Solana Beach ADU questions
Short answers linking to full guides. Checked October 14, 2026.
Rules
Do I need Coastal Commission approval?
The city asks for the approval letter with the permit application. More on this.
How big can my ADU be?
Set by the FAR worksheet; 800 sq ft is exempt, and above the 60% threshold the ADU is capped at 800. More on this.
Is there a grading limit?
Yes, 50 cubic yards. More on this.
Can I rent short term?
No; 30 consecutive days minimum. More on this.
Your project
Are there pre-approved plans?
Yes, the PADU program: 800 sq ft, 16 ft. More on this.
Do conversions need parking?
No. More on this.
Does my ADU have to match the house?
New construction: same style, materials and colors. More on this.
Working with us
Who builds it?
We build with verified, licensed contractors and share license details before you sign.
What will it cost?
We don't publish prices. You get a written estimate after a site visit. More on this.
FAQ
Do I need Coastal Commission approval?
The city asks for the approval letter with the permit application.
How big can my ADU be?
Set by the FAR worksheet; 800 sq ft is exempt, and above the 60% threshold the ADU is capped at 800.
Is there a grading limit?
Yes, 50 cubic yards.
Can I rent short term?
No; 30 consecutive days minimum.
Are there pre-approved plans?
Yes, the PADU program: 800 sq ft, 16 ft.
Do conversions need parking?
No.
Does my ADU have to match the house?
New construction: same style, materials and colors.
Who builds it?
We build with verified, licensed contractors and share license details before you sign.