water heater, or a water heater that can't reach handwashing temperature
- Priced well under market with no explanation
Questions to Ask the Seller
- Has this unit ever been permitted? By which authority, and when?
- Can I see the most recent inspection report?
- Why are you selling it?
- Has it ever failed an inspection, and for what?
- Who built it, and is there any documentation of the build?
- Does the water pump work, and can we run it right now?
- Has it been towed in the last year?
An honest seller answers all of these easily. Evasiveness on any of them is information.
DSHS doesn't offer a pre-purchase inspection. They inspect as part of the licensing process, after you own the unit and have applied. If you want a unit evaluated before you commit, that has to be an independent review — which is exactly the gap a pre-purchase consultation fills.
The Order That Saves Money
Location and permitting questions first. Then the unit. Then the purchase. Then licensing.
Most people run that backwards — buy the truck, then find out what it needs, then find out where they can put it. Every step in the wrong order costs money that a phone call would have saved.
Common Questions
Does a food truck have to be professionally manufactured in Texas?
No. DSHS confirmed directly that a unit doesn't have to be manufactured, but it has to be safe to serve food out of. Self-built units are allowed if they meet the same standards.
What should I check before buying a used food truck in Texas?
Verify the three-compartment sink can fully submerge your largest pan, check fresh and waste water tank sizing, confirm the unit can still travel for inspection, and check whether your intended location is even permittable before you buy.
Can I get a food truck inspected before I buy it?
Not by DSHS — they inspect as part of licensing, not as a pre-purchase service. An independent review is the way to get a unit evaluated before you commit.
Last verified: July 30, 2026. Construction and equipment standards reflect Texas Food Establishment Rules and DSHS Mobile Food Vendor guidance. Build classification guidance reflects a direct phone conversation with a DSHS compliance representative on July 23, 2026.
Sources: DSHS compliance representative, phone interview, July 23, 2026; TFER; DSHS Mobile Food Vendor Guide.
Updated by: Texas Food Truck Permits Editorial Team