From Full scale ADU | Residential | Multi-Family | Commerical | Multi-Family & Commerical Tenant Improvement, we specialize in projects that others shy away from. Our team handles every step so you can focus on the results. Servicing Los Angeles County, Ventura County, Orange County, San Bernardino County, Riverside County.
- Calcapitolconstruction@gmail.com
- 562-278-6316
- CSLB#1146072
Building
Smarter
Building
Faster
At Cal Capitol Construction, we don’t just build homes we build income, independence, and peace of mind. Established in 2025, we quickly became the go-to experts for complex Accessory Dwelling Unit (ADU) projects in Los Angeles, Orange County, and the Inland Empire.
- Our Services
Complete Construction Solutions
From single-family homes to large-scale commercial spaces, we manage projects of all sizes and complexities.
1
YEAR ESTABLISHED
- 2025 Cal Capitol START JOURNEY
Dedicated to ADU Excellence.
We are not just another contractor crew. Cal Capitol Construction specializes in mastering complex Accessory Dwelling Unit (ADU) construction, serving Los Angeles, Orange County, and the Inland Empire. Our focus is on delivering true excellence, innovation, and integrity through a process built for speed and transparency.
- Guaranteed Fixed Prices
- 100% Accessible Designs
- Post Construction Rental Ready
- Our Services
Building What Others Won’t Touch
At Cal Capitol Construction, we specialize in projects that others shy away from. From full-scale ADUs to fully accessible designs, our team handles every step so you can focus on the results. Serving Los Angeles, Orange County, and the Inland Empire.
Complete Construction Solutions
From single-family homes to large-scale commercial spaces, we manage projects of all sizes and complexities.
- Why Choose Us
Building Trust Through Specialized Excellence
At Cal Capitol Construction, we redefine what’s possible in ADU | Residential | Multi-Family | Commercial building. We’re not just another contractor; we’re your dedicated partner for complex, compliant, and truly accessible accessory dwelling units in Los Angeles, Orange County, and the Inland Empire. Our commitment is to transparency, speed, and unparalleled expertise.
Fast Track
Approvals
Averaging 4-6 weeks from submittal to shovel-ready, significantly faster than the industry standard of months.
100% Accessible
Expertise
True specialists in zero-step entries, wide doors, and adaptive kitchens/baths—it's foundational to our design.
Transparent Fixed
Pricing
Our contracts come with zero change order games, providing clear costs and timelines from day one.
Extended Peace of
Mind
Benefit from our 5-year warranty on framing and finishes, ensuring lasting quality in your investment.
- Our Project
We Deliver ADU Results.
We specialize in complex ground-up 1 & 2-story ADUs (SB9/AB976 experts) across Los Angeles, Orange County, and the Inland Empire. We transform backyards into valuable assets, maximizing income, independence, and truly accessible living with custom-built solutions.
Backyard Transformation ADU
Two-Story Ground-Up Build
Income-Ready Rental Setup
Accessible Dream Home
- Our Testimonial
Client Success. Expertly Built.
Our clients didn’t choose us for simple builds they chose us to solve complex challenges. Read their experiences with our fixed-price contracts, fast-track permitting, and unmatched commitment to delivering truly accessible, cash-flowing ADUs across Southern California.
Weeks to Approval
4-
6
Accessible Design
100
%
Year Extended Warranty
5
Change Order
0
- FAQ
Building Made Simple
We specialize in Residential | Multi-family | Commercial & Full ground up 1 & 2 Story ADUs, garage conversions, SB9 & AB976 projects, and fully accessible handicap-friendly designs. If it's complicated,we thrive on it.
Yes. Every project can include wide doors, zero-step entries, and adaptive kitchens & baths to ensure complete accessibility.
Absolutely. We offer optional annual maintenance packages for long-term peace of mind.
Yes! We get your ADU Airbnb or Vrbo ready and cash-flowing from Day 1, so you can start earning immediately.
- Contact Us
Let's Build a Better Future, Together.
We’re here 24 hours a day to discuss your complex construction plans, fast-track permitting needs, or accessible design requirements. Reach out today your project deserves a builder who gets it.