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Mission Viejo, CA
Mission Viejo is a picturesque master-planned community in Orange County, known for its rolling hills, tree-lined streets, and scenic Lake Mission Viejo, where residents enjoy boating, fishing, and waterfront dining. The city offers a diverse food scene, from casual eateries to upscale dining, with local favorites like O’Neill’s Bar & Grill and Dublin 4 Gastropub serving high-quality cuisine. Mission Viejo’s neighborhoods are family-friendly, featuring well-maintained parks, top-rated schools, and a strong sense of community, making it an ideal place for families and retirees alike. While the cost of living is higher than the national average, it remains more affordable than nearby coastal cities, with home prices averaging around $1 million. Residents benefit from a high quality of life, excellent public safety, and convenient access to major highways, making Mission Viejo a desirable and well-balanced place to live.
Permit Application Process in Mission Viejo
Here's a detailed overview:
Application Process:
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Pre-Application Consultation: It's advisable to consult with the Mission Viejo Planning Department to understand specific requirements and obtain guidance tailored to your property.
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Submission of Plans: Prepare detailed architectural and site plans for your ADU project. These plans should comply with local zoning laws and building codes.
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Application Submission: Submit your completed application, including all required documentation, to the Planning Department for review.
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Review Period: The city follows a ministerial approval process with a maximum review period of 60 days.
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Permit Issuance: Upon approval, you will receive the necessary permits to commence construction.
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Associated Fees:
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Impact Fees: ADUs up to 750 square feet are exempt from impact fees.
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Building Permit Fees: Fees vary based on the project's scope and size. It's recommended to contact the Mission Viejo Building Services Division for precise figures.
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Additional Considerations:
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Homeowners Associations (HOAs): If your property is within an HOA, ensure compliance with any additional guidelines or requirements they may have.
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Construction Costs: While not part of the permit fees, anticipate construction costs to range between $300 to $400 per square foot.
For comprehensive information and assistance, contact the Mission Viejo Planning Department directly or visit their official website.

Types of construction projects we handle in Mission Viejo
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Accessory Dwelling Unit (ADU) Development
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Additions & Expansions
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Renovation & Modernization
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Garage Conversions
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Interior Remodeling
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Fix and Flip Ventures
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Commercial Constructions
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Tenant Space Enhancements
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3D Project Visualization
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Financing Solutions
Steps to Schedule Inspections in Advance in Mission Viejo
Scheduling a building inspection in Mission Viejo is a straightforward process. Here's a detailed guide to assist you:
1. Determine Your Permit Submission Date:
Permits Submitted After September 7, 2023:
Utilize the Client Self Service (CSS) Portal for all inspection requests.
Permits Submitted On or Before September 7, 2023:
Use the online form available on the Building Services page to submit inspection requests.
2. Access the Appropriate Platform:
CSS Portal Users:
Log in to your account on the CSS Portal.
New Users: If you haven't registered, follow the on-screen instructions to create an account.
Online Form Users:
Navigate to the Building Services page to access the inspection request form.
3. Link Your Permit to Your Account (CSS Portal Users):
Ensure your permit is associated with your CSS account. The permit applicant must list all relevant contacts on the permit to grant access for scheduling inspections.
4. Schedule an Inspection:
CSS Portal Users:
After logging in and linking your permit:
Navigate to your Dashboard.
Select the specific permit requiring inspection.
Click on "Request Inspection" and choose the desired date.
Submit your inspection request.
Online Form Users:
Complete the inspection request form with all required details and submit it.
Important Notes:
Timing: Inspection requests must be submitted before 4:00 PM to secure an inspection for the next business day.
Inspection Results: Results will be emailed to the contractor and can also be accessed through your CSS account.
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Contact Information:
Email: For inquiries about inspections, contact buildinginspections@cityofmissionviejo.org.
By following these steps, you can efficiently schedule your building inspections in advance, ensuring compliance with Mission Viejo's building regulations.
Disclaimer: The information provided on this page is intended for general guidance only and may not be complete or accurate. For the most current and precise information regarding ADU construction requirements and regulations in the City of Mission Viejo, please refer to the official City of Mission Viejo website. We strongly recommend verifying all details with the official city resources before proceeding with any ADU project.
Best time to build in Mission Viejo
Now is the best time to build an ADU in Mission Viejo due to streamlined approval processes, financial incentives, and high rental demand. California’s ADU-friendly laws have made it easier than ever to obtain permits, with Mission Viejo offering a ministerial review process that ensures approvals within 60 days. Additionally, ADUs under 750 square feet are exempt from impact fees, reducing upfront costs for homeowners.
Building an ADU now also provides a strong financial advantage. With home prices and mortgage rates on the rise, an ADU can generate steady rental income, helping to offset housing expenses or provide additional space for family members. Orange County’s rental market remains highly competitive, and an ADU in Mission Viejo can offer significant returns through long-term leasing or short-term rentals where permitted.
Furthermore, construction costs continue to increase due to inflation and material shortages. By starting your ADU project now, you can lock in lower costs before prices climb further. With these advantages, Mission Viejo homeowners have a prime opportunity to maximize their property value and create a lasting investment with an ADU.