Solana Beach ADU fees
| Fee | Basis |
|---|---|
| Plan check | Scope, size and valuation; invoiced at intake (Solana Beach ADU Submittal Process and Basic Plan Requirements (June 2025)) |
| Address assignment | Invoiced at intake |
| Permit issuance | Covers inspections (Solana Beach PADU Processing Guide) |
| Impact fees | None at 750 sq ft or less; proportionate above |
| Utility connection | New construction only; proportionate to burden |
| Other | State, regional, school, water district, covenant recording |
Cost drivers
- Grading and drainage engineering
- Sewer routing on private property
- Sprinklers where required
- Landscape package over 500 sq ft
- Access on narrow lots
We build with verified, licensed contractors and give a written estimate after a site visit.
Fee thresholds
| Size | Rule |
|---|---|
| JADU 500 sq ft or less | No impact fees (state) |
| ADU under 500 sq ft | No school fees |
| ADU 750 sq ft or less | No impact fees (SBMC 17.60.210) |
| Over 750 sq ft | Proportional to the house; show the percentage on plans |
Other fee items in the handout: plan check and address assignment invoices at intake, a third-party landscape review where a package is needed, and a Waste Management Plan for projects valued at $100,000 or more.
Also checked Oct 14, 2026: HCD ADU Handbook (March 2026).
What counts as an impact fee
The code defines impact fees to include Mitigation Fee Act and Quimby (park) fees, but not utility connection fees or capacity charges. None apply at 750 sq ft or less.
Also checked Oct 14, 2026: SBMC §17.60.210(A) (Ord. 542, 2026).
Sources, checked Oct 14, 2026: Solana Beach ADU Submittal Process and Basic Plan Requirements (June 2025) · Solana Beach PADU Processing Guide.
FAQ
What fees does Solana Beach charge for an ADU?
Plan check and address assignment fees at intake, permit issuance fees, and impact fees for ADUs of 750 sq ft or more. Other agencies may add fees.
How are impact fees calculated?
Proportionately to the primary dwelling's square footage, using the ADU-to-house percentage on the site plan.
How much will my ADU cost?
We don't publish prices. You get a written estimate after a site visit.