Need a Home Addition Contractor in Brentwood, CA?
Carey Bros. Design & Build Remodeling
Finding a home addition contractor you can truly trust can be a challenge. You want a team that listens carefully, respects your home, and understands how to blend new space seamlessly with your existing structure. That’s exactly what Carey Bros. Design & Build Remodeling delivers.
As a locally trusted home addition contractor in Brentwood, we understand the character and diversity of the homes in our community — from classic ranch-style layouts and family-friendly suburban homes to elegant custom estates. Our approach ensures every addition not only meets your immediate needs but enhances your home’s overall flow, function, and style.
When you invite us into your home, you’re getting more than a construction crew. You’re getting a full-service design-build team dedicated to bringing your ideas to life with precision and care. We coordinate everything — design concepts, material selection, structural integration, city permits, and finishing touches — so you can focus on enjoying the process instead of managing it.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
Your Design, Build, Remodeling Contractors. Since 1978.
Why Brentwood Homeowners Trust Our Home Addition Experts
When it comes to home additions, experience and trust matter just as much as design and craftsmanship. At Carey Bros. Design & Build Remodeling, we’ve earned the confidence of homeowners across Brentwood by consistently delivering remodeling projects that stand out for their precision, beauty, and lasting value.
Our team combines decades of remodeling expertise with a genuine commitment to service — ensuring every project we take on is completed with care, honesty, and attention to detail. We know that adding to your home isn’t just about square footage; it’s about creating a space that enhances how you live, relax, and connect with family every day.
Here’s why Brentwood residents continue to choose Carey Bros. for their home addition projects:
1. A True Design-Build Process
Home additions require perfect coordination between design, engineering, and construction. Our design-build approach brings all of these elements under one roof, giving you a seamless experience from start to finish. You’ll work with one trusted team that handles everything — concept development, permitting, material selection, and construction. The result? Clear communication, faster timelines, and a finished space that matches your vision down to the last detail.
2. Custom Designs for Every Home
No two homes in Brentwood are exactly alike — and neither are our home additions. We take the time to understand your lifestyle, family needs, and design preferences before crafting a solution that complements your home’s existing style and structure. Whether you’re expanding your kitchen, adding a bedroom, or building a second-story retreat, we ensure your new space blends beautifully and functions perfectly.
3. Honest, Transparent Communication
We’ve built our reputation on trust and integrity. From your first consultation to your final walkthrough, you’ll always know exactly what’s happening and what to expect. We provide detailed project timelines, clear estimates, and regular progress updates — so there are no surprises, just results you can feel confident in.
4. Quality Craftsmanship That Lasts
Our experienced builders and tradespeople take pride in their work. Every nail, joint, and finish is completed with care and precision. We use premium materials and proven techniques that ensure your home addition not only looks beautiful but performs beautifully for years to come. It’s the kind of craftsmanship you can see — and feel — every time you step into your newly expanded space.
5. Local Knowledge and Personalized Service
As a local Brentwood remodeling company, we understand the needs and priorities of homeowners in our community. From neighborhood zoning rules to local architectural styles, our experience ensures your project moves forward smoothly. We’re not just your contractors — we’re your neighbors, committed to making our shared community even better, one home at a time.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
Comprehensive Home Addition Services in Brentwood
At Carey Bros. Design & Build Remodeling, we understand that every home addition is as unique as the family who lives there. That’s why we offer a full range of custom home addition services in Brentwood, CA, designed to fit your lifestyle, your space, and your vision.
Our design-build process allows us to manage your entire project under one roof — from concept and design to construction and final finishes. Whether you want to expand your living space, add functionality, or improve your home’s flow, our team will guide you through every detail with care and expertise.
Here’s a closer look at the types of home additions we specialize in:
Room Additions
Need more space for a growing family? Our room additions are the perfect way to expand your home without moving. From new bedrooms and bathrooms to extended living rooms or offices, we design and build spaces that look and feel like they were always part of your original home.
Second-Story Additions
If your lot is limited but your dreams aren’t, a second-story addition can completely transform your home’s layout and value. We’ll ensure the new level blends seamlessly with your existing structure, matching everything from rooflines to finishes for a cohesive, elegant result.
Kitchen Expansions
The kitchen is the heart of your home — and when it feels too small or outdated, expanding it can dramatically improve your lifestyle. We design kitchen additions that provide more room to cook, entertain, and connect, incorporating modern layouts and timeless craftsmanship.
Master Suite Additions
Your bedroom should be a retreat. Our master suite additions create luxurious spaces complete with walk-in closets, spa-style bathrooms, and thoughtful details that make every day feel like a getaway — without leaving home.
Family Room and Great Room Additions
A spacious family room or great room addition can open up your home, creating an inviting area for gatherings, entertainment, and relaxation. We focus on maximizing light, flow, and comfort so your new space becomes the true center of family life.
When it comes to expanding your home, you deserve more than a builder — you deserve a partner who listens, designs, and delivers with care.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
Where We Work in Brentwood: Neighborhoods & Areas We Serve
As proud members of the local community, the team at Carey Bros. Design & Build Remodeling has worked on homes throughout Brentwood and the surrounding East Bay area. We understand the unique character of each neighborhood and tailor every project to fit its architectural style, space potential, and homeowner goals.
Here are just a few of the Brentwood neighborhoods and areas where we frequently provide home addition services:
Deer Ridge & Shadow Lakes
Known for their stunning golf course views and elegant family homes, these neighborhoods are ideal for second-story additions and custom family room expansions that take advantage of the scenic surroundings.
The Vineyards at Marsh Creek
This active adult community values open living spaces and elegant design. We’ve helped homeowners here create comfortable expansions and sunroom additions that complement their lifestyle while maintaining architectural harmony.
Apple Hill Estates
A gated community with spacious lots and traditional homes — perfect for kitchen and master suite additions that combine luxury and practicality. Our projects here often focus on maximizing flow and modern comfort while retaining the neighborhood’s refined character.
Rose Garden & Sterling Preserve
Popular with growing families, these areas are ideal for room additions, playroom expansions, and family-friendly great rooms that bring everyone together under one roof.
Downtown Brentwood
Historic and charming, this area often features older homes that benefit from smart, seamless additions. We specialize in preserving architectural integrity while adding modern functionality — ideal for kitchen expansions or in-law suites.
Neroly & Fairview Areas
With larger properties and flexible layouts, these neighborhoods offer excellent opportunities for ADUs, garage conversions, and detached living spaces.
Surrounding Brentwood Areas We Serve
In addition to central Brentwood, we proudly serve nearby communities across East Contra Costa County, including Oakley, Discovery Bay, Antioch, and Byron. Wherever you live in the region, our team is ready to help you reimagine your home.
Every neighborhood has its own charm — and every home addition enhances that charm through thoughtful design and lasting craftsmanship.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
Popular Types of Home Additions We Build in Brentwood
At Carey Bros. Design & Build Remodeling, we create custom home additions that enhance space, style, and functionality.
- Room Additions: Extra bedrooms, bathrooms, offices, or family rooms.
- Second-Story Additions: Expand your home upward for more living space.
- Kitchen & Living Area Expansions: Larger kitchens and open family areas for everyday living and entertaining.
- Master Suite Additions: Luxurious retreats with walk-in closets and spa-style bathrooms.
- Garage Conversions & ADUs: Functional living spaces or in-law suites.
- Sunrooms & Enclosed Patios: Bright, inviting spaces to enjoy natural light year-round.
Every addition is custom-designed to fit your home and lifestyle, with smooth planning and expert construction.
Transform your home with Carey Bros. Design & Build Remodeling. Ready to start your dream remodel? Contact us today!
Serving Brentwood for Over 40 Years – Local Home Remodeling Experts You Can Rely On
Few remodeling companies can match Carey Bros. Design & Build Remodeling’s 40+ years of experience transforming homes and earning trust in Brentwood. We help homeowners bring their ideas to life through beautifully designed, expertly built home additions, grounded in quality, integrity, and clear communication.
As a family-owned business, we treat every home like our own. Our projects reflect craftsmanship, care, and community pride, ensuring each addition blends seamlessly with your home. From consultation to construction, our dedicated team manages every step, making the process smooth and stress-free.
Choose Carey Bros. for trusted, reliable home additions in Brentwood — built on decades of expertise and a commitment to excellence.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
What to Consider Before Starting Your Home Addition Project
Starting a home addition project is exciting — but it’s also a major investment that requires careful planning and expert guidance. Before you begin, there are several important factors to consider to ensure your addition enhances your home’s beauty, comfort, and long-term value.
At Carey Bros. Design & Build Remodeling, we help homeowners in Brentwood make smart, informed decisions at every step of the process. Here’s what we recommend thinking about before you break ground:
1. Your Goals and Lifestyle Needs
Start by identifying why you want to add onto your home. Are you expanding for a growing family, creating space for guests, or improving flow and functionality? Understanding your primary goals helps our design team create a space that truly supports your lifestyle.
2. Budget and Investment
A clear budget is essential to every successful remodel. Our team provides transparent cost estimates and works with you to find materials and design solutions that maximize value without compromising quality. We’ll also help you plan for contingencies so there are no surprises along the way.
3. Local Building Codes and Permits
Each Brentwood neighborhood has its own zoning regulations, setback rules, and permit requirements. As local experts, we handle the entire permitting process for you — ensuring your home addition is built safely, legally, and to the highest standards.
4. Design Harmony
A well-designed addition should feel like it’s always been part of your home. Our design team carefully matches rooflines, exterior finishes, and interior details to maintain architectural consistency while elevating overall style and comfort.
5. Structural Considerations
Before adding new space, it’s important to assess your home’s existing foundation, load-bearing walls, and overall structural integrity. Our licensed professionals evaluate every detail to ensure your new addition is built on a solid foundation — literally and figuratively.
6. Energy Efficiency and Sustainability
Modern home additions can improve not only your space but your energy performance. We incorporate efficient insulation, windows, and HVAC systems to enhance comfort and reduce utility costs, helping you build a more sustainable home for the future.
7. Timeline and Logistics
Adding onto your home takes coordination and time. We create a realistic project timeline and communicate clearly so you always know what to expect. From demolition to finishing touches, our process is designed to minimize disruption and maximize results.
8. Choosing the Right Contractor
Perhaps the most important decision you’ll make is who to trust with your project. With more than 40 years of proven results, Carey Bros. offers the experience, skill, and reliability you need for peace of mind. We don’t just build additions — we build relationships grounded in integrity and respect.
9. Resale and Long-Term Value
A home addition isn’t just about space — it’s about smart investment. We design every project with long-term value in mind, ensuring your home remains appealing, functional, and valuable for years to come.
10. Your Personal Vision
Finally, think about how you want your addition to feel. Warm and inviting? Modern and open? Luxurious and private? Our design team works closely with you to bring your ideas to life — combining creative design with expert craftsmanship for a result that exceeds expectations.
Every successful home addition begins with thoughtful planning and the right partner. Carey Bros. Design & Build Remodeling makes that process simple, transparent, and rewarding — helping you love your home again through smart, beautiful design.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
FAQs About Home Additions in Brentwood, CA
1. How much does a home addition in Brentwood typically cost?
The cost of a home addition depends on the size, scope, materials, and design of the project. At Carey Bros. Design & Build Remodeling, we provide transparent, detailed estimates tailored to your specific goals and budget. Whether you’re adding a bedroom, expanding your kitchen, or building a second-story addition, we help you understand all costs upfront so there are no surprises.
2. How long does it take to complete a home addition?
Project timelines vary based on complexity, permitting requirements, and the type of addition. On average, smaller additions like a single room may take 6–10 weeks, while larger second-story additions or ADUs may take several months. Carey Bros. works closely with you to create a realistic timeline, keeping you informed at every step.
3. Do I need permits for a home addition in Brentwood?
Yes, most home additions require city permits to ensure structural safety and compliance with local building codes. As a local remodeling expert, Carey Bros. handles the entire permitting process, coordinating with Brentwood authorities so your project meets all legal requirements without delays.
4. Can you help design a home addition that matches my existing home?
Absolutely. One of our core strengths is seamlessly integrating new additions with your home’s existing architecture. From rooflines and exterior finishes to interior layout and materials, we ensure your new space feels natural, cohesive, and stylish.
5. What types of home additions do you specialize in?
We offer a full range of home addition services, including room additions, second-story expansions, master suites, kitchen expansions, garage conversions, family room additions, sunrooms, and ADUs. Every project is custom-designed to meet your family’s needs, lifestyle, and long-term goals.
6. How do you ensure quality craftsmanship?
Carey Bros. employs licensed professionals and experienced tradespeople who take pride in precision and detail. We use premium materials and proven construction techniques to ensure your addition is durable, beautiful, and built to last.
7. Will my home addition increase my property value?
Yes. Thoughtfully designed home additions not only provide more living space but can also increase your home’s resale value. Our team focuses on creating functional, stylish additions that appeal to buyers while enhancing your family’s daily life.
8. Can you work within a tight budget?
We understand that budgets vary. Carey Bros. helps you maximize your investment by selecting materials and layouts that deliver the most value for your money. We provide flexible options and creative design solutions to make your dream addition achievable.
9. How disruptive is a home addition project?
While any remodel involves some temporary disruption, our design-build approach minimizes inconvenience. We maintain a clean, organized job site, communicate regularly, and schedule work efficiently so your home remains livable and your daily routine is affected as little as possible.
10. How do I get started with a home addition project?
Starting your project is simple. Schedule a consultation with Carey Bros. Design & Build Remodeling, and our team will evaluate your home, discuss your goals, and provide a tailored plan. From design concepts to construction, we guide you through every step of the process.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
We Proudly Serve Brentwood and Surrounding Areas
At Carey Bros. Design & Build Remodeling, we are proud to serve homeowners not only in Brentwood but throughout the surrounding East Bay region. Our extensive experience in Contra Costa County ensures that whether your home is in a bustling neighborhood or a quieter, suburban community, we understand the unique requirements and architectural styles of each area.
Nearby Communities We Serve
- Oakley: Expanding family homes with custom additions and room expansions.
- Discovery Bay: Luxury homes and waterfront properties enhanced with master suite additions and second-story expansions.
- Antioch: Functional and stylish additions to maximize space in growing households.
- Byron: Rural and estate properties benefiting from full-scale home additions, ADUs, and garage conversions.
No matter where you are in Brentwood or the surrounding East Bay area, Carey Bros. delivers trusted, reliable, and professional home addition services. Our team is committed to building lasting relationships with every homeowner we work with, ensuring a seamless process and results you’ll enjoy for years to come.
Transform your home with Carey Bros. Design & Build Remodeling — where expert craftsmanship meets personalized design. Ready to start your dream remodel? Contact us today!
Get Reliable Home Addition Services in Brentwood, CA Today
If you’re ready to expand your home and create a space that meets your family’s lifestyle, Carey Bros. Design & Build Remodeling is your trusted partner in Brentwood, CA. With over 40 years of experience, we combine expert design, skilled craftsmanship, and a personalized approach to deliver home additions that look like they’ve always been part of your home.
From initial consultation and design to construction and finishing touches, we handle every step of your project — making it easier, faster, and more enjoyable. Whether you’re planning a room addition, second-story expansion, or ADU, our team ensures your home addition is completed on time, on budget, and to the highest standards of quality.
Take the first step toward your dream home today. Contact Carey Bros. Design & Build Remodeling and let’s start planning your Brentwood home addition!