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How to Choose a Pool Builder: 7 Questions to Ask Before You Sign

March 24, 2026 — Maverick Pools

Custom gunite pool with pergola, outdoor bar, and loungers in Bakersfield

Hiring a pool builder is one of the larger financial decisions most homeowners make — and unlike most home purchases, you can’t inspect the product before you commit to it. You’re buying a promise, a process, and a team. Getting this right matters.

These are the seven questions that separate builders worth hiring from those who aren’t.

1. Are You licensed in this state, and can I verify it?

Licensing requirements vary by state. In California, pool contractors must hold a C-53 Swimming Pool Contractor license issued by the California Contractors State License Board (CSLB). In Idaho, general contractor licensing requirements apply to pool construction.

Ask for the license number. Verify it yourself — both California and Idaho have public license lookup tools. Check that the license is current and has no disciplinary actions on record.

Any builder who is evasive about licensing, who says licensing “doesn’t apply” to pool construction in your area, or whose license number comes back expired or flagged is a builder to walk away from immediately.

2. Who actually manages the construction process?

Pool builders range from vertically integrated companies (rare) to project managers who subcontract everything (common). Most builders are somewhere in between.

The question isn’t whether they use subcontractors — virtually all do. The question is who manages those subcontractors, who is accountable when something goes wrong, and who is your single point of contact through the entire build.

If the answer involves you coordinating with multiple people, or if there’s a handoff from a salesperson to a “project manager” you haven’t met, that’s a sign of an organization where accountability is distributed — which often means no one is truly accountable.

You want one person who is responsible for the outcome of your project and reachable when you have questions. Ask directly: who is my primary contact from design through handover, and how do I reach them?

3. Will you give me a line-item proposal — or just a total?

A lump-sum bid for a pool project is a bid designed to look competitive rather than to accurately scope your project. It’s how contractors get their foot in the door and then recover margin through change orders.

A legitimate pool proposal is line-itemized: excavation, steel, gunite, tile, coping, decking (with square footage), equipment (with model numbers), electrical, plumbing, and any features specified separately. Every phase is broken out. Every material is specified.

When you can see the line items, you can compare proposals accurately. When you can’t, you’re comparing total numbers that were constructed with different assumptions — and you won’t know which assumptions until you’re mid-build.

4. Do you use a licensed structural engineer on every project?

A gunite pool is a structural element embedded in the ground. Its rebar design, shell thickness, and drainage details need to be engineered for the specific soil conditions and site loads of your property.

Some contractors use boilerplate structural drawings — the same drawings for every project, stamped by an engineer who may or may not have evaluated your specific site. This is common, not illegal, and often adequate for simple lots in uniform soil.

But for properties with challenging soil conditions, unusual loads (retaining walls near the pool, above-grade structures), high water tables, or site access constraints, project-specific engineering matters.

Ask whether the engineer reviews your site specifically or works from standard plans. Ask for the engineer’s name and license number.

5. What equipment do you install, and can I see the model numbers in the proposal?

Pool equipment ranges from commodity-grade products that will require replacement within a few years to well-engineered systems from established manufacturers that last decades with proper maintenance.

The difference isn’t always visible in a proposal total — “equipment included” can mean very different things depending on what brands and models are being specified.

Ask for the specific model numbers of the pump, filter, heater, and automation system. Look them up. Understand what you’re getting.

Variable-speed pumps are now required by California energy code for new pool installations and are increasingly the standard elsewhere. Make sure you’re getting one — the energy savings are real and compounding over the life of the equipment.

Automation is worth asking about specifically. A system that lets you monitor and control your pool remotely isn’t just a convenience — it’s the difference between catching a heater failure or low-flow condition before it becomes a problem and finding out after the fact.

6. Can I talk to three recent clients?

References are standard. What matters is how the builder responds to the request and what the references actually say.

A builder who provides references immediately and without hesitation has clients he’s confident will give a good account. A builder who hedges, offers to “check with a few clients first,” or provides only written testimonials on his own website is giving you a signal.

When you call references, ask specifically:

  • Was the project completed on budget and on schedule?
  • How responsive was your contact when you had questions or issues?
  • Were there surprises during construction — things you weren’t told about in advance?
  • Would you hire them again?

The last question is the clearest signal.

7. What does the warranty cover and for how long?

Pool warranties vary considerably in what they cover and how long they last. A structural warranty (covering the gunite shell itself) should be meaningful — 10 years is reasonable, shorter than that warrants scrutiny. Equipment warranties are manufacturer-governed and typically independent of the builder’s warranty.

The more important question is: what happens when something goes wrong? Is there a clear process? Is the owner of the company involved in warranty work, or is it handed to a different team?

A company that’s still around in five years to honor a warranty is different from one that may not be. Owner-operated businesses tend to stand behind their work more directly than volume builders whose ownership is distant from individual projects.


These seven questions won’t guarantee a perfect outcome, but they will surface most of the serious red flags before you sign anything. The right builder will have clear answers to all of them.

We’re happy to answer all of these questions directly. Contact us or book a consultation and we’ll show you exactly how Maverick Pools handles each one.

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