Eight models. Unlimited possibilities.

Model 01

Casita Studio 325

Affordable. Efficient. Designed Around Your Vision.

The Casita Studio 325 is the perfect entry-level accessory dwelling unit (ADU), offering an efficient, modern design that maximizes every square foot without sacrificing comfort or functionality. Featuring approximately 325 square feet of proposed living area, this thoughtfully designed studio serves as the ideal foundation for a fully customized guest home, rental unit, luxury pool house, home office, vacation retreat, or independent living space.

Every Casita Studio 325 is fully customizable, allowing you to personalize the floor plan, finishes, fixtures, and exterior features to complement your property and lifestyle. Whether you're looking to create additional living space for family, generate rental income, or increase your property's value, the Studio 325 can be tailored to fit your exact vision.

The open-concept studio layout creates a bright and welcoming environment where the living, sleeping, dining, and kitchen areas work together seamlessly. A full-size modern kitchen provides ample cabinet space, quality finishes, and room for everyday cooking, while the thoughtfully designed full bathroom offers all the comforts of a traditional home in a compact footprint.

Large windows bring in abundant natural light, creating an open and spacious feel that makes the home feel much larger than its size. Every inch has been carefully planned to deliver practical storage, efficient living, and lasting comfort.

The Casita Studio 325 is also one of our most popular and customizable pool house models. Homeowners frequently upgrade this design with high-end luxury finishes, including oversized sliding glass doors, premium tile flooring, custom cabinetry, quartz countertops, designer lighting, wet bars, indoor-outdoor entertainment spaces, covered patios, outdoor showers, and smart home technology. Whether your vision is a modern resort-style retreat or an elegant backyard entertainment space, the Studio 325 can be designed to seamlessly complement your existing home and outdoor living area.

Designed with speed and simplicity in mind, the Casita Studio 325 can be move-in ready in as little as 60 days, allowing homeowners to enjoy their new living space sooner while benefiting from Prime Builders' streamlined design, permitting, and construction process.

At Prime Builders, we believe every homeowner deserves a home built around their vision. The Casita Studio 325 is more than a floor plan—it's a smart investment and the beginning of a fully customized home designed specifically for your future.

• Approximately 325 Square Feet of Living Space
• Fully Customizable Floor Plan & Finishes
• Open Studio Layout
• 1 Full Bathroom
• Full-Size Modern Kitchen
• Bright Open Living Area
• Large Energy-Efficient Windows
• Smart Space Planning & Built-In Storage
• Most Popular Custom Pool House Design
• Available with Luxury Designer Finishes & Resort-Style Upgrades
• Contemporary Architectural Design
• Energy-Efficient Construction
• Premium Quality Materials & Craftsmanship
• Move-In Ready in as Little as 60 Days*
• Ideal for ADUs, Guest Homes, Luxury Pool Houses, Rental Properties, Home Offices, Vacation Casitas, or Independent Living

*Estimated monthly payment is based on the starting all-inclusive price with a 20% down payment, 30-year amortization, and an estimated 10% fixed interest rate. Monthly payment reflects estimated principal and interest only and does not include property taxes, homeowners insurance, utility connections, permits, lender fees, or other project-related costs. Final pricing and payments will vary based on financing approval, selected customizations, site conditions, and the final scope of work. *Estimated 60-day completion timeline begins after final design approval, permits, financing (if applicable), and site readiness. Actual completion time may vary based on permitting, weather, site conditions, and customization selections.

The Smartest Way to Add Living Space or Create a Luxury Poolside Retreat. The Casita Studio 325 is an affordable and efficient solution for homeowners looking to maximize their property's potential. As one of our most frequently selected models for custom luxury pool houses, it offers unlimited design flexibility with premium finishes and resort-inspired features. Whether you're creating a stylish backyard entertainment space, a comfortable guest suite, or an income-producing rental, Prime Builders will guide you through every step—from design and permitting to construction and final completion. Schedule your complimentary site consultation today and begin designing your custom Casita Studio 325.

Model 03

Casita Modern 400

Contemporary Style. Efficient Living. Designed Around Your Vision.

The Casita Modern 400 is a beautifully crafted contemporary ADU that combines clean architectural lines, modern finishes, and exceptional functionality in a compact footprint. Featuring approximately 400 square feet of proposed living area, this thoughtfully designed home offers the perfect balance of comfort, efficiency, and style while serving as a fully customizable foundation for your dream space.

Every Casita Modern 400 is fully customizable, allowing you to personalize the floor plan, interior finishes, exterior materials, and architectural details to complement your lifestyle and property. Whether you're creating a guest house, rental investment, home office, private retreat, or independent living space, the Modern 400 can be designed specifically around your needs.

Inside, the open-concept layout maximizes every square foot, creating a bright and inviting living area that seamlessly connects the kitchen, dining, and living spaces. The efficient floor plan provides everything you need without sacrificing comfort, making it ideal for everyday living or generating additional rental income.

The private bedroom offers a peaceful retreat with generous storage, while the modern bathroom is designed for both style and practicality. Throughout the home, oversized windows flood the interior with natural light, creating an open, airy atmosphere that makes the living space feel larger and more welcoming.

The exterior showcases a sleek contemporary design accented with warm wood architectural details, creating a striking balance between modern sophistication and natural beauty. These premium design elements enhance curb appeal while giving the Casita Modern 400 a timeless appearance that fits beautifully into any Arizona neighborhood.

At Prime Builders, we believe your home should reflect your unique vision. The Casita Modern 400 is more than a floor plan—it's the beginning of a custom-built home designed around your lifestyle, preferences, and long-term goals.

• Approximately 400 Square Feet of Living Space
• Fully Customizable Floor Plan & Finishes
• 1 Comfortable Bedroom
• 1 Full Bathroom
• Open-Concept Kitchen, Dining & Living Area
• Contemporary Modern Architecture
• Elegant Wood Accent Details
• Oversized Energy-Efficient Windows
• Bright Open Interior Filled with Natural Light
• Premium Quality Materials & Craftsmanship
• Energy-Efficient Construction
• Ideal for ADUs, Guest Homes, Rental Properties, Vacation Casitas, Home Offices, or Independent Living

Estimated monthly payment is based on the starting all-inclusive price with a 20% down payment, 30-year amortization, and an estimated 10% fixed interest rate. Monthly payment reflects estimated principal and interest only and does not include property taxes, homeowners insurance, utility connections, permits, lender fees, or other project-related costs. Final pricing and payments will vary based on financing approval, selected customizations, site conditions, and the final scope of work.

Modern Design. Maximum Value. Built for Your Lifestyle. The Casita Modern 400 delivers contemporary architecture, efficient living, and complete customization in one beautifully designed home. Whether you're expanding your property's living space, creating an income-producing rental, or building a private retreat for family or guests, Prime Builders will guide you through every step—from design and permitting to construction and final completion. Schedule your complimentary site consultation today and begin designing your custom Casita Modern 400.

Model 05

Casita PRIME Nova 500

Premium Style. Modern Comfort. Designed Around Your Vision.

The PRIME Nova 500 is a beautifully crafted premium casita that combines elegant architecture with efficient living, offering the perfect balance of comfort, functionality, and contemporary style. Featuring approximately 500 square feet of proposed living area, this thoughtfully designed home serves as the ideal starting point for a fully customized accessory dwelling unit (ADU), guest house, rental property, or private retreat.

Every PRIME Nova 500 is fully customizable, allowing you to personalize the floor plan, interior finishes, exterior details, and premium upgrades to suit your lifestyle and property. Whether you're creating a comfortable home for a loved one, expanding your property's value, or building an income-producing rental, the PRIME Nova 500 can be tailored to meet your unique vision.

Inside, the open-concept layout creates a bright and spacious atmosphere where the living room, dining area, and modern kitchen flow seamlessly together. The efficient design maximizes every square foot while providing ample room for everyday living, entertaining, and relaxation.

The private bedroom offers a peaceful retreat with generous natural light, while the thoughtfully designed full bathroom provides both style and functionality. Oversized windows fill the home with sunlight, creating an open and inviting environment that enhances the feeling of spaciousness throughout.

One of the defining architectural features of the PRIME Nova 500 is its elegant French door entry, welcoming guests with timeless style while creating a seamless transition between indoor and outdoor living. Combined with the attractive sand-finish stucco exterior, large windows, and inviting front porch, this premium model delivers exceptional curb appeal that complements any Arizona property.

At Prime Builders, we understand that every homeowner has a unique vision. That's why the PRIME Nova 500 is more than a floor plan—it's a custom home designed around your lifestyle, preferences, and long-term goals.

• Approximately 500 Square Feet of Living Space
• Fully Customizable Floor Plan & Finishes
• 1 Spacious Bedroom
• 1 Full Bathroom
• Open-Concept Kitchen, Dining & Living Area
• Elegant French Door Entry
• Oversized Energy-Efficient Windows
• Inviting Front Porch
• Premium Sand-Finish Stucco Exterior
• Contemporary Architectural Design
• Energy-Efficient Construction
• Premium Quality Materials & Craftsmanship
• Ideal for ADUs, Guest Homes, Rental Properties, Vacation Casitas, or Independent Living

Estimated monthly payment is based on the starting all-inclusive price with a 20% down payment, 30-year amortization, and an estimated 10% fixed interest rate. Monthly payment reflects estimated principal and interest only and does not include property taxes, homeowners insurance, utility connections, permits, lender fees, or other project-related costs. Final pricing and payments will vary based on financing approval, selected customizations, site conditions, and the final scope of work.

Small Footprint. Premium Living. Endless Possibilities. The PRIME Nova 500 offers an exceptional combination of modern design, premium finishes, and complete customization in an efficient footprint. Whether you're adding living space for family, creating a private guest suite, building a profitable rental, or investing in your property's future, Prime Builders will guide you through every step—from design and permitting to construction and final completion. Schedule your complimentary site consultation today and start designing your custom PRIME Nova 500.

Model 07

Casita Hacienda 651 PREMIUM

Timeless Hacienda Charm. Premium Living. Designed Around Your Vision.

The Casita Hacienda 651 PREMIUM blends timeless Southwestern architecture with modern comfort, creating a beautifully designed living space that feels both elegant and inviting. Featuring approximately 651 square feet of proposed living area, this premium casita serves as the perfect foundation for your custom home while embracing the warmth and character of classic Hacienda-style design.

Every Hacienda 651 PREMIUM is fully customizable, allowing you to personalize the interior layout, finishes, fixtures, and exterior details to fit your lifestyle and property. Whether you're building a luxurious guest house, private retreat, rental investment, or an accessory dwelling unit (ADU), this thoughtfully designed model can be tailored to meet your unique needs.

The spacious open-concept studio design maximizes every square foot, seamlessly connecting the living area, dining space, and modern kitchen into one comfortable and functional environment. The large kitchen offers generous cabinetry, quality finishes, and room for full-size appliances, making everyday living and entertaining effortless.

One of the defining features of the Hacienda 651 PREMIUM is its expansive 165-square-foot covered porch, creating an inviting outdoor living area that's perfect for relaxing, entertaining guests, or enjoying Arizona's beautiful weather year-round. The authentic Hacienda-style architecture, complete with a premium tile roof, delivers exceptional curb appeal while offering lasting durability and timeless elegance.

At Prime Builders, we believe your home should reflect your vision. The Hacienda 651 PREMIUM is more than a floor plan—it's a starting point for a fully customized home built around your lifestyle, preferences, and long-term goals.

• Approximately 651 Square Feet of Living Space
• Fully Customizable Floor Plan & Finishes
• Spacious Studio Layout
• 1 Full Bathroom
• Open-Concept Kitchen, Dining & Living Area
• Large Modern Kitchen
• 165 Sq. Ft. Covered Porch
• Authentic Hacienda-Style Architecture
• Premium Concrete Tile Roof
• Energy-Efficient Construction
• Premium Quality Materials & Craftsmanship
• Perfect for ADUs, Guest Homes, Rental Properties, Vacation Casitas, or Multigenerational Living

Estimated monthly payment is based on the starting all-inclusive price with a 20% down payment, 30-year amortization, and an estimated 10% fixed interest rate. Monthly payment reflects estimated principal and interest only and does not include property taxes, homeowners insurance, utility connections, lender fees, permits, or other project-related costs. Final pricing and payments will vary based on financing approval, selected customizations, site conditions, and the final scope of work.

Classic Arizona Style. Modern Everyday Living. The Casita Hacienda 651 PREMIUM combines the timeless beauty of traditional Hacienda architecture with today's modern conveniences. From its elegant tile roof and inviting covered porch to its customizable interior, this premium casita offers the perfect balance of style, comfort, and functionality. Whether you're expanding your property's living space, creating additional rental income, or building a private retreat, Prime Builders is ready to bring your vision to life with exceptional craftsmanship and personalized service from concept through completion. Schedule your complimentary site consultation today and begin designing your custom Hacienda 651 PREMIUM.