Custom Room Additions

More Space for Life’s Next Chapter, Room to Grow Without Moving Away

Recent Room Additions

Creative & Visionary Room Additions

Bedroom Additions

Add a guest suite, nursery, or additional bedroom to accommodate a growing family or multi-generational living.

Bathroom Additions

From compact powder rooms to spa-like master baths, we build custom bathrooms that elevate your home’s functionality and comfort.

Kitchen Extensions

Expand your existing kitchen with more room for storage, dining, or entertainment—seamlessly integrated with your current layout.

Full Room Bump-Outs

Add square footage to any room—such as a living room, den, or dining area—without a full second-story or wing expansion.

Second-Story Additions

Add a complete upper level to your home for bedrooms, bathrooms, or an entirely new living space—without changing your footprint.

    Bonus Rooms & Playrooms

    Create flexible spaces for kids, hobbies, gaming, or casual hangouts—customized for how your family lives.

    Home Offices

    A dedicated workspace built for focus and function, perfect for remote professionals or home-based businesses.

    Sunrooms & Enclosed Patios

    Bring in natural light and outdoor views with sunrooms or four-season enclosed patios—ideal for relaxing year-round.

    In-Law Suites | Guest Quarters

    Private additions with bedrooms, bathrooms, and sometimes kitchenettes—perfect for extended stays or live-in family members.

    Home Gyms or Studios

    Build a space designed for fitness, music, art, or personal passions—tailored to your lifestyle.

    Recent Client Reviews

    Why Clients Choose Us

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    Room Additions & Remodeling Since 2005

    We’ve been delivering high-quality modern room additions to Southern California homeowners since 2005—building a trusted reputation for integrity, skilled craftsmanship, and results that stand the test of time.

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    Built on a Trusted Reputation & Referrals

    Over 95% of our room additions come from client referrals—earned through dependable results, strong relationships, and the trust we build on every project.

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    Only the Best Materials For Lasting Results

    No Compromise, we use premium, proven materials in every phase of our room additions to ensure your new space not only looks great but holds up for years to come.

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    Fully Custom Additions

    Whether you have detailed plans or just an idea, we offer fully customized room additions tailored to your needs. If you can picture it, we can bring it to life—exactly the way you imagined.

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    Owner-Led Oversight on Every Room Addition

    From initial planning to final walkthrough, Lincoln James is personally involved in every room addition project—providing clear communication, precise coordination, and dependable accountability every step of the way.

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    Reliable Scheduling & Budget Management for Room Additions

    When it comes to room additions, we know how important it is to stay on track. Our organized approach ensures your project runs smoothly, sticks to the timeline, and stays within your budget—without unexpected delays or costs.

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    Licensed & Fully Insured

    As a licensed California contractor (#B-860952), we follow all local building codes and regulations—making sure your room addition is completed safely, legally, and to the highest professional standards.

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    Locally Owned & Community Focused

    Lincoln James Construction is proudly local to Ventura and Los Angeles Counties. We understand what homeowners in our community need and approach every room addition with the same care, honesty, and personal service we’d give our own neighborhood.

    Some of Our Clients

    Steve Thomas BMW of Camarillo

    Las Posas Country Club of Camarillo

    Spanish Hills Club of Camarillo

    Soundtronics in Burbank

    Montecito Club in Santa Barbara

    Mrs Olsens Coffee Hut

    Our Services

    Hardscape & Masonry

    New Construction

    Construction Room Addition A

    Room Additions

    Hardscape & Masonry

    Kitchen Remodeling

    Bathroom Remodel Construction A

    Bathroom Remodeling

    ADU Construction A

    ADU's

    Commercial Construction A

    Commercial Construction

    Commercial Construction Remodel A

    Commercial Remodeling

    Commercial Construction Tenant Improvement A

    Tenant Improvements

    805-794-4969