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Kelso Custom Builders

Custom Home Builders in Peoria, AZ

Creating a home you truly love starts with a clear vision, thoughtful planning, and a team you can trust from day one. That is exactly why our clients throughout the Valley and Northern Arizona come to us when they want a home that is uniquely theirs. As professional General Contractors, we handle every step of the journey including design ,permitting, and building the home that makes us both proud to call ours.

Whether you are dreaming of a ground-up custom home, building a Guest house or ADU, planning an expansion to accommodate your growing needs, or exploring ways to refresh your existing space, our team is here to help. Arizona’s climate and active outdoor lifestyle influence how families use their homes, and we tailor every project with those local factors in mind. With years of hands-on experience, transparent pricing, and a commitment to quality, we pride ourselves on being the home builder that homeowners trust for there projects.

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Your Vision, Our Expertise

We believe building or remodeling a home should feel exciting instead of overwhelming. That is why we start by listening carefully to your ideas before offering recommendations that line up with your goals and your budget. As general contractors and home building designers, we manage all the moving parts so you can focus on the fun aspects of design and planning. Our team understands the industry and keeps up with current trends allowing us to provide a home that is unique to you but appealing to the neighborhood.

Comprehensive Custom Homebuilding Services

When you are ready to build a home from the ground up, our custom home building process guides you from the earliest design concept all the way to the final walkthrough. We help transform ideas into detailed floor plans and visual 3D renderings so you can picture your future home before construction begins.

Once the plans are approved, we manage all permitting, coordinate materials, oversee subcontractors, and handle every detail of the build. Throughout the process, you work directly with our owner, Mark, who visits sites daily to ensure your home meets the highest standards.

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Full-Service Home Additions

If your current space no longer fits your lifestyle, a thoughtfully designed home addition can make a remarkable difference. As home remodeling contractors, we create additions that feel seamless with your existing structure and layout.

We Design & Build:
  • Detached garages
  • In-law suites
  • Kitchen bump-outs
  • Bathroom additions
  • Second-story room additions
  • Garage conversions
  • Master bedroom expansions
  • And many other customized options

Living in the Peoria and Phoenix area means evolving needs are common, especially as families grow or as more people embrace working from home. We create additions that improve comfort, function, and long-term value.

ADU Construction

Homeowners often choose ADUs because they provide a flexible, independent living space without requiring a major renovation to the main home.

Our ADU Construction Services Include:
  • Detached ADU construction
  • Guest house construction
  • Backyard ADU building
  • Casita design and construction
  • In-law suites and multigenerational living spaces
  • Attached ADUs or home additions with private entries

Design & Permitting Support

Navigating city regulations, codes, and permits can feel confusing, especially in rapidly growing areas like Peoria and North Phoenix. We take care of all of these steps so there are no delays or complications.

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Our team uses advanced design software to produce floor plans and 3D models, giving you a clear understanding of the final product before we start construction. Because we know local zoning rules, we streamline the process and prevent issues that commonly slow down projects.

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Experience That Makes a Difference

Our owner, Mark Kelso, began his career in the trades at just seventeen years old as an Electrician followed by working in various Management positions with major local home builders, giving him the knowledge and experience to follow his passion for design and quality home building by starting Kelso Custom Builders. Today, he and his wife Jamie run Kelso Custom Builders, bringing decades of experience to families throughout Phoenix, Peoria, Glendale, Scottsdale, Paradise Valley, Fountain Hills and Northern Arizona.

Our company is built on honesty, professionalism, and a dedication to exceeding expectations. When you choose us, you receive personal attention from start to finish, clear communication, and no hidden costs. We are licensed general contractors committed to delivering exceptional results that stand the test of time.

ADU Construction Services Home Addition Services

Affordable, High-Quality Renovations

We understand that cost is one of the biggest concerns homeowners have when planning a renovation or custom home. Our approach to affordable home renovation focuses on smart planning, practical design solutions, and efficient construction methods.

We walk you through pricing, offer honest recommendations, and help you make decisions that strengthen both your home and your investment.

Proudly Serving Arizona & the Greater Phoenix Area

Our services extend across Peoria, Glendale, Surprise, North Phoenix, and the surrounding communities. Along with Custom Home Building in Northern Arizona. The blend of mountain views, desert trails, golf courses, and family-focused neighborhoods makes this region a unique and rewarding place to build or upgrade a home. We take pride in contributing to the beauty of these communities through thoughtful design and long-lasting craftsmanship.

Our Service Areas:

Scottsdale, AZ / Mesa, AZ / Tempe, AZ / Glendale, AZ / Chandler, AZ / Gilbert, AZ / Peoria, AZ / Buckeye, AZ / Casa Grande, AZ / Prescott, AZ / Coconino County, AZ / Gila County, AZ

Testimonials

Rating Stars

Jenny H.

Great communication, great guy, gets job done in very very timely fashion. Had a new kitchen built, redo of our vent system, renovation of our atrium and entertainment room and tiling of our bedroom all in 2 months.

Rating Stars

Margaret H.

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

Rating Stars

Mark Z.

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

A Better Way to Build the Home You Imagine

Choosing the right team for your custom build or renovation can completely change your experience. Our goal is to provide a smooth, transparent, and enjoyable process where your voice is heard and your home reflects your lifestyle. Whether you want to create more living space, redesign key rooms, or bring a custom home to life from an empty lot, we offer the skill and guidance needed to make it happen. With strong attention to detail, a personalized approach, and years of experience in Arizona’s unique building environment, we deliver results that feel timeless and meaningful. When you are ready to explore what is possible for your home, our team is here to support your goals, answer your questions, and bring your vision to life with confidence and care.

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