ADU ConstructionServices

Transform your property with professional Accessory Dwelling Unit construction. From garage conversions to backyard studios, we handle permits to precision.

ADU Construction Types

We specialize in all types of ADU construction and conversion projects

Garage Conversions

Transform your existing garage into a fully functional living space with proper permits and inspections.

  • Electrical upgrades
  • Plumbing installation
  • Insulation & drywall
  • Flooring & finishes

Backyard ADUs

Build a new detached ADU in your backyard, perfect for rental income or family use.

  • Foundation work
  • Full construction
  • Utility connections
  • Landscaping integration

Basement Conversions

Convert your basement into a comfortable living space with proper egress and ventilation.

  • Waterproofing
  • Egress windows
  • HVAC systems
  • Code compliance

Attic Conversions

Transform your attic space into a functional ADU with proper structural modifications.

  • Structural reinforcement
  • Stair installation
  • Dormer additions
  • Insulation upgrades

Junior ADUs

Create a smaller ADU within your existing home structure, perfect for efficiency units.

  • Interior modifications
  • Separate entrance
  • Kitchenette installation
  • Bathroom addition

ADU Additions

Add a new ADU structure attached to your existing home with seamless integration.

  • Architectural design
  • Structural integration
  • Matching aesthetics
  • Code compliance

Our ADU Process

From initial consultation to final inspection, we handle every step of your ADU project

01

Consultation & Design

Site evaluation, design consultation, and feasibility assessment for your ADU project.

02

Permits & Approvals

Handle all permitting, city approvals, and regulatory compliance requirements.

03

Construction

Professional construction with regular updates and quality control throughout the process.

04

Final Inspection

Final inspections, certificate of occupancy, and project completion walkthrough.

Why Choose CUBE for Your ADU?

Licensed & Experienced

A, B, C-10, C-36 licenses with extensive ADU construction experience in San Diego.

Full-Service Approach

From permits to precision - we handle every aspect of your ADU project in-house.

Code Compliance

Expert knowledge of San Diego ADU regulations and building codes for smooth approvals.

Quality Construction

Premium materials and craftsmanship that adds lasting value to your property.

Ready to Start Your ADU?

Get a free consultation and quote for your ADU project. We'll assess your property, discuss your goals, and provide a detailed project proposal.

Ready to Start Your Project?

Get a free consultation and quote for your construction, remodeling, electrical, or plumbing project in San Diego.