Contact Harvest ADU Builders

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(866) 538-0916
Our Office25651 Atlantic Ocean Drive Suite 886
Lake Forest, CA 92630
Same-Day Service AvailableWe dispatch the nearest available technician. Emergency calls prioritized.
Free, No-Obligation EstimateWe assess the job and give you a written price before any work begins.
Licensed, Insured & GuaranteedEvery job is backed by our workmanship warranty. You're fully protected.

Contact Harvest ADU Builders – Free ADU Estimate in Lake Forest

Call (866) 538-0916 for a free ADU estimate in Lake Forest, and you’ll reach a live coordinator who listens first. No hard sell, no pressure, no obligation – just a straight conversation about your property, your goals, and whether an ADU makes sense for your lot. We’ll answer your questions the same day you call, seven days a week.

Call (866) 538-0916

What Happens When You Call

Step one is simple: you call (866) 538-0916 and talk with our coordinator about what you’re thinking. You don’t need drawings or a budget number ready – just a general idea of where an ADU might go and how you’d want to use it.

From there, we schedule an on-site assessment at your Lake Forest home. We walk the property with you, check setbacks, access points, utility locations, and slope or drainage conditions that affect buildability. This visit is also free.

After the assessment, you’ll receive a written estimate that breaks down the scope line by line. No lump-sum mystery number. We want you to see exactly what’s included, what’s optional, and what your permit path looks like in Lake Forest.

When you approve the estimate, we pull permits, schedule inspections, and manage the build through final sign-off. You’re never left guessing who to call – your coordinator stays your point of contact from the first phone call to the day you get your certificate of occupancy.

Why Lake Forest Homeowners Call Us First

  • Local knowledge of Lake Forest ADU rules. We’ve been building ADUs since 2012, and we know how Lake Forest applies state ADU law, setback rules, and owner-occupancy requirements. That means fewer surprises during plan check and a smoother path to permits.
  • Licensing and insurance requirements are non-negotiable. Every pro working under our name is required to hold the license and insurance their state requires. You should never have to ask whether the person on your property is covered – we already require it.
  • Transparent line-item pricing. Your written estimate shows every cost category: site prep, foundation, framing, mechanical, electrical, plumbing, finishes, and permit fees. If something changes during the job, we discuss it before it happens – never after the invoice arrives.
  • Workmanship warranty you can count on. We stand behind the ADUs we build. If something isn’t right after you move in, one call puts you back in touch with the same coordinator who handled your build. We don’t disappear after final inspection.

Our Service Area Around Lake Forest

We build ADUs throughout Lake Forest and the surrounding South Orange County communities: Laguna Hills, Foothill Ranch, Laguna Woods, Mission Viejo, Portola Hills, Rancho Santa Margarita, Trabuco Canyon, Aliso Viejo, Ladera Ranch, Coto de Caza, and Irvine. If you’re just outside these areas, call us anyway – we’ll tell you honestly whether we can take your project on or point you to someone who can.

Frequently Asked Questions – Booking & Estimates

Call or Request a Callback

Ready to find out what an ADU would cost on your Lake Forest property? Call (866) 538-0916 now. Our team is available Monday through Friday, 7:00 AM to 7:00 PM, and Sunday, 7:00 AM to 7:00 PM. If you reach us after hours, leave a message and we’ll call you back on our next business day. No pressure – just a conversation about what’s possible on your lot.

Written by the team at Harvest ADU Builders, serving Lake Forest and South Orange County since 2012.

Areas We Serve
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