Explore Top ADU Plans and Designs in San Diego
Discover the best ADU plans and designs tailored for San Diego's unique climate and lifestyle. At OneStop ADU, we specialize in creating functional and aesthetically pleasing accessory dwelling units (ADUs) that enhance your property's value and livability. Whether you're looking to add a guest house, a rental unit, or a home office, our team of expert designers and builders is here to help you every step of the way.
San Diego's beautiful weather and diverse neighborhoods provide the perfect backdrop for innovative ADU solutions. Our ADUs are designed with sustainability and energy efficiency in mind, ensuring that your new space is both eco-friendly and cost-effective. From modern minimalism to classic charm, we offer a wide range of design options to suit your personal taste and needs.
Choose OneStop ADU for your San Diego ADU project and benefit from our comprehensive services, including site assessment, design, permitting, and construction. Our local expertise and commitment to quality ensure that your ADU will not only meet but exceed your expectations.
Contact us today to learn more about how we can help you create the perfect ADU in San Diego. Let's turn your vision into reality with OneStop ADU, the leading provider of ADU solutions in Southern California.
San Diego ADU Floorplans
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400 sq ft
Studio
Starting at $215,000*
OneStop ADU's studio was designed with creative use of a small space. This open floorplan features a sliding door, spacious walk-in closet, full size kitchen with dishwasher and a stackable washer/dryer.
600 sq ft
1 Bedroom/1 Bath
Starting at $241,000*
OneStop ADU's one bedroom/one bathroom was created with space and functionality in mind. This floorplan features a sliding door, spacious walk-in closet, full size kitchen with dishwasher and a stackable washer/dryer.
749 sq ft
2 Bedroom/1 Bath
Starting at $260,000*
OneStop ADU's two bedroom/one bathroom floorplan features a sliding door, stackable washer/dryer, spacious living/dining area, and a full-size kitchen with an island, accent lighting and a dishwasher.
800 sq ft
2 Bedroom/2 Bath
Starting at $273,000*
OneStop ADU's two bedroom/two bathroom floorplan has been designed for space optimization and functionality. This plan features a sliding door, spacious master bathroom with double sinks, stackable washer/dryer and a full-size kitchen with an island, accent lighting and a dishwasher.
1000 sq ft
3 Bedroom/2 Bath
Starting at $314,000*
OneStop ADU's three bedroom/two bathroom floorplan features two sliding doors, a stackable washer/dryer, a generous living/dining area and a full size kitchen with an island, accent lighting and a dishwasher. The spacious master bedroom features a walk-in closet and an en-suite bathroom with double sinks.
1200 sq ft
4 Bedroom/2 Bath
Starting at $350,000*
OneStop ADU's largest four bedroom/two bathroom floorplan features two bathrooms with double sinks, a stackable washer/dryer, two sliding doors, and a full size kitchen with a large island, accent lighting and a dishwasher. The master bedroom features a walk-in closet and an en-suite bathroom.
*Please refer to Our Pricing, What's Included and Other Costs pages for complete details about our pricing and what costs to expect.
San Diego ADU Exterior Styles
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Contemporary
400 sq ft Studio shown above
Craftsman
400 sq ft Studio shown above
Spanish/Mediterranean
400 sq ft Studio shown above
Please note these are only renderings and final product may differ.
Granny Flats vs. Casitas vs. ADUs: Understanding the Differences in San Diego
In San Diego, granny flats, casitas, and accessory dwelling units (ADUs) all serve the purpose of providing additional living space on a property, but they differ in terms of usage and terminology. Granny flats, also known as in-law units, are typically small, self-contained living spaces designed for elderly family members, often attached to or near the main house. Casitas, a term common in the Southwestern United States and particularly in San Diego, are detached guest houses that offer privacy and essential amenities like a bedroom, bathroom, and sometimes a kitchenette. Both provide valuable extra space, but casitas are usually separate from the main residence, while granny flats can be either attached or detached.
ADUs encompass both granny flats and casitas, as well as other types of secondary housing units. Defined as independent residential units on the same lot as a primary dwelling, ADUs in San Diego can be either attached, like a basement or garage conversion, or detached structures. These units are fully functional with a bedroom, bathroom, kitchen, and living area, and are subject to local zoning laws and regulations. Whether you’re looking to house elderly relatives, accommodate guests, or generate rental income, understanding the distinctions between granny flats, casitas, and ADUs can help you choose the best option for your San Diego property.
