ADU Construction
Transform Unused Space into Lasting Value
Cal-Pacific Contracting is your trusted ADU and casita builder serving Canyon Lake, CA, and Riverside, Orange, San Bernardino, and Los Angeles Counties. With 80+ years of combined construction experience, we design and build high-performance accessory dwelling units and guest homes that increase property value, generate rental income, and expand livable space—without the cost of a full home addition. Whether you’re planning a backyard cottage, garage conversion, detached casita, or accessory dwelling unit, our turnkey process delivers fast, code-compliant construction from concept to keys.
If you’re searching for an ADU builder near me, casita construction in Canyon Lake, garage conversion contractor, or ADU construction in Riverside County, Cal-Pacific Contracting delivers expertly built spaces designed for comfort, efficiency, and long-term value.
Turnkey ADU & Casita Construction Services
We manage every phase of your ADU project, so you don’t have to coordinate multiple contractors or vendors. Our comprehensive ADU construction services include:
- Detached ADUs (Backyard Cottages)
- Garage Conversions
- Attached ADUs
- Casitas & Guest Houses
- Junior ADUs (JADUs)
- Studio, 1-Bed & 2-Bed Floor Plans
- Foundations, Framing & Roofing
- Electrical, Plumbing & HVAC
- Kitchens, Baths & Interior Finishes
- Permits, Plans & Inspections
Every ADU is engineered for energy efficiency, comfort, and long-term durability, delivering additional living space that adds income potential, flexibility, and lasting property value.
Built on 28+ Years of Experience
ADU construction in California requires precision, regulatory knowledge, and experienced project management. With decades of hands-on construction experience, we ensure every project is built correctly from the start, including:
- Accurate feasibility assessments
- Designs that pass inspection the first time
- Efficient timelines without shortcuts
- Durable materials and craftsmanship
- Long-term performance and ROI
We don’t experiment on your property—we plan, engineer, and build with confidence, delivering ADUs that meet California code requirements and perform reliably for years to come.
Built for Income, Flexibility, and Long-Term Value
ADUs and casitas are among the smartest property investments in California. We design accessory dwelling units that:
- Generate rental income
- Support multigenerational living
- Increase property value
- Maximize small footprints
- Meet state and local ADU regulations
- Deliver modern comfort and energy efficiency
From compact studio units to full one-bedroom homes, we build ADUs that are thoughtfully designed, code-compliant, and built to perform for years to come.
Hear From Our Satisfied Clients
Read what clients say about Cal-Pacific Contracting. Our testimonials highlight the quality, professionalism, and results we deliver
for homeowners and businesses in throughout Southern California.
Our Difference
Why Choose Cal-Pacific Contracting
47+ Years of Combined Experience
ADU Specialists for California regulations
Code-First Builds that pass inspection
Custom Designs for your property and goals
Fast, Predictable Timelines
Turnkey Delivery from design to completion
Proven Craftsmanship that lasts
SERVICE AREAS
Proudly Serving Southern California
We build ADUs and casitas throughout:
Canyon Lake, CA
Riverside County
Orange County
San Bernardino County
Los Angeles County
From Canyon Lake backyard cottages to Orange County garage conversions and Los Angeles detached ADUs, we bring the same precision and expertise to every project.
Connect with Cal-Pacific Contracting, LLC
Build Smarter. Live Bigger. Earn More.
An ADU or casita turns unused space into a powerful asset. Whether your goal is rental income, family housing, or flexible living space, Cal-Pacific Contracting builds it right. Contact Cal-Pacific Contracting today to schedule your ADU consultation and start creating lasting value on your property.
