Top-Rated ADU Builder in Alameda | Gadi Construction
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- Our team designs custom detached backyard cottages in Alameda.
- Transform an unused garage into a creative living space.
- Attached additions offer seamless multi-generational living.
- Trust us for two-story designs that maximize your property.
- Let us convert your basement into a hidden comfortable suite.
- Get a compact studio ADU for modern simplicity and rental income.
Why the Bay Area Chooses Gadi Construction
Beautiful job updating the kitchen and shower. Our project manager, Eden was responsive and quickly moved the project along, completing everything in three weeks .
GADI did a great job updating our kitchen and shower.
Our project manager Eden was highly responsive, quickly understood exactly what we needed, and kept everything moving efficiently. The entire project was completed in just 3 weeks. Updating the kitchen included installing a new counter, a new sink, and a built-in dishwasher, and everything is beautiful and working well. They also painted the cabinet doors, greatly improving the look of the kitchen. For the bathroom, they removed a built-in bench, making the shower much more spacious, and beautifully replaced with new tiles, including the floor.
We just completed a full primary bathroom remodel with Gadi constructions and we could not be happier with the result. The quality of the work was excellent, the project was well managed, and the finished bathroom turned out beautifully and almost exactly to the vision I had in mind.
I especially want to recognize Millie, our program manager, who was exceptional from start to finish. Her enthusiasm for her work is infectious, but what impressed me most was how personally invested she became in getting every detail right. She approached the project as though she were working on her own bathroom, not a client’s. She was constantly thinking ahead, finding creative solutions, making things work when challenges came up, and never settling for “good enough.”
I traveled quite a bit during the remodel, and knowing Millie was overseeing everything gave me tremendous peace of mind. She kept the project moving, handled issues without creating unnecessary stress for me, and always made me feel that the details were in very capable hands.
Remodeling can be disruptive and stressful, but having someone who genuinely cares about the outcome makes all the difference. Millie went above and beyond in every sense, and the entire team delivered a bathroom we absolutely love. I would highly recommend them.
We just completed a full primary bathroom remodel with Gadi constructions and we could not be happier with the result. The quality of the work was excellent, the project was well managed, and the finished bathroom turned out beautifully and almost exactly to the vision I had in mind.
I especially want to recognize Millie, our program manager, who was exceptional from start to finish. Her enthusiasm for her work is infectious, but what impressed me most was how personally invested she became in getting every detail right. She approached the project as though she were working on her own bathroom, not a client's. She was constantly thinking ahead, finding creative solutions, making things work when challenges came up, and never settling for "good enough."
I traveled quite a bit during the remodel, and knowing Millie was overseeing everything gave me tremendous peace of mind. She kept the project moving, handled issues without creating unnecessary stress for me, and always made me feel that the details were in very capable hands.
Remodeling can be disruptive and stressful, but having someone who genuinely cares about the outcome makes all the difference. Millie went above and beyond in every sense, and the entire team delivered a bathroom we absolutely love. I would highly recommend GADI constructions for your next remodel project.
Gadi Construction did an outstanding job upgrading our lower bedroom and powder room- they completed a patio project for me that I am extremely happy with . I recommend Gadi Construction for their professionalism and also their customer care experience – definitely would recommend them and use them again for any future projects.
Gadi construction handled the remodel of my 2 bathrooms: the main and secondary. My project manager Eden was the reason I chose them, she was responsive and listened to what I needed. She guided me through the process and helped me choose the right materials. They were not the lowest quote but I felt I was going to get my project done on a timely schedule and completed to my liking. And we are thrilled on how they came out! Thank you Eden!
Nadav & his crew are professional, punctual and reliable. They kept us informed about the process and the next steps, timelines etc throughout the process. They can anticipate hidden issues while renovating older structures, so it minimizes the surprises during the renovations.
We had a wonderful experience working with Gadi Construction on our home remodeling project. From start to finish, the team was professional, knowledgeable, and committed to delivering high-quality work. Remodeling a home can be stressful, but they made the entire process much smoother by communicating clearly, addressing our questions promptly, and ensuring every detail was handled with care.
A special thank you to our project manager, Millie, who was truly outstanding. She was organized, responsive, and incredibly easy to work with throughout the project. Millie kept us informed at every stage, coordinated everything seamlessly, and always made sure our concerns were addressed quickly. Her attention to detail, professionalism, and dedication gave us confidence that our project was in good hands.
The craftsmanship and quality of the finished work exceeded our expectations, and we are extremely happy with the transformation of our home. We appreciate the entire Gadi Construction team for their hard work and especially Millie for making what could have been a stressful renovation an enjoyable experience.
We highly recommend Gadi Construction to anyone looking for a reliable remodeling contractor, and if you're fortunate enough to have Millie managing your project, you'll be in excellent hands.
We had a wonderful experience working with Gadi Construction on our home remodeling project. From start to finish, the team was professional, knowledgeable, and committed to delivering high-quality work. Remodeling a home can be stressful, but they made the entire process much smoother by communicating clearly, addressing our questions promptly, and ensuring every detail was handled with care.
A special thank you to our project manager, Millie, who was truly outstanding. She was organized, responsive, and incredibly easy to work with throughout the project. Millie kept us informed at every stage, coordinated everything seamlessly, and always made sure our concerns were addressed quickly. Her attention to detail, professionalism, and dedication gave us confidence that our project was in good hands.
The craftsmanship and quality of the finished work exceeded our expectations, and we are extremely happy with the transformation of our home. We appreciate the entire Gadi Construction team for their hard work and especially Millie for making what could have been a stressful renovation an enjoyable experience.
We highly recommend Gadi Construction to anyone looking for a reliable remodeling contractor, and if you're fortunate enough to have Millie managing your project, you'll be in excellent hands.
Worked very closely with Millie and team on a remodel of our 2000 sq feet property in Milpitas and it was a delight to work with Millie and the entire team. Millie took the entire burden off of our shoulders and had her team do some amazing work and a very tight schedule. The work the team has pulled off is amazing and we are extremely happy with the work and looking forward to moving back in.
Build the perfect Accessory Dwelling Unit for your Alameda property with Gadi Construction. From modern backyard cottages near Crown Beach to garage conversions in the historic Gold Coast district, we design spaces that blend with your neighborhood’s character. Whether you need a rental unit near Park Street or a private suite for family, our team handles permitting and construction from start to finish. Let’s create extra space and value for your Alameda home. Contact us today.
Our Kitchen Remodeling Process
We follow a seamless, structured process to ensure your kitchen remodel is smooth and stress-free from start to finish.
1
We begin by understanding your ideas, style preferences, and project goals to create a plan that aligns with your lifestyle.
2
Our experts design your kitchen in 3D so you can see exactly how the final space will look before construction begins.
3
We guide you in selecting high-quality materials from cabinets and lighting to flooring and countertops that complement Alameda’s architectural charm.
4
Our skilled craftsmen execute each stage with precision, care, and respect for your home.
5
Every detail is carefully inspected to ensure perfection, durability, and your complete satisfaction.
Inspiring ADU Design Styles Popular in Alameda
Looking for the best ADU contractor in Alameda, CA? From charming backyard cottages near Crown Memorial Beach to garage conversions just off Park Street, we design spaces that match our island’s unique character. Whether you need a guest house near the USS Hornet or a rental unit close to Webster Street, we handle permits and build styles that complement Alameda’s historic Victorians and bungalows. Let’s create extra space for your family—starting today.
Backyard ADUs are ideal for creating a private, self-contained living space. Perfect for guests, renters, or extended family, these small homes blend comfort and independence. With open layouts and bright interiors, they complement Alameda’s spacious, tree-lined neighborhoods beautifully.
Attached ADUs offer convenient access to your main home while providing privacy and independence. They are great for multi-generational families or homeowners looking to expand without taking up yard space. Matching architecture and cohesive finishes make them look like part of your original house.
Turn your unused garage into a comfortable, fully equipped living area. These conversions are a cost-effective way to add space for an office, studio, or rental unit. With upgraded insulation, lighting, and modern finishes, garage ADUs combine practicality with charm.
For homes with limited land, multi-level ADUs provide more room without expanding your footprint. The lower level can serve as a living area, while the upper floor adds a bedroom or workspace. These ADUs bring a modern architectural touch to Alameda’s traditional homes.
Basement ADUs offer a quiet and private living space while maximizing your property’s potential. Modern waterproofing, warm lighting, and efficient layouts turn unused basements into cozy guest suites or rental units. It’s a practical solution for homeowners who want privacy without expanding outward.
Studio ADUs are small but efficient, designed for comfort and functionality. With open layouts, built-in storage, and modern fixtures, they’re ideal for short-term rentals or personal retreats. Their minimalist design suits Alameda’s coastal lifestyle perfectly.
Comprehensive ADU Building Services in Alameda
At Gadi Construction, we take care of your entire ADU project from start to finish. Our process focuses on precision, communication, and customer satisfaction. From the design stage to final construction, our skilled team ensures every detail meets your needs and local building standards.
Our ADU services include:
- Custom ADU Design & Space Planning
- Zoning, Permits & City Compliance
- Foundation, Framing & Roofing
- Plumbing, Electrical & HVAC Work
- Interior Finishes & Custom Details
- Final Inspection & Quality Assurance
We use durable materials, smart layouts, and energy-efficient systems to deliver ADUs that are both beautiful and built to last.
Want to get in touch?
We’d love to hear from you.
Here’s how you can reach us…
Tell us about your project and get a personalized, no-obligation quote.
We specialize in remodeling and construction – from kitchens to full home makeovers.
Let’s bring your vision to life with expert planning and transparent pricing.
OR CALL TODAY FOR A FREE ESTIMATE:
480-314-8016
Our Services
Home Remodel
Bring new life to your home with expert remodeling that combines style, comfort, and functionality. Upgrade your home from floor to ceiling with a custom remodel tailored to your needs and lifestyle.
Common Area Remodel
Kitchens are the centerpieces of your home; they’ve become the center of most modern homes, a place where family comes together to share tastes, love, and stories.
Kitchen Remodel
Kitchens are the centerpieces of your home; they’ve become the center of most modern homes, a place where family comes together to share tastes, love, and stories.
Bathroom Remodel
One of the most common remodeling projects for homeowners is to remodel the bathrooms in the house. After all, this is probably the first place you visit in the morning and the last place you visit at the end of the day.
Additions
Anyone can use an extra room in their home. It could be a space for business, like an Airbnb unit, daycare (yes, we’ve seen that happen) if you would like it or need an additional guest room or bedroom.
ADUs
Maximize your property’s potential with a custom-built ADU. Whether it’s for rental income, a home office, or additional living space, our team designs and builds functional, stylish units that blend seamlessly with your property.
Basement Remodel
Transform your basement into a beautiful, functional living space, a cozy retreat, home office, or guest suite with expert remodeling your family will love.
Start Your Alameda ADU Project Today
Building an ADU in Alameda? From the vibrant shops on Park Street to the scenic views along Shoreline Drive and the historic charm near Crown Beach, Gadi Construction understands the unique architecture and zoning of the Island. We specialize in adding comfort, style, and value to your property.
Whether you need a sleek detached cottage, a garage conversion near Alameda Point, or a new unit near Lincoln Park, we make the process seamless.
Let’s build something great for your Alameda home. Contact us for a free consultation today!
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People Also Ask
The cost to build a 1200 sq ft ADU in California varies significantly by region, but for the Santa Clara and San Jose area, you should budget between $300,000 and $500,000. This range accounts for design, permits, site work, and construction. A custom build with high-end finishes will land at the higher end, while a prefab or standard design can reduce costs. For a detailed breakdown of these options, please review our internal article titled 'Prefab Vs. Custom ADUs: Santa Clara Cost Analysis' at Prefab Vs. Custom ADUs: Santa Clara Cost Analysis. Gadi Construction recommends getting multiple bids and planning for a 12 to 18 month timeline to account for local permitting and utility connection fees.
For accurate pricing on prefab ADUs, it is essential to focus on the Santa Clara CA and San Jose CA area. In this region, a prefab Accessory Dwelling Unit generally costs between $150,000 and $250,000 for a standard one-bedroom unit, though prices can vary based on foundation work, utility connections, and site preparation. For a detailed local breakdown that compares this option with custom builds, we recommend reviewing our internal article titled Prefab Vs. Custom ADUs: Santa Clara Cost Analysis. This analysis provides specific cost data for Santa Clara, helping you budget effectively. At Gadi Construction, we emphasize that while prefab units offer faster timelines, site-specific factors like soil conditions and permit fees in the Bay Area can influence the final price.
The cheapest way to build an Accessory Dwelling Unit (ADU) in California is to use a pre-approved or "off-the-shelf" plan. These plans have already been vetted by the city, which significantly reduces permit processing time and architectural design fees. For homeowners in the Santa Clara and San Jose area, this approach can save thousands of dollars. The most cost-effective option is typically a 500-square-foot detached studio or a junior ADU (JADU) converted from existing space. You can explore the most efficient options for our local area by reading The Ultimate Guide To Pre-Approved ADU Plans In Santa Clara. Gadi Construction recommends focusing on a simple, single-story design with standard materials to keep construction costs low while still meeting all California building codes.