Custom builder in Chandler, AZ

Custom Builder in Chandler, AZ

ADUs, additions, guest houses, and more — designed, permitted, and built by one trusted team.

Licensed & Insured
17+ Years Experience
Design & Build
5-Star Reviews
Phoenix Metro Area

Your Trusted Custom Builder in Chandler

Chandler's booming tech corridor and family-friendly communities drive demand for home additions, guest houses, and garage expansions. We work with homeowners throughout Chandler — from Ocotillo to Sun Groves — to design and build custom structures that complement existing architecture and meet the city's building requirements.

With over 17+ years of experience and AZ ROC License #318269, Kelso Custom Builders brings design-build expertise to every project. We handle everything — from initial design and 3D renderings to permitting and final construction — so you get one team, one vision, and no surprises.

  • Booming tech-corridor market
  • Family-oriented addition demand
  • Guest house & casita popularity
Custom build project in Chandler

Our Services

Every service includes full design, permitting, and construction — handled by one team from start to finish.

Why Local Expertise Matters in Chandler

Every municipality in the Phoenix metro has its own zoning codes, setback requirements, and permitting processes. Building in Chandler requires a contractor who understands the local landscape — from Maricopa County regulations to neighborhood-specific HOA guidelines.

At Kelso Custom Builders, we've built projects across Chandler and the surrounding area for over 17+ years. Our familiarity with local building departments means faster approvals, fewer revisions, and a smoother experience from start to finish.

Every design we offer is guaranteed to be buildable. We don't waste your time or money on plans that won't pass inspection.

Home addition in Chandler

Our Process

Free Consultation

We visit your Chandler property, discuss your vision, and assess feasibility.

Custom Design

Our team creates detailed plans and 3D renderings tailored to your property and goals.

Permitting

We handle all Maricopa County permits and approvals — no paperwork headaches for you.

Construction

Mark oversees every phase on-site. Clear communication and no hidden costs until final walkthrough.

What Our Clients Say

★★★★★

"Great communication, great guy, gets job done in very very timely fashion."

JH
Jenny H. Google Review
★★★★★

"Very responsive and thorough. Patiently educates homeowner. Creative suggestions."

MH
Margaret H. Google Review
★★★★★

"Great guy, very easy to work with and understands what you are trying to accomplish."

MZ
Mark Z. Google Review

Also Serving Nearby Communities

Get Your Free Estimate in Chandler

Ready to start your project? Tell us what you're envisioning and we'll provide a detailed, no-obligation estimate.

Free Estimate — Chandler, AZ

We typically respond within 1 business day.

Call (602) 361-2310 Get Free Estimate