San Marino ADU Contractor — Licensed ADU Builder Near You
San Marino is one of the most prestigious cities in the San Gabriel Valley, known for the Huntington Library and top-rated schools. Ultra-high property values create exceptional ADU investment potential.
A Top-Ranked ADU Contractor Serving San Marino, Los Angeles County
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 San Marino, Los Angeles County. We are fully licensed (CSLB #1115842), 5.0-star rated on Google, with 30+ years of construction experience.
Looking for an ADU contractor near you in San Marino?
Vision ADU is a fully licensed San Marino ADU contractor and ADU builder serving every neighborhood in San Marino, Los Angeles County. Whether you're searching for a "San Marino 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 San Marino
San Marino is an exclusive residential city known for top schools and large estate lots, leaving ample room for detached ADUs. Design that respects the city's character moves through review more smoothly.
Why Hire a San Marino ADU Contractor?
Key advantages for San Marino homeowners
- Among the highest property values in the SGV
- Top-rated San Marino Unified School District
- Huntington Library and Gardens nearby
- Exclusive residential character
- State ADU law ensures permitting access
Our ADU Services in San Marino
Garage Conversion ADU in San Marino
Transform your existing garage into a fully permitted ADU. Most affordable option with the fastest completion times.
New Construction ADU in San Marino
Build a brand-new detached ADU from the ground up. Maximize space and customize every detail.
Junior ADU (JADU) in San Marino
Convert part of your existing home into a separate living unit up to 500 sq ft.
Home Remodeling in San Marino
Full-service home renovation and remodeling to complement your ADU project.
Recent ADU Projects Near San Marino
Real completed Vision ADU projects in Los Angeles County
San Marino ADU Permits
San Marino 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 San Marino
Overview of ADU zoning rules in San Marino based on California state law and local ordinances — setbacks, size limits, height, parking, and more.
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 San Marino 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 San Marino
Vision ADU builds ADUs across all San Marino neighborhoods
Frequently Asked Questions About ADUs in San Marino
Can I build an ADU in San Marino?
Yes, California state law requires San Marino to allow ADUs on residential properties, regardless of local preferences.
How much rent can I earn from a San Marino ADU?
San Marino ADUs command competitive rates due to the premium location and school district.
What's the ADU permitting process in San Marino?
San Marino processes ADU permits in 6-10 weeks. Vision ADU handles all design review and permitting requirements.
Ready to Build Your ADU in San Marino?
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