Unlock More Space, Income, and Flexibility

Below you’ll find our collection of five professionally designed ADU models—each one a starting point that we fully customize to your property, lifestyle, and local jurisdiction.


Every city and AHJ has its own zoning rules, structural requirements, utility standards, and permit expectations, which is why WL3 transforms every model into a tailored, permit-ready ADU plan built specifically for your site.


Choose the design that fits your vision, and we’ll handle the rest—from code compliance to engineering—so you can build with confidence and maximize the value of your property.

Solaris 480

Modern Living, Redefined in a Compact Footprint

The Solaris 480 is a masterclass in efficient, luxury-driven design. Created for homeowners who want premium architecture without unnecessary square footage, this ultra-modern minimalist model delivers comfort, style, and function in every inch of its 16' x 30' layout.


A warm tongue-and-groove cedar façade paired with bold black metal trim creates instant curb appeal, while floor-to-ceiling glazing opens the interior to natural light and outdoor views. The signature shed roof with high clerestory windows adds visual drama and enhances daylighting, making the home feel larger than its footprint suggests.


Step inside and experience a refined, open living environment anchored by modern finishes and thoughtful spatial planning. The covered patio extension—with integrated recessed lighting—extends your usable living space and creates the perfect setting for relaxing evenings or entertaining guests.


Designed with long-term value in mind, Solaris 480 includes energy-efficient low-E windows and offers optional solar integration for homeowners looking to reduce utility costs and embrace sustainable living. Whether used as a backyard rental, guest suite, downsized residence, or stylish desert getaway, the Solaris 480 delivers high-end livability in a beautifully compact package.


Size: 480 sq ft
Footprint: 16' x 30'
Style: Ultra-modern minimalist box home

Specs

  • 1 bedroom / 1 bath
  • Floor-to-ceiling glazing on front elevation
  • Tongue-and-groove cedar façade with black metal trim
  • Shed roof with high clerestory windows
  • Covered patio extension with recessed lighting
  • Energy-efficient low-E windows
  • Optional solar integration


Luxury ADU living starting at just $139,000.
Fully tailored design + engineering from
$9,950

Love This Model? Reserve Yours Today!

Summit 750

A Contemporary Couple’s Retreat Designed for Elevated Living

The Summit 750 is a refined contemporary ADU crafted for couples who want comfort, privacy, and modern design in a right-sized footprint. With 750 sq ft of meticulously planned living space, this model blends architectural sophistication with everyday functionality, creating a retreat that feels both intimate and expansive.


Its 25' x 30' footprint is anchored by a dramatic pitched matte-black standing seam roof and a warm mixed-material façade that combines stucco, metal, and wood accents for a high-end, designer look. The inviting front porch—supported by bold timber posts—sets the tone immediately, offering a welcoming entry that feels like a boutique getaway.

Inside, soaring 13'+ vaulted ceilings make the living area feel spacious and beautifully open, while the carefully placed windows bring in natural light throughout the day. The oversized bedroom functions as a true sanctuary, complete with a private patio ideal for morning coffee, evening relaxation, or transforming the space into a luxurious rental experience.


Thoughtful amenities like a dedicated laundry area, modern finishes, and efficient space planning ensure that the Summit 750 delivers both style and practicality. Whether you're building a rental unit, a guest home, or a personal retreat steps from your main residence, this model provides the perfect balance of architectural presence and intimate livability.


Size: 750 sq ft
Footprint:
25' x 30'
Style:
Contemporary with pitched metal roof

Specs

  • 1 bed / 1 bath + laundry
  • Vaulted ceilings at 13'+
  • Matte black standing seam roof
  • Large front porch with timber posts
  • Mixed material façade (stucco + metal + wood)
  • Oversized bedroom with private patio


Contemporary Luxury starting at just $169,000.
Fully tailored design + engineering from
$11,950

Love This Model? Reserve Yours Today!

The Oasis 900

Transitional Modern Comfort with Elevated Outdoor Living

The Oasis 900 is designed for homeowners who want spacious, stylish living in a compact and efficient footprint. With 900 sq ft of intelligently planned space, this transitional modern model blends clean architectural lines with warm natural materials, creating a home that feels both contemporary and inviting.


Its balanced 30' x 30' footprint is wrapped in smooth white stucco accented by natural wood tones, giving the exterior a timeless, high-end appeal. The hip roof with integrated gutters adds to its refined silhouette while offering long-term durability and low maintenance.


Inside, the Oasis 900 maximizes openness and light. The generously sized living room features 12' sliding glass doors that dissolve the boundary between indoors and outdoors, making the home feel much larger than its square footage. With dual private patios, residents can enjoy true indoor–outdoor living—whether it’s morning relaxation, evening entertaining, or creating personalized garden spaces.


Two well-appointed bedrooms provide privacy and functionality, making this model ideal for small families, couples, or rental applications. The layout is completed with a thoughtfully designed bathroom and convenient access routes that make the exterior spaces feel naturally integrated into daily living. Side yard access was intentionally prioritized, making the Oasis 900 landscaping-ready and adaptable to a wide range of lot conditions.


Perfect as an ADU, guest home, rental unit, or a stylish standalone residence, the Oasis 900 delivers the comfort, efficiency, and architectural quality that define the WL3 Designs collection.


Size: 900 sq ft
Footprint:
30' x 30'
Style:
Transitional modern

Specs

  • 2 bedroom / 1 bath
  • Large living room with 12' sliders
  • Dual private patios
  • Hip roof with integrated gutters
  • Smooth white stucco + natural wood
  • Landscaping ready (side yard access emphasized)


Stylish Modern Living starting at just $199,000.
Fully tailored design + engineering from
$13,250

Love This Model? Reserve Yours Today!

The Vertex 1200

A Modern Farmhouse–Contemporary Hybrid Built for Elevated Everyday Living

The Vertex 1200 brings together the warmth of modern farmhouse design with the clean lines of contemporary architecture, creating a home that feels spacious, inviting, and unmistakably high-end. At 1,200 sq ft, this model is crafted for families, couples, or rental investors seeking premium livability without excess footprint.


Its 30' x 40' footprint gives the home a strong architectural presence, while the hybrid style blends board-and-batten detailing, modern windows, and refined contemporary accents. Optional attached garage integration allows for expanded storage, parking, or even conversion into a flex space depending on the homeowner’s needs.


Step inside and you’re greeted by a dramatic vaulted great room, designed to maximize volume and natural light. Oversized windows and a 12’ sliding glass door extend the living space outward, creating a seamless indoor–outdoor connection perfect for entertaining or enjoying quiet evenings at home.


The kitchen is a true centerpiece—featuring a large island, generous workspace, and open sightlines that make hosting effortless. With 2 bedrooms and 2 full bathrooms, including a well-sized primary suite, the Vertex 1200 balances private comfort with open communal living.


Every square foot is intentionally planned, offering modern convenience, timeless style, and a layout that adapts easily to a wide range of lifestyles. Whether used as a primary residence, ADU, rental property, or downsized home, the Vertex 1200 delivers premium architecture with everyday practicality.


Size: 1,200 sq ft
Footprint:
30' x 40'
Style:
Modern farmhouse / contemporary hybrid

Specs

  • 2 bed / 2 bath
  • Large kitchen + island
  • Vaulted great room
  • Large windows + 12’ slider
  • Optional attached single-car garage
  • Black + white façade with wood accents


Premium Designer Living starting at just $249,000.
Fully tailored design + engineering from
$14,950

Love This Model? Reserve Yours Today!

Why Adding an ADU Is One of the Smartest Investments

A well-designed ADU doesn’t just add living space—it transforms the financial performance of your property. Homeowners consistently see significant increases in resale value, strong rental income potential, and faster ROI compared to nearly any other home improvement project.


Whether you’re looking to offset your mortgage, generate monthly rental revenue, or create long-term equity growth, an ADU delivers measurable, lasting benefits that make your investment work for you from day one.

Arizona Is Opening Doors for ADUs — And Homeowners Are Winning Big


Thanks to new statewide legislation, Arizona has simplified the rules around accessory dwelling units (ADUs), making it easier than ever for homeowners to build legally permitted secondary homes — with all the upside of extra income, equity, and flexibility.


Today’s ADU isn’t just a spare guest house — it’s one of the smartest investments a homeowner in Arizona can make. With housing demand rising sharply across cities like Phoenix, Tucson, Scottsdale, and beyond, a well-designed ADU can significantly increase your property value, add versatile living space for family or rentals, and generate steady rental income or mortgage offset.



Whether you want to build a modern backyard unit, a stylish guest home, or a long-term rental investment, now is the time — Arizona’s housing laws and market conditions are aligned to make your ADU project a win.

32%

Average boost in home value with a legal ADU

$1,200 –$2,500/mo

Potential rental income from a modern ADU

70% ROI

One of the highest-return home investments available

52%

Of homeowners use ADUs to offset mortgage or living costs

01

Designed for Real Living

Every WL3 ADU is engineered around how people actually use space — maximizing comfort, flow, and privacy. Homes with functional ADUs sell 20–30% higher in Arizona and appeal to a rapidly growing buyer pool seeking flexible living options.

02

Made for Arizona

Our models are optimized for heat performance, shading, energy efficiency, and local zoning. With Arizona experiencing a 65% surge in ADU demand, properly engineered plans save homeowners months of redesigns and thousands in unexpected changes.

03

Engineered to Last

Each plan includes architectural, structural, and MEP engineering designed specifically for your city’s AHJ. This results in faster approvals and fewer corrections — contributing to our 98% plan compliance accuracy and dramatically reducing costly delays.

04

 Ready for the Future

Whether used for rentals, multigenerational living, or resale value, ADUs consistently deliver strong financial benefits. Arizona homeowners generate an average of $1,200–$2,500 per month in ADU rental income and see some of the highest ROI rates in the country — often 60–80%+ over time.

Premium, permit-ready plans engineered for Arizona cities and AHJs.

What’s Included in Every WL3 ADU Plan Package

Choose your model, select your package, and we’ll take care of the rest — from architectural design to full engineering and AHJ compliance.

Ready to Bring Your ADU to Life?

Phone number

480-431-0655

Our address

2733 N Power Rd STE 102

Mesa, AZ

85215

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