Build Your Dream Detached ADU in Mission Viejo
Generate $2,000–$2,800/month in rental income while boosting your property value by 20–30%. We handle everything from design to permits to construction.
Smart Investment, Multiple Benefits
Mission Viejo’s spacious lots and high rental demand make detached ADUs both practical and profitable investments for your property.
High Rental Potential
Detached ADUs in Mission Viejo typically rent for $2,000–$2,800/month, depending on size and finishes.
Strong rental market demandProperty Value Growth
Homes with ADUs in South Orange County can increase in value by 20–30%, making it a smart long-term investment.
Immediate equity boostFamily Flexibility
Perfect for a granny flat for parents, private space for adult children, or a dedicated home office.
Multigenerational living solutionsComplete Privacy & Independence
Detached ADUs are fully independent from the main home—ideal for guests or tenants who value privacy.
Separate entrances & utilitiesFuture-Proof Investment
Built with California’s latest energy and zoning codes for long-term value and compliance.
$2,400
Average Monthly Rent
Based on Mission Viejo market rates
25%
Property Value Increase
Average increase in South OC
1,200
Max Square Feet
Detached ADU size limit
From Consultation to Completion
We streamline the ADU process to save you time and avoid costly delays. Here’s how we make your ADU project seamless and stress-free.
Free Consultation & Site Evaluation
We review your Mission Viejo property, backyard layout, and zoning restrictions to determine the best ADU options for your specific situation.
- ✔ Property assessment and measurements
- ✔ Zoning and setback analysis
- ✔ Cost estimation and timeline
Custom ADU Design
Tailored floor plans—rental unit, guest house, or family living space—matching your vision and needs.
- ✔ Architectural design and floor plans
- ✔ Interior layout optimization
- ✔ Material and finish selection
Permits and Approvals
We handle all Mission Viejo ADU permits and approvals, ensuring full compliance with local regulations and building codes.
- ✔ Building plan submissions
- ✔ Zoning and setback compliance
- ✔ City inspector coordination
Professional Construction
Experienced crew, quality materials, efficient methods, and a clear schedule you can count on.
- ✔ Foundation and structural work
- ✔ Electrical, plumbing, and HVAC
- ✔ Interior and exterior finishing
Final Walkthrough & Handover
Before handover, we inspect every detail with you to ensure complete satisfaction with your new detached ADU.
- ✔ Quality assurance inspection
- ✔ Systems demonstration
- ✔ Warranty information & support
Ready to Start Your ADU Project?
Get your free consultation and site evaluation today. Let’s turn your property vision into reality.
🔒 Schedule Free Consultation →ADU Costs in Mission Viejo
Transparent pricing for your detached ADU investment. The cost depends on design, finishes, and city requirements.
$210K - $360K
All-inclusive construction cost
$260 - $400
Per square foot built
What Affects Your ADU Cost?
ADU Size (400–1,200 sq ft)
Larger ADUs provide more rental income potential but require higher upfront investment.
Lot Grading & Site Preparation
Terrain, access, and existing utilities affect preparation costs.
Standard vs. Premium Finishes
Luxury finishes command higher rents and property values.
Solar & Energy Efficiency Features
Green features reduce operating costs and increase appeal.
Your Investment Returns
$2,400/mo
Average Rental Income
$28,800 annual income
25%
Property Value Boost
Immediate equity gain
10–12
Years to Break Even
Through rental income
Detached ADU vs. Other Options
Detached ADU
Attached ADU
Garage Conversion
- ✔ Full privacy & independence
- ✔ Larger layout options
- ✔ Highest property value increase
- ✔ Maximum rental appeal
- – Lower cost option
- – Limited privacy
- – Shared walls & utilities
- – Less independence
- – Cheapest option
- – Very limited size
- – No parking space
- – Lower rental appeal
Get Your Custom ADU Quote Today
Every property is unique. Schedule a free consultation to get accurate pricing for your specific lot and requirements.
Get Free Quote