The Willowbrook

200 sqft Compact Cottage Charm

Choose Your Package:

Steel Frame Package

DIY-friendly structural kit

Actual Structural Engineered Stamped Plans to Turn into Building Dept. (Not just shop drawings)
Complete Steel Frame Kit with OSB Attached Already and Holddowns
Just Erect and Bolt Together
Trusses and Roof Included

Turnkey Delivery

Complete move-in ready home

Everything in Steel Frame Package
Complete Home Kit Ready To Move In!
Just Erect and Bolt Together, Slide in Doors and Windows, Add Siding, etc.

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Product Description

The Willowbrook ADU is a 200-square-foot retreat that brings timeless cottage character to a compact, efficient footprint. With its steeply pitched roofline, stone façade, and inviting front porch, this model is perfect as a backyard office, guest suite, or personal studio. Despite its smaller size, The Willowbrook delivers durability, efficiency, and charm—making it a versatile addition to any property.

Timeless cottage aesthetic - Stone façade and traditional charm
Covered front porch - Adds functional outdoor living space
Flexible interior options - Vaulted ceilings or loft storage potential
Traditional neighborhood fit - Blends with established home styles
Premium materials - Stone façade adds perceived value

Specifications

Size Details

Classic Cottage Style
200 sq. ft. total living space
Studio layout or flexible open floor plan
Steep roofline provides option for vaulted ceilings or loft storage

Design Features

Stone façade with siding options for customizable exterior look
Covered front porch for extended outdoor living
Energy-efficient windows designed to maximize natural light
Compact, flexible interior ideal for multi-use living

What's Included in Steel Frame Package

Precision-engineered 2x6 cold-formed steel framing for walls, roof, and floor system
Pre-cut, pre-drilled members for simplified assembly
Structural system designed for long-term strength and performance
OSB sheathing pre-attached for rigidity and easier finishing
Engineered drawings included, stamped and tailored to your specific building jurisdiction requirements

Turnkey Inclusions

Full steel frame with weatherproof exterior envelope
Siding options: stone, Hardie Plank®, or cement fiberboard
Roofing system with underlayment and shingles or standing seam metal roofing
Energy-efficient double-pane windows and entry door
Complete insulation package (R-28 or better)
Interior finishes: drywall, paint, flooring, and trim
Kitchenette option with cabinetry, countertop, sink, and appliance-ready hookups
Bathroom option with vanity, toilet, shower, and fixtures
Complete MEP systems: plumbing, electrical, HVAC, and water heater
Exterior lighting and classic cottage-inspired detailing

Keep Looking

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Proof In Practice

Owners who stopped compromising.

We needed extra space for our growing family and a quiet area for remote work. TruHaven ADU provided us with a beautiful, functional addition that perfectly meets both our needs. It’s been a game-changer for our household!

John Clark TruHaven Owner

Adding a TruHaven ADU to our property was one of the best investments we’ve made. It not only provides us with extra living space but also increased our home’s value. Knowing that it offers flexibility for our future plans gives us great peace of mind.

Elizabeth Johnson TruHaven Owner

We were looking for a durable and low-maintenance solution for our backyard. TruHaven ADU exceeded our expectations with its sturdy construction and minimal upkeep. It’s reassuring to know that our new space will last for many years without any issues.

Michael Wim TruHaven Owner