Leading ADU Builder in Alameda
Looking to expand your living space, earn rental income, or create a private area for family or guests? As a premier ADU Builder in Alameda, Geico Builders specializes in designing and constructing fully customized, code-compliant accessory dwelling units that fit your lifestyle and property goals.







Trusted ExpertsYour Local Experts
As an experienced ADU Builder in Alameda, we transform underutilized spaces into functional, beautifully crafted home additions that serve as income properties, creative studios, or family-friendly extensions. With deep knowledge of the city’s zoning laws and permit process, we ensure each unit not only meets your vision but is fully compliant and built to last.
Why Choose Geico Builders?
Tailored Floor Plans: Each unit is custom-designed to fit your property and long-term goals.
Skilled, Licensed Craftsmen: We bring decades of combined experience to every property upgrade.
Start-to-Finish Management: We handle everything, from permits to final inspection, so you don’t have to.
Built to Last: Our use of premium materials ensures your space stays durable, functional, and attractive for years.

RemodelingOur All-In-One Service
Adding an ADU isn’t just a renovation but a wise investment in your property’s future. By partnering with a top-rated ADU Builder in Alameda, you’re ensuring that your project is handled with precision, professionalism, and care.
Increased Property Value: A well-designed unit can significantly boost your home’s market value.
Flexible Living Space: Create options for multi-generational living, guests, or private work-from-home setups.
Potential Rental Income: Generate passive income with a fully rentable, code-compliant space.
Sustainable Construction: Many projects utilize existing structures or small footprints, minimizing environmental impact.
Why Alameda Trusts Us
Proven Local Expertise
We have extensive experience designing and delivering accessory dwelling units that meet both functional needs and local code requirements.
Mastery of Local Regulations
Our team understands Alameda’s zoning laws, setback rules, and permit processes, ensuring full compliance from start to finish.
End-to-End Project Management
From concept to completion, we handle every step so you can enjoy a stress-free experience.

Personalized Approach
Each home addition is customized to fit your property layout, lifestyle, and long-term goals.
Transparent Timelines & Communication
We prioritize clear updates, efficient scheduling, and dependable timelines throughout the project lifecycle.
Reputation for Craftsmanship
Our clients consistently recommend us for our craftsmanship, integrity, and personalized service.
Our Seamless Process
01.
Site Assessment & Consultation
As a full-service ADU Builder in Alameda, we begin by evaluating your property layout, zoning conditions, and project goals.
02.
Design & Planning
We create tailored floor plans that reflect your lifestyle, optimize space, and align with city regulations, ensuring full compliance.
03.
Permitting & Coordination
Our team manages all permit applications, approvals, and logistics so your project moves forward smoothly and without delays.
04.
Quality Construction
From breaking ground to the final walkthrough, we oversee every phase with precision, delivering a high-quality finished space ready for use.
Frequently Asked Questions
How much does it cost to hire an ADU Builder in Alameda?
The cost of working with an ADU Builder in Alameda depends on factors such as project size, structural design, location, and selected finishes. Junior units often require less investment due to shared infrastructure, while detached units involve more complex construction and include factors that may impact pricing. We provide custom quotes tailored to each property after evaluating your space and design preferences, with a goal of offering honest, value-based estimates that suit your needs.
Do I need permits for an ADU?
Yes, all accessory units, whether detached studios, attached additions, or garage conversions, require proper permitting. As your professional ADU Builder in Alameda, we manage every aspect of the permitting process from paperwork and submittals to inspections. This ensures your project complies with all city codes and avoids unnecessary delays.
How long does it take to complete one of these projects?
Timelines vary depending on the complexity of the design, approval process, and site conditions. Most projects are completed within several months, with timelines ranging from the initial design phase to the final walkthrough. We provide a detailed schedule at the outset and maintain regular communication throughout the project. Our reliable ADU Builder in Alameda works diligently to ensure timely and high-quality results.
What types of home additions do you specialize in?
We specialize in a diverse range of home addition types, including garage conversions, detached backyard cottages, attached additions, and junior accessory dwelling units. Whether your goal is to generate rental income, provide a private guest retreat, or accommodate multigenerational living, each unit is thoughtfully designed to fit your property and lifestyle. Our team ensures every project fully complies with the city’s zoning laws and building codes, giving you peace of mind from start to finish.
How do I know which type of space is right for my property?
Choosing the correct type of addition for your property begins with a personalized consultation and a detailed site assessment. We take into account factors such as lot size, existing structures, utility access, and your long-term goals, whether you’re looking to generate rental income, accommodate a family member, or boost your property’s value. Our goal is to align every design with your vision, whether for an ADU or part of a broader home remodeling plan, while ensuring full compliance with the city’s zoning laws and permitting requirements.
What Our Clients Have To Say
Their positive experiences and glowing testimonials reflect our commitment to delivering exceptional results and outstanding service every time.
Contact Us
Partner with Geico Builders, a trusted ADU Builder in Alameda, for a streamlined, customized, and fully managed accessory unit solution. Contact us today to schedule your complimentary consultation!