The Best Room Additions and ADUs Builder in Pasadena CA
Custom home additions and ADUs in Pasadena, Glendale, Arcadia, Altadena, and San Marino, CA
- Trusted by 40+ families
- 5-year warranty
- Quality workmanship and materials
- Specialized teams and partners
Scroll down to discover home additions & ADUs options, process, and pricing
Upsize Your Home For The Future
As your family’s lifestyle and needs evolve, your home should adapt too. Whether you need an extra bedroom for in-laws or a larger living space for friends, you don’t have to leave your neighborhood.
Building an addition or accessory dwelling unit (ADU) can enhance your home’s value and improve your quality of life. Projects like garage conversions or room additions offer cost-effective ways to expand your space while following local zoning laws.
Our team of general contractors specializes in creating functional upgrades—from backyard cottages to full ADU conversions—to match your vision and budget, all while potentially generating rental income.
Extend your living space with these popular and functional upgrades:
- Garage conversion
- Fully-detached addition
- Room conversion
- Main floor addition
- Second story addition
- Room addition
- Bump-out room
- Sunroom addition
- Family room extension
This Is How Your Additional Dwelling Unit & Home Can Look
Stay In The Know With Your Additional Dwelling Unit Project
Room additions and ADUs usually start between $250-$275 per square foot for a basic build. Costs can increase depending on custom features like expanding living space or adding amenities such as bathroom remodeling or kitchen remodeling. Garage conversions or ADU garage conversions offer a cost-effective way to maximize square footage, creating rental income or additional space for family and friends. The final cost will depend on the scope of the project and details like the existing structure and specific needs of your Pasadena home.
Yes, permits are required for any room addition, garage conversion, or accessory dwelling unit in Pasadena. We handle the architectural plans, fees, and submission process, ensuring the project complies with Pasadena’s zoning laws. Homeowners typically cover the permit fees, which are about 10% of the valuation price. As experienced home builders and general contractors, we take care of every detail, allowing you to focus on expanding your home.
For room additions and ADU projects, we handle sourcing materials to maintain project efficiency and ensure the best quality finishes. However, we welcome your input! During consultations, you’ll have the opportunity to select finishes, colors, layouts, and more to match your vision for your new space. Our team ensures the best room addition and ADU projects in Pasadena come to life by balancing functionality, budget, and design.
No, you don’t need to move out during the construction of your room addition or accessory dwelling unit. Since we integrate room additions and ADUs seamlessly into the existing structure of Pasadena homes, you can comfortably stay in your property while the project is completed. Whether it’s adding a backyard cottage or creating more functional living spaces, we ensure minimal disruption to your daily life.
A 100 sq. ft. room addition or ADU in Pasadena can typically be built within 2 months after all plans and permits have been approved. For larger projects, like an 800+ sq. ft. addition or garage conversion, the timeline is roughly 4-6 months. Factors like city approval, zoning laws, and material availability can impact timelines, but our team of professionals is dedicated to timely delivery while ensuring quality and client satisfaction.
Yes, we’ve partnered with Enhancify to offer cost-effective financing options for your room addition, ADU, or garage conversion project. You can secure up to $250k quickly, with no prepayment penalties or home equity requirements. This makes creating a backyard cottage, expanding living space, or increasing rental income more affordable. With flexible monthly payments and no hidden fees, it’s the perfect solution for Pasadena homeowners looking to enhance their property.
Completing your form takes a few seconds. Estimate your monthly payment and get your personalized offer at https://www.enhancify.com/cb-remodels.
A Pricing Guideline For Your Home Addition Or ADU
480 sq. ft. 1-Bedroom Addition In Glendale
- One bedroom
- Kitchenette
- Bathroom
- Windows and doors
- Painting and flooring
- Attached to the main house
The project was quoted at $168,120 where the framing was the most expensive item, at $49,150.
670 sq. ft. Detached Addition In San Marino
- One bedroom
- One master bedroom
- One master bathroom
- One guest bathroom
- Living room
- Fully-equipped kitchen
The project was quoted at $234,500, where the framing was the most expensive item, at $73,210.
1,200 sq. ft. Addition In Brea
- One bedroom
- One master bedroom
- 2 bathrooms
- Fully-equipped kitchen
- Living room with deck doors
- Patio
The project was quoted at $420,000, where the framing was the most expensive item, at $124,440.
A Simple Process For Your Home Addition
Our mission is to eliminate every difficulty in your home addition project while offering transparency like no other contractor.
1
Collaborate
We help you define your vision for your addition until it’s perfect in every way.
2
Build
We bring all hands on deck to complete your addition fast and efficiently.
3
Enjoy
Get ready to spend time in a house that can finally fit all of your loved ones.
Here’s What Other Homeowners Experienced
We truly care about each and every one of our customers and we’re honored by the trust they’ve put in us. Read about their experience below.
Work Ethic And Dedication
In-house Team Of Professionals
Daily On-Site and Online Updates
D
Dyn Dy
We recently hired Chavez Brothers Construction to finish our room addition when our first contractor abandoned it.
We are very thankful that we hired them and we are also blessed to have Jorge and Mario. This team of workers were very professional, dependable, and skilled.
They were also fast, thorough, and kept us updated throughout the process. Above all, did a remarkable job. We will definitely hire them again.
Irineo Andalon
Jorge Chávez and his team did a great job in our home.
His work is professional and clean. We were very pleased with their work and we would recommend them.
Hope Adler
The nicest crew, kept to a timely and beautiful workman-like construction.
Easy access to get ahold of superintendent, kept informed at all times as to timelines and work performed.
Very pleased with the outcome and quality. Would hire again.
We Make Your Vision Our Mission
Here’s What You Get When Working With CB Remodels
- Daily Communication On-Site and Online
Stay connected with your addition or ADU project thanks to our daily updates and communication. We keep you informed and in the loop.
- Active Listening and Understanding
We know that every aspect or your home should be flawless. We pay attention to your needs and wishes and replicate your vision entirely.
- $200 Off For Every Day We Go Over The Timeline
Get your home addition just on time! For every delay that we couldn’t predict in advance, you get $200 off your home addition project.