General Contractor Mistakes Gilbert Homeowners Make

Hiring a general contractor for your Gilbert home is one of the biggest financial decisions you'll make — and a few common missteps can turn an exciting renovation into a costly headache. Here's what to watch for before you sign anything or break ground.

Not Verifying ROC Licensing and Insurance

Arizona's Registrar of Contractors (ROC) requires all general contractors to hold a valid license before performing work above $1,000. Many Gilbert homeowners skip this check and pay for it later.

Before hiring anyone:

• Verify the ROC license number at the Arizona ROC website — takes about two minutes and confirms license status, bond, and any complaints on record.
• Confirm general liability insurance (typically $1 million per occurrence is a reasonable baseline) and workers' compensation if they employ a crew.
• Ask for certificates of insurance and call the carrier to confirm the policy is active — not just dated.

An unlicensed contractor who causes structural damage or injury leaves you holding the bill, and Arizona law limits your ability to pursue unlicensed operators for certain remedies.

Skipping a Detailed Written Contract

A verbal agreement or a one-page quote is not a contract. Gilbert homeowners frequently get burned by vague scopes of work that leave room for disputes about what's included.

A solid contract should specify:

• Full project scope and materials (brand, grade, model numbers where relevant)
• Payment schedule tied to project milestones, not arbitrary dates
• Start and estimated completion dates
• Change-order process and how cost increases are approved in writing
• Lien waiver requirements at each payment milestone

Arizona's Prompt Payment Act and lien laws are contractor-friendly, so protecting yourself in writing upfront is essential.

Paying Too Much Upfront

A large deposit before any work begins is a red flag. Reputable contractors typically request a reasonable mobilization deposit — often 10–20% of the project total — with subsequent payments tied to completed phases. Be skeptical of anyone asking for 50% or more before a shovel hits the ground.

If a contractor says they need a massive upfront payment to "buy materials," ask to see itemized material costs and offer to pay suppliers directly for large orders instead.

Ignoring Gilbert-Specific Permitting Requirements

Gilbert has its own Building Safety Division with specific permit requirements for additions, pools, patio covers, and major remodels. Your contractor should pull permits — not ask you to do it yourself (a common workaround that shifts liability to you).

Unpermitted work can:

• Create problems when you sell the home (disclosed or discovered during inspection)
• Void your homeowner's insurance for related claims
• Require expensive demolition and rebuilding to bring the work up to code

If you're unsure what a project requires, the Town of Gilbert's Building Safety office can confirm before you start.

Underestimating Arizona's Climate Demands

Gilbert summers routinely exceed 110°F, and monsoon season (roughly June through September) brings driving rain, dust, and humidity spikes that are unusual the rest of the year. These conditions affect:

• Material selection — not all roofing, siding, or exterior finishes perform equally in extreme UV and heat
• Scheduling — quality contractors plan concrete pours, roofing, and exterior painting outside peak summer heat windows when possible
• Waterproofing and drainage — monsoon water intrusion is one of the most common sources of post-construction damage in the East Valley

Ask prospective contractors specifically how they handle desert climate conditions. If they don't have a ready answer, keep looking.

Not Getting Multiple Bids

Pricing in the Gilbert market varies significantly based on subcontractor networks, current material costs, and crew availability. Getting at least three bids gives you a realistic range and helps you identify outliers — both suspiciously low bids (cut corners, unlicensed subs) and inflated ones.

Use a simple comparison table when evaluating bids:

The lowest bid rarely delivers the best value. Look for the most complete, transparent scope at a fair price.

Neglecting to Check References and Past Work

Online reviews matter, but they're easy to manipulate. Ask for three to five references from similar projects completed in the past 12–18 months — ideally other Gilbert or East Valley homeowners who dealt with similar scope (additions, kitchen remodels, ADUs, etc.).

When you call those references, ask:

• Did the project finish close to the quoted price and timeline?
• How were change orders handled?
• Would you hire them again?

You can also browse local contractors in Gilbert to compare businesses, read reviews, and check service areas before you reach out to anyone.

Forgetting HOA and Desert Landscaping Restrictions

Many Gilbert neighborhoods have active HOAs with strict rules about exterior changes, material colors, and even what equipment can be staged in driveways during construction. Your contractor may have zero experience navigating HOA approvals — and some projects have been halted mid-construction as a result.

Always:

• Submit your project plans to the HOA before signing a construction contract
• Get HOA approval in writing
• Share HOA restrictions with your contractor so they're built into the project plan

Not Understanding TPT (Transaction Privilege Tax) on Construction

Arizona's Transaction Privilege Tax applies to most construction services. Reputable contractors will factor this into their bids transparently. If a quote seems unusually low and doesn't mention tax, ask how TPT is handled — surprises at invoicing time are frustrating and avoidable.

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Finding a trustworthy contractor in a fast-growing market like Gilbert takes a bit of homework, but avoiding these mistakes significantly reduces your risk. Start by searching for vetted general contractors near you and cross-reference anyone you're considering through the Arizona ROC before your first conversation. The extra due diligence at the front end is far less expensive than fixing problems after the fact. You can also explore the full construction directory to compare local pros across specialties and service areas.