A modern, white house with large glass sliding doors opens onto a wooden deck. Solar panels are installed on the roof, and the yard has various trees and plants. In the background, neighboring houses and mountains are visible.

Don’t rush your ADU
Build smart not fast

Don’t start with a contractor.
Start with a plan that lets you compare and control.

Start Your ADU

Plan before you build

Many homeowners start with a contractor, not realizing they lose the chance to compare quotes.
Plan first, so you can choose your builder with confidence.

Choose your starting point. Every

Every backyard is unique.

Our licensed architect personally reviews your property and guides you step by step.

A backyard with a lush green lawn, a white fence, a patio area with a table and chairs, an umbrella, and flowering plants, houses with red tiled roofs, and palm trees in the background.

ADU Fit Report $ 99

See what’s possible in your backyard

  • We’ll review your zoning, setbacks, and site layout to show exactly where an ADU can fit before you spend thousands on design.

    • Property zoning and setback summary

    • Approximate buildable area diagram

    • Notes from a licensed architect

    • Recommendations for next steps

    👉 Best for: homeowners just starting or unsure what’s allowed.

3D floor plan model of a house with labeled rooms including living room and kitchen.

Concept Design $ 349

Visualize your ADU with a plan and rendering

  • Includes everything from the Fit Report, plus a floor plan and one realistic 3D rendering to help you see the space and layout.

    • Buildable footprint & layout

    • One concept floor plan

    • One exterior 3D rendering

    • Estimate of potential square footage and cost

    👉 Best for: homeowners comparing layouts or design styles.

Close-up of a building corner with a large window and a white exterior wall, with concrete slabs on the ground outside.

Permit Package from $5,400

Permit-ready ADU architectural plans

  • Includes all drawings and coordination needed for city permit submittal. We’ll guide you through plan check until approval.

    • Code-compliant architectural design prepared for city plan check and permit submittal

    • Architectural drawing set — site, floor, roof, elevations, sections, and construction details

    • Architect of Record stamp for city submittal

    • Coordination support with structural, Title 24, and survey consultants

    • Unlimited plan-check revisions(minor updates included)

    • Structural, Title 24, and survey service fees are not included, but will be coordinated through trusted consultants.

    👉 Best for: homeowners ready to build.

100% credit from earlier steps toward your Permit Package

See what fits your backyard

Born from Curiosity

  • A modern tiny house with wooden siding, a glass sliding door, a small wooden porch, surrounded by desert-style plants and a garden, with a house and trees in the background, under a clear sky.
  • A house under construction with wooden framing next to a swimming pool in a backyard.
  • Open-concept living room and kitchen area with sliding glass door leading to patio with potted plants, white cabinetry, wooden countertop, small dining table with two chairs, gray sofa with decorative pillows, and various houseplants.
  • Backyard with small modern house, sliding glass door, and window, with green lawn, small trees, and bushes, under a clear blue sky.
  • A white house with black trim featuring solar panels on the roof, situated in a backyard with a green lawn, a stone pathway, a patio area with wooden chairs and a fire pit, surrounded by plants and palm trees, under a clear sky.
  • View of a backyard swimming pool and patio area seen through sliding glass doors from inside a house, with chairs, plants, and trees in the scene

Homeowners are turning curiosity into reality.

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Homeowners are turning curiosity into reality. *

Pauline N., Yorba Linda

“Backyard Project made my ADU vision clear and showed what was truly possible on my lot.”

Eric W., Fullerton

“They turned our ideas into a clear concept in days and gave us confidence to move forward.”

Hanna P., Anaheim

“Our permit plan sailed through plan check, and the design stayed clean and functional.”

It all starts with curiosity

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What's possible

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Let's find out

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It all starts with curiosity • What's possible • Let's find out •

Start your ADU