H2 prefab

Name: H2 prefab
Address: 478 25th Street, Unit C, Oakland, CA, 94612, US
Telephone: +14155773731

Build smarter. Modern, energy efficient, sustainably designed ADUs built with high craftsmanship.

07/24/2025

Our next ADU Open House Tour & Real Estate Networking event is this Saturday in San Jose! This is a free event, so bring your family, friends and neighbors.

📍 Location: 15195 Stratford Dr, San Jose
📅 Date: Saturday, July 26, 2025
🕛 Time: 12PM – 4PM

What to Expect:
🏡 ADU Tours: Get a tour of H2 Prefab's sustainably made, innovative ADU home, featuring high ceilings and modern architecture with connection to the outdoors.
💬 Q&A with ADU Experts: Meet our team and learn about design, permitting, construction timelines, and energy-efficient features.
🤝 Networking Opportunities: Meet homeowners, real estate professionals, and investors — build relationships and explore opportunities.

At H2 Prefab, we design and build high-performance Accessory Dwelling Units (ADUs) that blend modern aesthetics with sustainability. Our units are built in a controlled environment for maximum quality, then delivered and installed with precision. Every design is crafted to optimize natural light, indoor-outdoor flow, and energy efficiency.

Contact us and get a free consultation for your home or site: [email protected] or 415.577.3731

07/23/2025

Join our next ADU Open House Tour & Real Estate Networking event in San Jose this Saturday. This is a free event- bring your family, friends and neighbors!

Event Details:
📍 Location: 15195 Stratford Dr, San Jose
📅 Date: Saturday, July 26, 2025
🕛 Time: 12:00 PM – 4:00 PM

What to Expect:
🏡 ADU Tours: Get a tour of H2 Prefab's sustainably made, innovative ADU home, featuring high ceilings and modern architecture with connection to the outdoors.
💬 Q&A with ADU Experts: Meet our team and learn about design, permitting, construction timelines, and energy-efficient features.
🤝 Networking Opportunities: Meet homeowners, real estate professionals, and investors — build relationships and explore opportunities.

At H2 Prefab, we design and build high-performance Accessory Dwelling Units (ADUs) that blend modern aesthetics with sustainability. Our units are built in a controlled environment for maximum quality, then delivered and installed with precision. Every design is crafted to optimize natural light, indoor-outdoor flow, and energy efficiency.

Contact us to learn more and get a free consultation for your home or site.

🌐 Visit www.h2prefab.com
📲 Follow us on Instagram:
📩 Questions? Contact [email protected] or 415.577.3731

12/13/2024

Did you know the Bed-Stuy ADU offers versatile floor plan options? This spacious 2-bedroom, 2-bathroom model includes a full modern kitchen and a spacious living area. Choose between 640 or 800 sq ft to create a layout that fits your needs perfectly. With customizable unit widths and bedroom sizes, it's all about creating a comfortable space that works for you. Find the layout that matches your lifestyle!

12/12/2024

Beautiful and sustainable. Our unique building design allows for efficient and high quality ADU construction and delivery throughout the Bay Area.

Every ADU model include natural and durable interior and exterior finishes and appliances, operable exterior wall panels for expandable common spaces, and voluminous interior spaces with up to 13'-6"" ceiling heights. The UV resistant exterior rain screen waterproofing provides the flexibility for a range of exterior building finish options to suit every context.

12/11/2024

Every H2 Prefab ADU starts its journey right here in our Oakland warehouse. From careful construction to precise craftsmanship, we make sure every detail is just right before your ADU heads to its new home. Take a look behind the scenes and see where the magic happens!

12/11/2024

Elevate your ADU with our stunning new finishes and customization options. From premium materials to sleek design details, each unit is crafted to suit your style and make the space feel like home. Whether it's natural textures, modern fixtures, or bold contrasts, create a space that is just right for you. Explore how you can make your ADU truly yours! Visit our website for more information or to schedule a consultation.

11/22/2024

Step inside the Rockridge ADU in Berkeley and see how thoughtful design meets everyday comfort. This 287 sq ft studio features natural finishes, high ceilings, and plenty of light, creating an open and welcoming space. With a full kitchen, full bath, and a loft, it’s a simple yet stylish setup that’s perfect for modern living.

11/20/2024

Need a living space that adapts to your lifestyle? Meet the Breezeway ADU! You can mix and match units to create the perfect setup—combine two units into one for roommates, an in-law suite, or even a private space for teens to stay close but independent. These new floor plans pair The Dimond with The Belmont and The Bed-Stuy with The Belmont to create versatile live-work spaces designed to meet your needs. Flexible, sustainable, and made for you.

11/04/2024

Take a stroll through our latest build in progress 🏠✨. Inside our Oakland warehouse, we’re crafting every detail of this luxury ADU to create a space that blends comfort and sophistication.

Address

478 25th Street, Unit C
Oakland, CA
94612

Telephone

+14155773731

Website

https://www.h2prefab.com/

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