How to Spot a Bad Concrete Contractor Before Hiring
Top Notch Concrete · Seguin, TX · 5 min read
Bad concrete work is expensive to fix — sometimes impossible without tearing out and starting over. The problem is, most homeowners can't tell the difference between a quality pour and a disaster until months later when the cracks start showing up. Here's how to protect yourself before you ever sign a contract.
The 8 Red Flags to Watch For
No written contract
A verbal agreement protects nobody. If they won't put it in writing, walk away.
Significantly lower bid than everyone else
Cheap bids usually mean thinner concrete, less rebar, or a crew that disappears after the pour.
Asks for large upfront cash payment
A reasonable deposit is normal (10–25%). Asking for 50%+ upfront before work starts is a red flag.
Can't provide proof of insurance
If someone gets hurt on your property and they're not insured, you could be liable.
No local references or verifiable reviews
Ask for 2–3 recent local jobs you can call or visit. If they can't provide any, that's telling.
Vague about mix design and thickness
A real concrete contractor can tell you exactly what PSI mix they're using and why. Vague answers mean they're cutting corners.
Wants to skip the permit
On foundations and some slabs, permits exist for a reason. "We don't need one" often means "I don't want an inspector seeing my work."
High-pressure sales tactics
"This price is only good today" is a manipulation tactic, not a legitimate business practice.
The "Too Cheap" Problem
Concrete has real costs: the mix itself, delivery, labor, forming, reinforcement, and cure time. When someone bids 40% less than everyone else, they're not more efficient — they're cutting something. The most common cuts are:
- Thinner concrete — 3" instead of 4–5"
- Lower PSI mix — 2,500 PSI instead of 3,000–4,000
- Skipping rebar — wire mesh alone isn't enough for driveways or slabs
- Rushing the pour — not enough water management or float time
- No curing compound — concrete that dries too fast cracks prematurely
You'll get a surface that looks fine at first. Then 12–18 months later, the cracks appear. And at that point, you're looking at full removal and replacement — not a patch.
What a Good Contractor Looks Like
Here's the checklist you should be running through before hiring anyone:
Green Flags Checklist
Provides a detailed written scope of work
Clearly states concrete PSI, thickness, and rebar spacing
Shows proof of general liability and workers' comp insurance
Gives you references from recent local jobs
Walks your site before quoting
Explains the curing process and what to expect
Stands behind their work with a written warranty
Ask to See a Current Job
Any contractor worth hiring will have an active job site or a recently completed project nearby they'll let you visit. Look at the edges — are forms set clean and level? Look at the finish — is it consistent? Ask about the mix design and thickness. A professional will answer without hesitation.
Get It in Writing — Every Time
Your contract should spell out: exact dimensions, concrete thickness, PSI mix, rebar or mesh spec, number of control joints, finish type, timeline, payment schedule, and warranty terms. If any of those are missing, ask for them in writing before you sign.
The Bottom Line
You're not just paying for concrete — you're paying for the judgment of the person placing it. A skilled crew knows how to read the weather, manage the pour rate, float at the right time, and cut joints in the right spots. That expertise is what separates a 20-year driveway from a 3-year crack fest.
Want a Straight Answer?
We'll walk your site, explain exactly what we'd do and why, and give you a written quote — no pressure.