ADU Builder in the Inland Empire
Turnkey, fully permitted accessory dwelling units across Riverside and San Bernardino counties — detached, attached, garage conversions, and JADUs by one licensed team.
IE lot sizes make ADUs a no-brainer — if the build is priced honestly.
Inland Empire properties generally offer larger lots than coastal LA, which unlocks detached ADU footprints that pencil out at strong cap rates. But the market is full of contractors under-scoping bids and back-loading change orders.
We're a licensed general contractor building ADUs across Riverside and San Bernardino counties. One team handles architecture, structural, permits, utility hookups, Title 24, construction, and final inspection — with a fixed-price contract before permits are pulled.
Why homeowners choose us
- Turnkey design, permits, and construction under one roof
- Fixed-price proposals — no surprise change orders
- Detached, attached, garage conversion, and JADU experience
- Riverside and San Bernardino county permit expertise
- IE-specific rental comps shared before you sign
- Financing partnerships to bridge construction costs
A clear path from first call to final walkthrough
Free Site Walk
We visit your property, check setbacks and utilities, and identify the highest-ROI ADU type for your lot.
Design & Fixed Bid
Architectural drawings, Title 24, and a locked-in fixed-price construction contract.
Permits
Submittals to your city or county building department with every correction cycle managed.
Build & Handover
Construction with weekly updates, final inspection, and keys in hand.
Serving greater Los Angeles
Answers to common questions
How much does an ADU cost to build in the Inland Empire?
Most permitted ADUs in Riverside and San Bernardino counties fall between $200,000 and $375,000 turnkey — typically 15–25% less than comparable LA builds thanks to lower labor and site costs.
How long does the ADU process take in the Inland Empire?
Design and permits usually take 2–4 months across IE jurisdictions (Riverside County, San Bernardino County, and city building departments). Construction runs 5–7 months — roughly 7–11 months end to end.
Which cities do you build ADUs in?
We build across the Inland Empire including Riverside, San Bernardino, Ontario, Rancho Cucamonga, Fontana, Corona, Moreno Valley, Redlands, Chino, Temecula, and Murrieta.
Will an ADU generate rental income in the IE?
1BR detached ADUs in the Inland Empire commonly rent for $1,600–$2,400/mo depending on city and finish tier. We share comps for your specific ZIP during the free site walk.
Do you handle permits with Riverside and San Bernardino counties?
Yes. We manage plans, structural, MEP, Title 24, and submittals to county and city building departments across the IE, plus utility hookups.
Ready to price your IE ADU?
Book a free site walk. You'll leave with a realistic timeline, budget range, and rental comps for your specific ZIP.
Contact Us Today