ADU Contractors in Arizona
Handi Service
7014 East Camelback Road, Scottsdale, AZ 85251
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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Homework Remodels
4105 North 20th Street, Phoenix, AZ 85016
Homework Remodels builds custom ADUs in Phoenix & Scottsdale, AZ. From detached casitas to garage conversions, they handle design, permits, and construction for rental income, multi-gen living, or guest quarters.
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Tiny Homes of Tucson
12490 N Lantern Way, Oro Valley, AZ 85755
Tiny Homes of Tucson is a trusted ADU builder in Arizona specializing in detached ADUs, garage conversions, casitas, pool houses & home offices. Full-service design, permitting & construction with flexible financing & workmanship warranties.
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Old Reliable Construction
Phoenix, AZ 85029
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.
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TRU ADU
515 East Grant Street, Phoenix, AZ 85004
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 statewide.
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Coli Studio
200 East Van Buren Street, Phoenix, AZ 85004
Coli Studio is a trusted ADU builder in Arizona and Florida, specializing in custom accessory dwelling units, casitas, granny flats, and in-law suites. They manage design, permits, and construction end-to-end for a stress-free experience.
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Cavco Goodyear
1300 South Litchfield Road, Goodyear, AZ 85338
Cavco Goodyear, AZ, offers manufactured & modular homes, including ADU, granny flat & Casita options. Factory-built for quality & speed, they serve Goodyear & greater Phoenix. Verify local zoning before purchase.
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Frei Remodeling
3830 East 44th Street, Tucson, AZ 85713
Cheyenne Construction & Development
19984 E Caesar Rd, Queen Creek, AZ 85142
Cheyenne Construction & Development, serving Arizona's East Valley since 1975, specializes in ADUs, casitas, granny flats, custom homes, and remodeling across Tempe, Chandler, Mesa, Gilbert, and surrounding areas.
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Constructum
10222 N 99th Pl, Scottsdale, AZ 85255
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 construction end-to-end.
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Bello Construction
PO Box 18, Gilbert, AZ 85299
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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Mohave Homes Inc.
4311 Arizona 68, Golden Valley, AZ 86413
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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Hochuli Design & Remodeling Team
2501 Hayden Road, Scottsdale, AZ 85257
Hochuli Design & Remodeling Team is a Phoenix, AZ design-build contractor offering kitchen, bathroom, whole-home remodels & home additions. Their integrated design-construction approach ensures quality, accountability & fewer costly miscommunications.
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Other cities in Arizona
What you need to know
ADU Contractors in Arizona: Building in the Desert Southwest
Arizona'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.
Arizona ADU Regulations and Zoning Laws
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:
- Setback requirements that vary by municipality
- Maximum ADU size limitations, often tied to the primary dwelling's square footage
- Owner-occupancy requirements, which differ by city
- Utility connection and metering regulations
- Parking requirements that may be waived near public transit corridors
What to Look for in an Arizona ADU Contractor
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:
- Proven experience with ADU construction in Arizona's climate
- Familiarity with local permitting processes in your specific city or county
- A strong portfolio of completed ADU projects
- Transparent pricing and detailed written contracts
- Knowledge of energy-efficient building practices suited to desert environments
Types of ADUs Built by Arizona Contractors
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.
The Growing Demand for ADU Construction in Arizona
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.