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Additions, Structured Work & ADU

Need more space or looking to enhance your home’s value? Horizon specializes in seamless home additions, from extra bedrooms to outdoor kitchens. We handle everything – design, budgeting, and material selection, ensuring all projects meet city codes and your expectations. Our commitment: your safety, satisfaction, and a smooth process from start to finish. Let’s turn your home expansion dreams into reality.

SERVICES WE OFFER

Room Additions​

New Bathrooms​

Interior Design​

Sunroom Additions​

Garages & Conversions​

Extensions​

about the process

When it comes to enhancing your living space, room additions combined with Accessory Dwelling Unit (ADU) construction offer unparalleled versatility and value. These projects not only increase square footage but also provide additional living accommodations — whether for extended family, rental income, or work-from-home setups — making them a popular choice for homeowners seeking to maximize their property’s potential. According to California’s Department of Housing and Community Development, ADUs are a key solution to expanding housing options in urban and suburban neighborhoods.

Navigating the Room Addition and ADU Construction Process

At Horizon Construction & Remodeling, we understand the complexities involved in room additions and ADU construction. From the initial planning stages to the final touches, our team works diligently to ensure a seamless integration with your existing home while adhering to local building codes and regulations.

Strategic Planning for Success

Our approach to room additions and ADU construction is rooted in strategic planning and value engineering. By consolidating design, engineering, and construction services under one roof, we streamline the process and provide you with a single point of contact for accountability. Our goal is to maximize efficiency and minimize costs without compromising on quality or craftsmanship.

Efficient Design-Build Coordination

As a design-build firm, we oversee every aspect of your project, from concept to completion. Our dedicated project managers work closely with our team of skilled craftsmen to ensure that your room addition and ADU construction proceed smoothly and according to schedule. With our comprehensive understanding of local building regulations, we navigate permit procedures seamlessly, keeping your project on track every step of the way.

Maximizing Value, Minimizing Stress

We are committed to delivering maximum value for your investment while minimizing stress throughout the remodeling process. Our transparent communication and customer-focused approach ensure that your needs and expectations are met at every stage of the project. From optimizing existing structures to leveraging cost-effective materials, we strive to make your room addition and ADU construction experience as seamless and stress-free as possible.

Trusted Excellence in Remodeling

Horizon Construction & Remodeling is proud to be recognized among the top remodeling contractors in Los Angeles and Orange County areas. With a proven track record of excellence and a portfolio of successful projects, we are dedicated to exceeding your expectations. Let us help you unlock the full potential of your home with our expert room addition and ADU construction services—contact us today to schedule a consultation and take the first step toward transforming your living space.

Other Remodeling Services We Offer

Why Choose Horizon Remodeling For Additions, Structured Work and ADU

At Horizon Remodeling, we specialize in delivering high-quality home renovation solutions designed to elevate your space and increase property value. With over 15 years of experience, our team proudly serves Fullerton and the surrounding areas, offering expert craftsmanship in every project — from complete home remodels to custom additions and ADUs.

Looking to expand your living space? Our room additions and ADU construction services are built to meet your unique needs while staying compliant with California’s latest building codes. Whether it’s creating a new in-law suite, a rental unit, or a structured expansion, we ensure every detail is handled with precision.

We also provide interior renovation services such as kitchen remodeling, bathroom upgrades, painting, flooring, and garage conversions. Every project is tailored to match your vision while maximizing functionality, beauty, and long-term durability.

When you choose Horizon Remodeling, you’re not just hiring a contractor — you’re partnering with a dedicated team that values integrity, transparency, and top-tier results. Contact us today to schedule your consultation and bring your dream renovation to life.

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