Detached ADU Construction in Mission Viejo, CA
Adding a detached Accessory Dwelling Unit (ADU) to your home in Mission Viejo is one of the smartest ways to expand living space, generate rental income, and boost your property’s value.
At LS Contractor, we are Mission Viejo’s trusted ADU builders, with more than 200 ADU projects completed across Orange County. From custom backyard cottages to full-size detached ADUs, we handle every step—design, permits, and construction—so you can enjoy results without the stress.
👉 Schedule Your Free Mission Viejo ADU Consultation Today and see how we can turn your property vision into reality.
Why Build an ADU in Mission Viejo?
Mission Viejo is known for spacious lots, family-friendly neighborhoods, and high demand for rental housing. A detached ADU here can be both practical and profitable.
✅ Rental Potential: Detached ADUs in Mission Viejo typically rent for $2,000–$2,800/month, depending on size and finishes.
✅ Property Value Growth: Homes with ADUs in South Orange County can increase in value by 20–30%.
✅ Family Flexibility: Ideal for a granny flat for parents or private space for adult children.
✅ Privacy: Detached ADUs are fully independent from the main home—perfect for guests or tenants.
✅ Future-Proof Investment: Built with California’s latest energy and zoning codes for long-term value.
Snippet Answer:
In Mission Viejo, a detached ADU offers strong rental income, a 20–30% increase in property value, and private living space for family or tenants.
Our Mission Viejo ADU Process
We streamline the ADU process to save you time and avoid costly delays.
- Free Consultation & Site Evaluation
We review your Mission Viejo property, backyard layout, and zoning restrictions to determine the best ADU options.
- Custom ADU Design
Our design team creates tailored plans—whether for a rental unit, guest house, or family living space.
- Permits and Approvals
We handle all Mission Viejo ADU permits, including:
Building plan submissions
Zoning and setback compliance
Coordination with city inspectors
- Construction
Our crew builds your detached ADU using quality materials, efficient methods, and a clear project schedule.
- Final Walkthrough
Before handover, we inspect every detail with you to ensure satisfaction.
Snippet Answer:
LS Contractor manages the entire Mission Viejo ADU process—consultation, design, permits, construction, and final walkthrough.
Costs of Detached ADUs in Mission Viejo
The cost of a detached ADU depends on design, finishes, and city requirements.
Average Costs
Total cost: $210,000 – $360,000
Price per sq ft: $260 – $400
Cost Drivers
ADU size (400–1,200 sq ft)
Lot grading and site preparation
Standard vs. premium finishes
Solar and energy-efficiency features
Snippet Answer:
Detached ADUs in Mission Viejo usually cost $210,000–$360,000, or $260–$400 per sq ft.
Detached ADU vs. Other Options
Why choose a detached ADU instead of an attached ADU or garage conversion?
Detached ADU: Full privacy, larger layouts, higher property value increase.
Attached ADU: Lower cost, but less independence.
Garage Conversion: Cheapest option, but limited size and appeal.
Snippet Answer:
A detached ADU in Mission Viejo offers more privacy, space, and long-term value compared to garage conversions or attached units.
Why Mission Viejo Homeowners Choose LS Contractor
Proven Local Expertise: Over 200 ADUs built across Orange County.
Specialized in Detached ADUs: Focused knowledge, fewer mistakes.
Permitting Experience in Mission Viejo: Faster approvals with city compliance.
Transparent Pricing: Clear budgets, no hidden fees.
Reliable Delivery: Projects finished on schedule.
Client Testimonial – Mission Viejo, CA:
“We wanted a detached ADU for our parents. LS Contractor managed everything from design to permits and delivered exactly what we needed.” – A. Hernandez
Snippet Answer:
Mission Viejo homeowners trust LS Contractor for detached ADUs because of local expertise, transparent pricing, and proven results.
Frequently Asked Questions (FAQ)
How much does a detached ADU cost in Mission Viejo?
Most detached ADUs cost between $210,000 and $360,000, depending on size and finishes.
What permits are required for a detached ADU in Mission Viejo?
Building permits, zoning compliance, and setback approvals are required. LS Contractor handles the process for you.
How big can a detached ADU be in Mission Viejo?
Detached ADUs are generally allowed up to 1,200 sq ft, depending on lot size and zoning.
How long does it take to build a detached ADU?
Typical timelines are 6–9 months, including permits and construction.
Call to Action
Building a detached ADU in Mission Viejo is one of the smartest investments for your property. With LS Contractor, you get local expertise, a streamlined permit process, and professional construction management.
👉 Schedule Your Free Mission Viejo ADU Consultation Today and start planning your backyard ADU with confidence.
