PREMIER CONTRACTOR IN NATIONAL CITY
Dealing with older homes, limited space, or the headache of local permits? Avoid the delays and stress of unreliable contractors. Bernal Builders is your trusted local partner for seamless, high-quality construction and remodeling across National City.
Licensed & Insured · Local Permit Experts · Fast & Free Quotes
Maximize your property's value with custom accessory dwelling units and garage conversions tailored to local zoning laws.
Transform your outdated spaces with our comprehensive home remodeling services, designed for modern living standards.
Ensure structural integrity with our expert concrete and foundation services, built to withstand Southern California conditions.
Stay compliant with California state laws through our thorough balcony and deck safety inspections for multi-family properties.
From initial blueprints to final permits, our expert engineering team brings your construction projects to life seamlessly.
Navigate complex local regulations and project planning with our expert consulting for residential and commercial builds.
Navigating National City's unique zoning laws and permitting processes requires deep local knowledge. Our extensive experience across San Diego County ensures your project starts smoothly and stays compliant from day one.


Your home is your most valuable asset, and we treat it with the respect it deserves. We are fully licensed and insured, prioritizing safety, pristine job sites, and crystal-clear communication so you never have to guess what happens next.
We blend high-end architectural precision with the rugged reliability needed for lasting homes. From the first pour of concrete to the final interior detail, we deliver fast, transparent estimates and construction quality that elevates your property's value.

As a trusted local general contractor, Bernal Builders has deep roots serving the diverse communities that make up this vibrant area. From historic home renovations near Old Town to modern ADU developments in Paradise Valley, we understand the specific architectural nuances, permit requirements, and structural needs of every neighborhood. We are proud to bring high-quality craftsmanship to your doorstep, no matter where you are located.
Whether you are looking to build a new ADU, remodel your home, or need expert construction consulting in National City, our doors are open. Stop by our office or give us a call to discuss your next project.
Address:
3343 Durant Street, San Diego, CA 92113
Email:
[email protected]
Business Hours:
Monday - Friday: 8:00 AM - 5:00 PM

Bernal Builders transformed our property with a stunning new ADU. The team's knowledge of National City permits and building codes made the entire process completely seamless from start to finish.

We contracted Bernal Builders for a comprehensive home remodel in Downtown National City. Their structural expertise and craftsmanship exceeded all our expectations, and they kept us informed daily.

Turning our unused space into a functional garage conversion was the best decision. The crew was highly professional, and the finish quality in our Cypress Glen home is exceptional.

Our calendar for new projects in National City is filling up quickly. Secure your spot today and let's bring your vision to life before our schedule is fully booked.
Call Now: 1-(619)-622-9963 ( Vanessa B.)
The cost of an ADU in National City varies widely based on size, design, and site conditions, typically ranging from $100,000 to $300,000+. We provide detailed, transparent estimates after assessing your specific property and goals.
Yes, converting a garage into a livable space or ADU requires proper permitting from the National City Building Department. Bernal Builders handles the entire permitting process, ensuring your project meets all local zoning and building codes.
SB 721 requires mandatory inspections of exterior elevated elements (like balconies and decks) for multi-family buildings with three or more units. Our experts provide compliance inspections and necessary repairs to keep your property safe and up to code.
A standard home remodel can take anywhere from 4 to 12 weeks, while major structural changes or ADU builds may take 3 to 6 months. We prioritize clear timelines and efficient project management to minimize disruption to your daily life.
Look for a licensed, insured, and locally experienced general contractor with a proven track record. Checking local references, verifying their understanding of National City regulations, and ensuring they communicate clearly are essential steps before beginning your project.
Navigating local building codes and project planning can be overwhelming. Our National City construction experts are ready to provide the clarity you need to move forward.
Email: [email protected]
Visit: 3343 Durant St, San Diego, CA
While National City is our home base, Bernal Builders proudly brings our high-quality construction, ADU, and remodeling services to surrounding communities across San Diego County.





Bernal Builders brings decades of structural expertise and high-end craftsmanship to every project. We are proud to be the trusted local partner for homeowners and businesses throughout National City and the surrounding communities. When you build with us, you build on a foundation of reliability and excellence.
3343 Durant Street, San Diego, California 92113
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