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
I had a very good experience with Millie personally and the whole Gadi team doing a major kitchen renovation , that included designing the kitchenrelocations, skylights and reconfiguration of space.
I will gladly recommend to work with them. I personally plan to do so in the future.
I had a very good experience with Millie personally and the whole Gadi team doing a major kitchen renovation , that included designing the entire kitchen, relocations, skylights and reconfiguration of space.
I will gladly recommend to work with them. I personally plan to do so in the future again.
Our home remodeling project is finally complete (almost 2 year ordeal), but team at Gadi Construction made this navigation manageable.
First shout out to Millie Studnict(Project Manager) . If you've ever gone through a major home renovation, you'd have many questions, decisions, surprises, inspections, and frustration. Throughout the entire process, Millie was always there with an answer, a solution, or simply the patience to walk us through the next step.
What I appreciated most was that Millie genuinely cared. No matter how busy things got, she always returned calls, responded to emails, and kept us informed. There were plenty of times when we were unsure about something, and Millie never made us feel like we were asking too many questions.
The entire Gadi team was great to work with as well. The crews showed up when they said they would, treated our home with respect, and were always courteous and professional. It was clear that everyone took pride in their work.
After dealing with the stress of restoring our home following a fire, it was a huge relief to have a contractor we could trust. The project is now complete, the final inspection has passed, and we're very happy with the outcome.
Thank you, Millie and Lucie and everyone at Gadi Construction..
Our home remodeling project is finally complete (almost 2 year ordeal), but team at Gadi Construction made this navigation manageable.<br><br>First shout out to Millie Studnict(Project Manager) . If you've ever gone through a major home renovation, you'd have many questions, decisions, surprises, inspections, and frustration. Throughout the entire process, Millie was always there with an answer, a solution, or simply the patience to walk us through the next step.<br><br>What I appreciated most was that Millie genuinely cared. No matter how busy things got, she always returned calls, responded to emails, and kept us informed. There were plenty of times when we were unsure about something, and Millie never made us feel like we were asking too many questions.<br><br>The entire Gadi team was great to work with as well. The crews showed up when they said they would, treated our home with respect, and were always courteous and professional. It was clear that everyone took pride in their work.<br><br>After dealing with the stress of restoring our home following a fire, it was a huge relief to have a contractor we could trust. The project is now complete, the final inspection has passed, and we're very happy with the outcome.<br><br>Thank you, Millie, and thank you to everyone at Gadi Construction for helping us get our home back.
Our home remodeling project is finally complete (almost 2 year ordeal), but team at Gadi Construction made this navigation manageable.
First shout out to Millie Studnict(Project Manager) . If you've ever gone through a major home renovation, you'd have many questions, decisions, surprises, inspections, and frustration. Throughout the entire process, Millie was always there with an answer, a solution, or simply the patience to walk us through the next step.
What I appreciated most was that Millie genuinely cared. No matter how busy things got, she always returned calls, responded to emails, and kept us informed. There were plenty of times when we were unsure about something, and Millie never made us feel like we were asking too many questions.
The entire Gadi team was great to work with as well. The crews showed up when they said they would, treated our home with respect, and were always courteous and professional. It was clear that everyone took pride in their work.
After dealing with the stress of restoring our home following a fire, it was a huge relief to have a contractor we could trust. The project is now complete, the final inspection has passed, and we're very happy with the outcome.
Thank you, Millie, and thank you to everyone at Gadi Construction for helping us get our home back.
Had a great full bathroom remodel. Went very smoothly and our project manager, Itay, was always quick to respond and on top of things. He was very helpful and efficient. We are very pleased with the finished project and will definitely reach out to GADI for our next project.
I just wrapped a primary bathroom remodel with GADI.
Effie was a fantastic design partner – he understood our initial vision and worked with it to come up with something even better that we love.
Nadav did an amazing job managing the project. Communication throughout was constant & immediate via text, and we got the project done quickly and with minimal fuss. His team on the ground was also great across the board.
I'm hoping to work with Nadav & Effie on another project soon, and I highly recommend GADI!
I just wrapped a primary bathroom remodel with GADI.<br><br>Effie was a fantastic design partner – he understood our initial vision and worked with it to come up with something even better that we love.<br><br>Nadav did an amazing job managing the project. Communication throughout was constant & immediate via text, and we got the project done quickly and with minimal fuss. His team on the ground was also great across the board.<br><br>I'm hoping to work with Nadav & Effie on another project soon, and I highly recommend GADI!
I requested a quote for a job I need done and I had the pleasure of meeting Itay today. He was very professional and kind. Had good energy and reassured me that he will do everything he can for the best outcome. This is more of a review on Itay and I will update if I decide to hire them. But the initial process of getting a quote done was great because of Itay.
I recently hadflood damage to my home which requires extensive remodeling. I called a number of contractors And I was most impressed with Millie from Gadi construction.
Though we haven't gotten to the point of actual construction yet , Millie has come out and given me excellent guidance for remodeling bathrooms, kitchen, living area. I've never done remodeling before so it was nice to have somebody like Millie to
' hold my hand,' and take some of the stress off of making some major decisions. She has since returned phone calls promptly and feels more like a friend helping me rather than a person I hired or may hire.
Whether we use you or not in the end thank you Millie for helping me during this difficult time and I hope others see this review and can take advantage of your nice , kind personality and expertise.
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.