ADU / Garage Conversion Whittier, CA 90609

ADU / Garage ConversionWhittier, CA 90609

Modern Build offers adu / garage conversion services in Whittier, CA 90609

Get a Free Estimate

ADU & GARAGE CONVERSION SERVICES

Garage Conversion Contractor in Whittier, CA 90609

Modern Build transforms unused garages into permitted, fully functional ADUs in Whittier, CA 90609. Whether you’re adding a rental unit, home office, or guest house, we handle the entire process from planning to construction.

Our ADU conversions in Whittier are tailored to your goals and comply with all zoning, building, and safety regulations — ensuring long-term value and peace of mind.

Free Consultation

(323) 300-4130
Best adu in california whittier 90609 3
Best adu in california whittier 90609 2

Why Homeowners Choose Us

Trusted Experts in ADU / Garage Conversion

Permits, zoning approvals, and city inspections are fully handled by our team for remodeling projects near me, ensuring your home is 100% code compliant, plan‑checked, and approved, with documented changes recorded in clear, dated change orders that protect your budget and schedule.

Our design consultation is complimentary for homeowners exploring bathroom or kitchen remodeling near me, and it includes layout options, material recommendations, and a realistic timeline so you can make confident decisions before demolition or ordering custom cabinetry and stone.

What’s Included in Your Whittier ADU Conversion?

From garage to high-functioning living space in Whittier, CA 90609.

Garage-to-Living Space Conversion

Custom Floorplans & Design

Plumbing & Electrical Installation

Framing, Drywall & Insulation

City Permits & Compliance

Energy-Efficient Windows & HVAC

Work Performed by Licensed, Insured Contractors

Financing Options Available

ADU BUILDERS IN Whittier, CA

Why Convert Your Garage in Whittier, CA 90609?

Garage and ADU conversions are the smartest way to expand livable space and boost property value in Whittier, CA. Whether it’s for rental income, multigenerational living, or personal use, our team delivers turn-key ADU solutions that meet city code.

From initial zoning checks to final inspections, we make sure your Whittier ADU project is legal, functional, and built to last.

Our Process

Step by step from concept to completion

1

Free Property Assessment

We inspect your garage in Whittier, CA 90609, review local ADU zoning rules, and confirm feasibility based on your lot and layout.

2

Custom Design & Engineering

Our designers and engineers create a floorplan tailored to your goals, budget, and the existing structure in Whittier.

3

Permit Approval & Construction

We coordinate permitting and begin construction with licensed crews from our network, providing weekly progress updates for your Whittier, CA 90609 project.

4

Final Walkthrough & Move-In

After final inspection and occupancy approval, we walk through the completed ADU with you to ensure full satisfaction in Whittier.

Why We Love Working in This Area

Homeowners in 90609, CA Trust Us

Though 90609 is not a typical residential ZIP, we serve homeowners in the surrounding Whittier neighborhoods who need expert remodeling services. At Modern Build Home Remodeling, we help clients near this area improve outdated layouts, upgrade finishes, and add square footage through thoughtful design. Our team understands that each home has its unique character and potential, which is why we take the time to listen to our clients' needs and visions. Whether it's transforming a cramped kitchen into an open-concept space or revitalizing a bathroom with modern fixtures, we are dedicated to delivering results that enhance both functionality and aesthetics. Our knowledge of Whittier’s planning rules and neighborhood preferences allows us to streamline each project while maximizing comfort and visual impact. We pride ourselves on staying updated with local building codes and design trends, ensuring that your remodeling project not only meets your expectations but also aligns with the community's standards. By choosing Modern Build Home Remodeling, you're not just investing in your home; you're also enhancing the value of your property in the vibrant Whittier area. Let us help you create a space that reflects your style and meets your family's needs in the 90609 ZIP code.

Local Insights For This Area

Common Projects In Whittier, CA 90609

Given Whittier’s blend of historic neighborhoods and mid-century ranch homes, planning ADU expansions with architectural harmony in mind ensures additions enhance property value while preserving the character prized by local residents and HOAs, making approvals smoother and future upgrades easier to integrate into existing styles.

With Whittier’s proximity to the Puente Hills and distinct microclimates, ADU designs that factor in natural ventilation and solar orientation can offer year-round comfort while reducing energy costs, making future upgrades like solar panels and HVAC systems more efficient and straightforward to install.

Whittier’s position within a seismic-prone region makes structural foresight critical; incorporating reinforced foundations and flexible utility hookups during ADU planning not only safeguards occupants but also simplifies any future expansions or retrofits needed to comply with evolving earthquake safety codes.

Given local demand for multigenerational housing and rental opportunities in 90609, designing ADUs with adaptable layouts and accessible features supports evolving family needs, while also allowing for easy modernization—such as adding smart home technology—without extensive remodeling or disruption to the main home.

100% Financing Available with $0 Down*

Remodel Now. Pay Later.

Permits And Approvals

Permit Steps For ADU / Garage Conversion In Whittier

Confirm ADU zoning rules, parking, egress, and separate utility metering if needed.

Check Whittier permit requirements online or by phone and download submittal checklists.

Prepare drawings, product specs, and any energy or structural documents.

Submit application, pay fees, and respond quickly to plan check comments.

Schedule inspections at required milestones and keep approved plans on site.

Tip, confirm details with your local building department before submitting.

Local Guide

Guide to ADU / Garage Conversion in Whittier 90609

When planning an ADU project in Whittier, 90609, establishing clear lines of communication with your contractor is essential. Begin by discussing your vision in detail, sharing sketches or reference photos, and ensuring both parties agree on project objectives, timeline, and budget before any work commences.

Maintaining regular check-ins, whether through weekly meetings or consistent email updates, helps address any questions and keeps your ADU project on track. In Whittier’s competitive construction market, proactive dialogue ensures that any issues are identified early and resolved efficiently, reducing the chances of costly delays or misunderstandings.

For homeowners in Whittier, documenting all agreements, changes, and expectations in writing is a crucial step towards effective collaboration with contractors. Well-documented communication, including signed addendums or change orders, provides legal protection and serves as a reference if disputes arise during your ADU construction in the 90609 area.

It’s also important to familiarize yourself with local building codes and permit requirements specific to Whittier and share this information with your contractor. By demonstrating awareness of regulations and fostering open discussions, you help ensure your ADU project meets compliance standards and avoids unnecessary setbacks or violations.

A FUNCTIONAL SPACE YOU’LL LOVE

Turn Unused Space Into Value in Whittier, CA 90609

ADUs in Whittier are an ideal way to generate rental income, create privacy for guests, or build a flexible home office. Modern Build delivers compliant, energy-efficient, and stylish ADU conversions that elevate your property.

As your local garage conversion experts in Whittier, we handle everything — from plans and permits to construction and finishes — with full transparency and guaranteed results.

Free Consultation

(323) 300-4130
Best adu in california whittier 90609 4
Best adu in california whittier 90609 1

What Homeowners Say

Around Whittier

We were amazed at the transformation Modern Build Home Remodeling created in our home. From start to finish, their communication was clear and responsive, making the entire ADU project in Whittier smooth and stress-free. The team demonstrated exceptional professionalism, arriving on time and respecting our space throughout the build. The quality of their workmanship exceeded our expectations, blending functionality with beautiful design. Modern Build truly took our vision and brought it to life with precision and care. We highly recommend them to anyone looking for reliable and skilled home remodeling experts in the 90609 area.

Zoe J. From Whittier, 90609
ADU   • MAY 2025

We couldn’t have asked for a better remodeling partner than Modern Build Home Remodeling. From the initial consultation to the final touches on our ADU in Whittier, their communication was clear, timely, and reassuring. The entire team displayed exceptional professionalism, always respectful and attentive to our needs. The quality of their work truly exceeded our expectations, combining craftsmanship with thoughtful design. They made the process smooth and enjoyable, ensuring every detail was perfect. We’re incredibly grateful for their dedication and highly recommend Modern Build Home Remodeling to anyone looking to enhance their home with confidence.

Luna S. From Whittier, 90609
ADU   • AUG 2025

The final outcome from Modern Build Home Remodeling is excellent. From the initial consultation to project completion, their communication was clear and timely, making the entire process smooth and stress-free. The team demonstrated remarkable professionalism, respecting my home and schedule throughout the ADU construction. Their attention to detail and commitment to quality craftsmanship truly stood out. I am impressed not only with the finished unit but also with how well they handled every challenge along the way. For anyone in Whittier looking to add an ADU, I highly recommend Modern Build Home Remodeling—they deliver exceptional results with a friendly approach.

Sean H. From Whittier, 90609
ADU   • JUL 2025

Rated 5.0 stars by trusted homeowners in Whittier, CA 90609. Trusted by over 19+ families this year.

Permits and approvals in Whittier? We take care of it all.

Popular upgrades in Whittier

Trusted by Homeowners Across Los Angeles

Consistent quality. Consistent 5-star ratings.

Yelp logo
HomeAdvisor logo
Houzz logo
Google logo
Angie's List logo
Contact background

We’re here to help with all your home remodeling needs. Reach out for a free consultation or any inquiries you have about our services.

Free Consultation

(323) 300-4130

Call us, it's free.

Our expert team has been serving Los Angeles and surrounding areas for over a decade. Whether you are looking to remodel your kitchen, bathroom, or entire home, we provide top-notch services to make your vision a reality.

Let’s start transforming your space into something amazing. Get in touch today to explore how we can bring your project to life.

Get in Touch with Us

Free Consultation Form

Inspiring Conversations with Matan Bodek Owner of Modern Build Home Remodeling best constrution company in los angelesHome Advisor Screened Remodeling ContractorHome Advisor Elite Remodeling ContractorHome Advisor Top Rated Remodeling ContractorRemodeling and Repairing Bldg Contractors in Studio City