JDB Builders Phoenix specializes in ADU construction, offering custom design, permitting, and construction management. Services include detached ADUs, guesthouses, in-law suites, and garage conversions, all built to local zoning codes.
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Arizona Garage Builders is an Arizona-based construction company with 25+ years of experience specializing in custom garages, RV garages, casitas, and accessory dwelling units (ADUs). They offer free 3D renderings and a 100% satisfaction guarantee... read more
AzADU (ROC 351233) builds ADUs across Greater Phoenix Valley, offering pre-approved floor plans like The Chameleon, Bisbee & Camelback. Experts in Arizona ADU laws HB 2720 & HB 2928, they handle permits to move-in.
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Caine and Company is a Scottsdale-based design-build firm specializing in custom Casitas, guest houses, ADUs, and pool houses. Founded 22 years ago, they offer fixed-price contracts, in-house design, and full construction management across Phoenix... read more
Arizona custom home builders & ADU contractors serving Peoria & the Valley. Expert remodeling, detached ADUs & new builds with personalized planning, quality craftsmanship & clear communication throughout every project.
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Mohave Homes Inc. offers quality manufactured & modular homes via Cavco Durango and Cavco West. Ideal for first-time buyers & retirees, they provide energy-efficient floor plans built to consistent construction standards.
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Bello Construction, led by Narsay and Sami, specializes in home remodeling and additions. Known for quality workmanship, budget management, and clear communication, they handle projects like bedroom, bathroom, and in-law suite additions.
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Phoenix ADU contractor specializing in custom accessory dwelling units, garage conversions, granny flats & in-law suites. Tailored designs, eco-friendly materials & energy-efficient builds to maximize property value.
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Professional drafting & design services for custom homes, ADUs, Casitas & RV garages. New builds from $4,000, remodels/additions from $4,000. Structural engineering, consultations & site plans also available. Transparent, structured pr... read more
TRU ADU is Arizona's trusted ADU builder, specializing in accessory dwelling units, in-law suites & backyard cottages. Their transparent 6-phase process covers site analysis to construction, delivering stress-free, high-quality builds statewid... read more
Constructum is an Arizona-based design and build firm with 23+ years of experience serving Scottsdale, Paradise Valley, and Phoenix. Specializing in ADUs, casitas, guesthouses, custom homes, and renovations, they manage permitting, design, and con... read more
Handi Services specializes in custom Casitas & ADUs, offering full-service design, permitting & construction. Boost property value, generate rental income & create flexible living spaces tailored to your needs.
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Old Reliable builds ADUs, casitas & granny flats across Arizona's Valley. As a design-build ADU contractor, they handle floor plans, permits & construction in-house, offering customizable layouts to add property value or rental income.
read moreArizona's unique climate and rapid population growth have made Accessory Dwelling Units (ADUs) an increasingly popular housing solution across the state. With scorching summers regularly exceeding 110°F in cities like Phoenix and Tucson, experienced ADU contractors in Arizona must design and build units that prioritize energy efficiency, proper insulation, and heat-resistant materials. The desert environment demands specialized construction knowledge, including the use of stucco exteriors, cool roofing systems, and high-efficiency HVAC solutions that can withstand extreme temperatures year-round.
In 2023, Arizona passed House Bill 2720, a landmark piece of legislation that significantly expanded ADU rights across the state. This law requires municipalities to allow ADUs on any single-family or multi-family residential lot, overriding many previously restrictive local zoning ordinances. Skilled Arizona ADU contractors must stay current with both state law and individual city requirements, as cities like Phoenix, Scottsdale, Tempe, and Tucson each maintain their own permitting processes and development standards. Key regulatory considerations include:
Choosing the right ADU contractor in Arizona is critical to ensuring your project is completed on time, within budget, and in full compliance with local codes. A reputable contractor should hold a valid Arizona Registrar of Contractors (ROC) license, which is required for all residential construction work in the state. When evaluating potential contractors, homeowners should look for:
Arizona ADU contractors typically build several types of accessory dwelling units depending on the homeowner's needs and lot configuration. Common options include detached ADUs, which are standalone structures separate from the main home, attached ADUs that share a wall with the primary residence, and garage conversions, which are especially popular in suburban Phoenix neighborhoods. Junior ADUs (JADUs), which are smaller units created within the existing footprint of a home, are also permitted under Arizona state law.
With Arizona's population continuing to grow and housing affordability remaining a top concern, the demand for qualified ADU builders in Arizona is stronger than ever. Whether you're looking to house a family member, generate rental income, or increase your property value, working with a licensed and experienced Arizona ADU contractor ensures your investment is protected and your project meets all state and local requirements.