Room Additions & Living Space Renovations in Los Gatos

Expand Your Home with Seamless Additions & Interior Renovations

Need more space without moving? At OCA Builders, we specialize in high-quality home additions and interior renovations that give your home the extra room it needs while enhancing its beauty, comfort, and functionality. Whether you’re adding a bedroom, extending a family room, or upgrading underused areas like home offices or laundry rooms, we tailor every project to your goals and lifestyle.

As a trusted general contractor in Los Gatos, we handle the entire process—from design and permitting to construction and finishing. Let us help you transform your house into your forever home with smart, seamless expansions and modernized living spaces.

Home Addition & Renovation Services We Offer

home improvement contractors

Room
Additions

Add valuable square footage with custom-designed bedrooms, offices, playrooms, or guest suites that blend seamlessly into your existing home.

IMG_0670

Family Room
Expansions

Create a larger, more inviting living area perfect for relaxing, entertaining, and spending time with family—all with upgraded finishes and layout improvements.

7ebe12d6ac9e0e76cf12c99bc03ada32-cc_ft_768

Interior Space
Remodeling

Transform underutilized areas like lofts, dens, or storage rooms into stylish, functional living spaces customized to your lifestyle needs.

ADU garage conversion

Garage
Conversions

Convert your garage into a livable area—such as a home office, gym, or studio—without the cost of a full addition.

IMG_0412

Second-Story
Additions

Maximize your lot without expanding outward by adding a second floor—ideal for growing families or homeowners looking to increase property value.

Best Remodeling Contractors Near Me in San Jose

Open-Concept
Conversions

Remove walls and reconfigure your layout to create bright, airy, open living spaces that improve flow and modernize your home.

Why Choose OCA Builders in Los Gatos
for Your Kitchen Remodel

Seamless Integration

We design additions and renovations that blend perfectly with your home’s existing structure, style, and layout.

Local Code Expertise

As a Los Gatos-based contractor, we understand local zoning laws and building codes—ensuring a smooth, permit-approved process.

Customized Design Solutions

Every project is tailored to your family’s needs, with smart layouts and finishes that match your lifestyle and vision.

Transparent Estimates & Timelines

We provide honest pricing, clear scheduling, and open communication from design to final inspection.

Full-Service Team

From architectural planning to final paint touch-ups, we handle every step in-house to deliver consistent quality and accountability.

See Our Home Addition & Renovation Projects

Browse completed room additions, interior remodels, and space conversions by OCA Builders. See how we’ve helped Los Gatos homeowners expand and enhance their homes.

Get a Free Consultation with OCA Builders

Have questions about your home renovation, ADU, or new construction project? Fill out the form below to schedule your free, no-obligation consultation today.

What to Know Before Expanding or Remodeling Your Living Space

Frequently Asked Questions
About Home Additions & Renovations

Most home additions take between 2 to 4 months, depending on the size, complexity, and permitting timeline. We’ll provide a detailed schedule upfront and keep your project on track.

Yes. Most additions and major renovations require city permits. OCA Builders handles all permitting and approvals to ensure your project complies with local regulations.

Absolutely. We specialize in seamless additions that match your home’s architecture, roofline, finishes, and overall design—so it looks like it was always part of the house.

Costs vary based on the scope and features, but most additions in Los Gatos start around $300–$500 per square foot. We provide clear, customized estimates for every project.

Garage conversions use existing space and structure, making them more affordable. Home additions involve new construction, offering more design flexibility and square footage.

In most cases, yes. We work in phases and take precautions to reduce disruption. For major remodels, we’ll work with you to determine the best plan.

READY TO GET STARTED?