ADU Contractor · Fresno, CA

Fresno ADU Construction: Built Right, Built to Last

We design and construct custom Accessory Dwelling Units in Fresno, CA, providing durable, code-compliant living spaces.

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ADU Contractor Experts

Building ADUs for Fresno Homeowners

Integrity ADU specializes in the complete lifecycle of Accessory Dwelling Unit construction right here in Fresno. We manage everything from initial site assessment and architectural planning to final utility connections and landscaping integration. Our process starts with a thorough understanding of your property's specific characteristics, including soil composition – a critical factor in Fresno's varied geology, which influences foundation design. We prioritize structural integrity, using properly engineered concrete slabs with vapor barriers to prevent moisture intrusion, especially important given our hot summers and occasional heavy rains. Every ADU we build adheres strictly to Fresno's zoning ordinances and the California Building Code, ensuring your investment is compliant and adds genuine value. We specify high-performance insulation, like R-21 walls and R-38 ceilings, to manage energy consumption efficiently in our climate, which means lower utility bills for the occupant. Our commitment is to deliver a fully functional, resilient ADU that enhances your property and serves its purpose for decades.

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Our ADU Contractor Services

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Attached ADU

Attached ADU

Attached ADU construction involves building a secondary dwelling unit that shares a common wall with the primary residence, often utilizing existing utility connections. This solution maximizes property use and can generate significant rental income or provide flexible living space for family members.

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Detached ADU

Detached ADU

A detached ADU is a standalone structure separate from the primary residence, providing independent living space with its own kitchen, bathroom, and entrance. This option maximizes privacy and offers flexible usage, from rental income to dedicated guest quarters or a home office.

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Garage Conversion

Garage Conversion

Garage conversion involves transforming an existing garage structure into a fully functional living space, including new foundations, framing, utility extensions, and interior finishes. This process adds significant usable square footage to your property without expanding its footprint, enhancing property value and utility.

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ADU Permitting

ADU Permitting

ADU permitting involves navigating Fresno's specific zoning ordinances and building codes to secure legal approval for your accessory dwelling unit project. This process ensures your ADU is compliant, avoiding costly delays or rework during construction.

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ADU Design

ADU Design

ADU design involves creating detailed architectural plans, structural drawings, and material specifications for your accessory dwelling unit. This comprehensive planning ensures your ADU is code-compliant, functional, and optimized for your property in Fresno.

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ADU Engineering

ADU Engineering

ADU Engineering provides the structural and civil plans required for safe, compliant Accessory Dwelling Units in Fresno. This service ensures your ADU foundation, framing, and utility connections meet all local building codes and geological considerations.

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ADU Financing

ADU Financing

ADU financing involves securing the capital needed to design, permit, and construct your Accessory Dwelling Unit, including options like construction loans, home equity lines of credit, or specialized ADU mortgages. This structured approach helps homeowners in Fresno fund their ADU projects efficiently, turning property potential into tangible living space or rental income.

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ADU Construction Management

ADU Construction Management

ADU Construction Management involves overseeing every phase of your accessory dwelling unit project, from initial design review to final inspection and occupancy. This service ensures your ADU is built efficiently, to code, and within your established budget and timeline.

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Junior ADU (JADU)

Junior ADU (JADU)

A Junior ADU (JADU) involves converting existing habitable space within an existing single-family home into a separate living unit, typically under 500 square feet, including a kitchenette and bathroom. This conversion adds significant property value and creates flexible living arrangements without expanding the home's footprint.

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ADU Site Assessment

ADU Site Assessment

Our ADU Site Assessment service provides a detailed analysis of your property's potential for an Accessory Dwelling Unit, covering zoning, utilities, and site-specific challenges. This initial evaluation clarifies feasibility and identifies critical factors early, saving time and resources on your ADU project.

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Fresno's Local ADU Contractor Experts

Integrity ADU is proud to serve Fresno, CA and the surrounding communities. Our reputation is built on honest work, clear communication, and results that hold up over time.

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Frequently Asked Questions

The typical timeline for building an ADU in Fresno, CA, from initial design to final occupancy, ranges from 6 to 12 months. This includes 2-4 months for design and permitting with the City of Fresno's Development Department, followed by 4-8 months for construction. Factors like the complexity of the design, site conditions, and the responsiveness of city departments can influence these durations, but we aim for efficient progression at every stage.
Common foundation types for ADUs in Fresno's soil conditions typically include slab-on-grade foundations. Given the expansive clay soils found in many parts of Fresno, we often specify a post-tensioned slab or a reinforced concrete slab with a thickened edge beam, designed by a structural engineer to mitigate the effects of soil movement. This approach provides a stable and durable base for your ADU, preventing future structural issues caused by soil expansion and contraction.
In Fresno, CA, current ADU size restrictions allow for up to 1,200 square feet for detached units and up to 50% of the primary dwelling's size for attached units, with a minimum of 150 square feet. Setback requirements are generally 4 feet from the side and rear property lines, which provides flexibility for placement on most residential lots. These regulations are designed to integrate ADUs harmoniously into existing neighborhoods while maximizing their utility.
ADU utility connections in Fresno typically involve tying into the existing services of the primary dwelling for water, sewer, and electricity. For electrical, this often means upgrading the main service panel of the primary home to accommodate the additional load, or installing a sub-panel for the ADU. Gas lines can also be extended. All connections must meet PG&E and City of Fresno Public Utilities standards, and we manage all necessary trenching and hookups to ensure proper functionality and code compliance.
For ADUs in Fresno's climate, we typically specify high-performance insulation like R-21 batt insulation for exterior walls and R-38 blown-in or batt insulation for ceilings, which significantly reduces heat transfer during our hot summers and cool winters. For roofing, we commonly install 30-year architectural asphalt shingles or a cool roof system with a high Solar Reflectance Index (SRI) to minimize heat absorption. These choices contribute to a more energy-efficient and comfortable living space year-round.

Proudly Serving Fresno and the Surrounding Area

From Fresno to the surrounding communities, we bring the same level of care and craftsmanship to every job — whether it's a quick repair or a full project.

ADU Contractor · Fresno, CA

Start Your Fresno ADU Project Today

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