Decades of Craftsmanship: Building Your Vision
With nearly 40 years of experience, A-1 Contractors stands as a pillar of reliability and expertise in the Central Valley, offering unparalleled general contracting services, particularly in remodels and Accessory Dwelling Units (ADUs).
Founded in 1985 by Jose Luis Esparza, the company has evolved from a specialized lighting and electrical business into a comprehensive corporation dedicated to transforming homes and enhancing livability throughout communities like Fresno, California.


Comprehensive Services for Fresno Homeowners
A-1 Contractors is dedicated to enriching Fresno, California, through expertly designed and constructed ADUs and custom remodels. Whether you’re looking to expand living space, increase property value, or reimagine your interiors, we offer a wide range of services tailored to the evolving needs of homeowners in Fresno and the surrounding areas.
Our services include:
- Custom ADU Design & Build
- Garage Conversions to ADUs
- Kitchen Remodels
- Bathroom Remodels
- Whole-Home Renovations
- Room Additions & Extensions
- Interior & Exterior Upgrades
A Local Focus on Fresno and Beyond
As a locally owned and operated business, we are proud to serve Fresno, California, and a 50-mile radius from Visalia, encompassing communities in Tulare, Kings, Fresno, and Kern counties.
Our deep understanding of the local landscape, from the vibrant Tower District to the serene Woodward Park, allows us to undertake projects that truly resonate with the character of Fresno homes.
Our commitment to the community extends beyond construction; it’s about building lasting relationships and enhancing the comfort, value, and beauty of homes across the Central Valley. We are members of the City of Tulare Chamber of Commerce, Exeter Chamber of Commerce, and Kingsburg Chamber of Commerce, demonstrating our active participation in the regional business community.

Experience and Expertise You Can Trust
A-1 Contractors is led by Jose Esparza, a self-taught industry veteran with 40 years of hands-on experience in construction. His journey began at 19, driven by a desire for more than a field worker’s life, a testament to the dedication and resilience embedded in the company’s DNA.
We hold both Class B general builder and Class C10 general electrical licenses, ensuring that every project, from concept to completion, adheres to the highest standards of quality and safety.
Our team continually stays abreast of the latest industry developments, attending key trade shows such as the International Builders Show, National Hardware Show, and National Electrical Contractors Association Trade Show to bring innovative solutions to your doorstep.
At A-1 Contractors, our work is guided by core values that have been integral to our development since 1985: honesty, respect, and simplicity. We believe in upholding integrity and transparency in every project, delivering exceptional quality with decades of experience, and embracing forward-thinking design to meet modern homeowners’ evolving needs. Your vision is our blueprint, and we prioritize open communication and tailored solutions to ensure your complete satisfaction.
Testimonials From Our Happy Clients.

FREQUENTLY ASKED QUESTIONS
Can I live in my home during the remodel?
In many cases, yes. We’ll work with you to minimize disruption and maintain a safe, clean worksite. For larger remodels, temporary relocation may be recommended to ensure your comfort and safety throughout the process.
How much does an ADU cost?
Costs vary depending on size, type, and features. We offer free estimates and will walk you through options that fit your budget and goals. Our aim is to provide transparent pricing and help you understand the investment involved in your ADU project.
Do you offer financing options for projects?
Yes, we partner with trusted lenders to offer flexible financing options for ADUs and remodels. These include low-interest home improvement loans, HELOC guidance, and payment plans to help make your project more affordable and accessible.
Can I use my home equity to fund a project?
Absolutely. Many clients successfully use a Home Equity Line of Credit (HELOC) or cash-out refinance to fund their ADU or remodel. We can connect you with lenders who specialize in home improvement financing to explore these options.
What makes A-1 Contractors different from others?
With nearly 40 years of experience, we combine local expertise, personalized service, and top-tier craftsmanship. Our focus on ADUs and remodels is backed by a full-service construction team and a reputation for doing things right the first time.
For your next home transformation project, trust the #1 general contractor in Fresno, CA.
Contact us today to discuss your vision for your home.
GET STARTED