Top 2% of CA Contractors (BuildZoom) License #1115842 30+ Years Combined (Barak & Jaime)

Chino Hills ADU Contractor — Licensed ADU Builder Near You

Chino Hills' hillside master-planned communities, top-rated schools, and high property values create premium ADU opportunities. It is one of the most desirable residential markets in San Bernardino County.

Get Your Free ADU Strategy for Chino Hills (866) 668-4264
Home/ Service Areas/ Chino Hills
78,000
Population
$880,000
Median Home Value
$2,200-$3,200
ADU Rental Income/Mo
High
ADU Demand
4-6 weeks
Permit Timeline
75+
ADUs Completed Across Southern California

A Top-Ranked ADU Contractor Serving Chino Hills, Inland Empire

Vision ADU ranks in the top 2% of all licensed contractors in California, as independently scored by BuildZoom — and we hold that same standard on every ADU we build in Chino Hills, Inland Empire. We are fully licensed (CSLB #1115842), 5.0-star rated on Google, with 30+ years of construction experience.

Top 2% of CA Contractors (BuildZoom) CSLB License #1115842 5.0★ Google Rating 30+ Years Combined (Barak & Jaime)

Looking for an ADU contractor near you in Chino Hills?

Vision ADU is a fully licensed Chino Hills ADU contractor and ADU builder serving every neighborhood in Chino Hills, Inland Empire. Whether you're searching for a "Chino Hills ADU builder near me", a garage-conversion contractor, or a new-construction ADU specialist, we handle the entire project end-to-end — design, permits, construction, and final inspection. CSLB License #1115842; our team has helped hundreds of homeowners across Southern California.

Vision ADU LLC · 1440 S State College Blvd, 6H, Anaheim, CA 92806 · (866) 668-4264 · Open Mon–Fri 8am–6pm, Sat 9am–5pm · 5.0-star rated on Google

Building an ADU in Chino Hills

Chino Hills is one of the most desirable residential cities in the Inland Empire, with hillside master-planned neighborhoods, top-rated schools, and strong property values. Many homes sit on generous lots within HOA communities, but state law (AB 670) keeps ADUs allowed even there. Quality, well-designed units rent strongly to families and professionals. Vision ADU helps owners navigate HOA standards while building a unit that fits the neighborhood.

Why Hire a Chino Hills ADU Contractor?

Key advantages for Chino Hills homeowners

Our ADU Services in Chino Hills

Chino Hills ADU Permits

Chino Hills reviews ADU applications ministerially under California state law, which means no neighborhood hearing is required and the city must approve or deny a complete application within 60 days. The city follows state standards, including detached ADUs up to 1,200 square feet and no added parking for units within a half mile of transit, and under AB 670 an HOA cannot prohibit an ADU. Vision ADU handles the full submittal, plan check, and inspections. Permit and impact fees vary by city and project, so we provide a written estimate before you commit (an estimate only, not a guarantee).

ADU Regulations in Chino Hills

Overview of ADU zoning rules in Chino Hills based on California state law and local ordinances — setbacks, size limits, height, parking, and more.

Regulation Chino Hills / CA State Standard
Max ADU Size (Detached) 1,200 sq ft (min. 800 sq ft guaranteed)
Max ADU Size (Attached) Up to 1,200 sq ft or 50% of primary (min. 800 sq ft)
Max JADU Size 500 sq ft (within existing residence)
Max Height (Detached) 16 ft (18 ft near transit or multistory multifamily)
Max Height (Attached) 25 ft or zone height limit, whichever is lower
Rear Setback 4 ft
Side Setback 4 ft
Front Setback Per underlying zone (cannot preclude 800 sq ft ADU)
Max Lot Coverage No ADU-specific limit
Parking Requirements None in most cases (transit, conversions, historic districts)
Owner Occupancy Not required (JADU: only if bathroom shared — AB 1154)
ADUs Allowed Per Lot 1 ADU + 1 JADU (SFR); up to 8 detached + conversions (multifamily)
Separate Sale (as Condo) Only where city has adopted AB 1033 ordinance
Impact Fee Exemptions Prohibited under 750 sq ft; proportional above (SB 543)
Pre-Approved Plans Not available statewide (varies by city)
State Permit Approval Clock 60 days (completeness check within 15 business days — SB 543)

As of August 2026. Source: California HCD ADU Handbook (March 2026) & 2025–26 state legislation (SB 543, SB 1211, AB 976, AB 1154, AB 462, AB 1033, AB 2533). California state law sets the minimum floor — local jurisdictions in Chino Hills may add design, setback, or other requirements on top of these state standards. Always verify current rules with your city or county planning department before building. Get a free consultation →

Neighborhoods We Serve in Chino Hills

Vision ADU builds ADUs across all Chino Hills neighborhoods

Los Serranos Sleepy Hollow Carbon Canyon Rincon Butterfield Ranch English Springs

Frequently Asked Questions About ADUs in Chino Hills

Can I build an ADU in a Chino Hills HOA community?

Yes. Under AB 670, California law prevents HOAs from prohibiting ADUs on single-family lots, though the HOA may set reasonable design standards. Vision ADU helps design a unit that works within those guidelines.

Are Chino Hills' hillside lots suitable for ADUs?

Many are. Hillside sites can involve grading and access considerations, and Vision ADU designs the unit to work with the slope and setbacks after reviewing your property.

How big can I build an ADU in Chino Hills?

State law allows detached ADUs up to 1,200 sq ft. Chino Hills' typically larger master-planned lots easily accommodate full-size units.

How long does ADU permitting take in Chino Hills?

Chino Hills reviews ADUs ministerially and must act on a complete application within 60 days under state law. Vision ADU prepares the plans and manages all city corrections.

Ready to Build Your ADU in Chino Hills?

Get a free, no-obligation consultation with our ADU experts. We handle everything from design to permits to construction.

Book Free Consultation (866) 668-4264

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