ADU Permit Fees & Costs in Santa Ana, California
Everything you need to apply for a adu permit in Santa Ana, California — documents, fees, steps, and a downloadable submission packet.
Key Facts
- Permit required
- Yes
- Submission method
- Online
- Typical fee range
- $3,600 – $10,230
- Review time
- Varies by jurisdiction
- Inspections
- 7 inspections required
Limited Data Available
Some information on this page has not been fully verified. We're working to improve data quality. Always verify with Santa Ana directly.
Estimated Total Fees
$3,600 – $10,230
Range based on typical residential solar PV system. Actual fees depend on project valuation and system size.
| Fee Component | Range | Confidence |
|---|---|---|
| ADU Permit Fee[1][2] Building permit fees calculated per Santa Ana Master Fee Schedule based on estimated construction valuation and square footage. Includes plan review and standard inspections. No impact fees for ADU utility extensions. | $2,400 – $6,200 | ✓ |
| Plan Review Fee[3][4] Plan review fee is typically 50-65% of the permit fee. | $1,200 – $4,030 | ✓ |
| Estimated Total | $3,600 – $10,230 |
Fees shown as ranges. Always verify the exact amount with Santa Ana before submission. Additional fees may apply for expedited review or resubmittals.
Generate your permit packet
Get a personalized ADU permit packet for Santa Ana, California — tailored to your project details.
- Required forms: Building Permit Application, and more
- Pre-filled templates: Permit Cover Sheet
- Fee breakdown: $1,200–$6,200 estimated total
- Step-by-step Santa Ana Planning and Building Agency portal submission guide
- Inspection prep checklist (7 items)
- Personalized for your specific project details
Free to preview · Pro to download
Required Documents
Santa Ana requires the following documents for this permit application.
Building Permit Application
Completed City of Santa Ana building permit application with project scope, legal property description, and owner/applicant information and certification
Architectural Drawings
Complete architectural drawings signed and sealed by a licensed California architect or professional engineer with floor plans, elevations, sections, and building details
Site Plan
Site plan showing property boundaries, lot dimensions, existing and proposed structures, setbacks, parking layout, driveways, and utility connections
Proof of Property Ownership
Current deed or title report documenting property ownership, required under California Government Code 65852.2 for ADU verification
Utility and Mechanical Plans
Plans showing water, sewer, electrical, and gas service connections with separate metering specifications for independent ADU utility service
Permit Process
Follow these steps to submit your permit application through Santa Ana Planning and Building Agency.
- 1
Verify ADU Eligibility
Confirm property meets ADU eligibility requirements under California Government Code 65852.2 and Santa Ana Municipal Code Chapter 41-2000. Verify ownership and property status.
You'll need: Proof of Property Ownership
- 2
Submit Building Permit Application
Submit complete building permit application with architectural, site, and utility plans through the online portal
You'll need: Building Permit Application, Architectural Drawings, Site Plan, Utility and Mechanical Plans
- 3
Plan Review
Santa Ana Planning and Building Agency conducts comprehensive plan review for code and zoning compliance
- 4
Address Plan Review Comments
Revise and resubmit plans if necessary to address plan review comments or required modifications
- 5
Permit Issuance
Pay all applicable permit and inspection fees and receive authorization to begin construction
- 6
Construction Inspections
Schedule and pass all required inspections during construction and upon project completion
Authority Sources
Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
Frequently Asked Questions
- Do I need a adu permit in Santa Ana?
- Yes. Santa Ana requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.
- How long does adu permit approval take in Santa Ana?
- Processing times in Santa Ana vary depending on project complexity and current review volume. The process involves 6 steps. Contact Santa Ana Development Services for current timelines.
- What documents are required for a adu permit in Santa Ana?
- Santa Ana requires 5 documents including Building Permit Application, Architectural Drawings, Site Plan, Proof of Property Ownership, and others. See the full list above for details.
- What happens if I build without a adu permit in Santa Ana?
- Building without a permit in Santa Ana can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.
- Can PermitMagic help prepare my adu permit submission in Santa Ana?
- Yes. PermitMagic generates a submission-ready packet tailored to Santa Ana's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.
- How much does a adu permit cost in Santa Ana?
- ADU permit fees in Santa Ana typically range from $3,600 to $10,230, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Santa Ana.
Related Permits
Other permits in Santa Ana
Ready to apply? Build your submission packet.
Answer a few project questions and get a adu permit packet for Santa Ana, California — with every document, form, and fee organized for submission.
Build My Permit PacketFree to preview · Pro to download