Salinas Zoning and ADU Guide for Homeowners and Sellers

Last updated November 13, 2026. Reviewed by the Cash Home Buyers CA team. Information comes from the City of Salinas; sources are listed at the end.

Salinas has a dedicated ADU hotline at 831-758-7208 and offers pre-approved detached ADU plans. Planning questions about zoning go to the Planning division at 831-758-7206.

Salinas zoning and ADU at a glance

How do you build or legalize an ADU in Salinas?

Start with the ADU hotline or Planning to confirm what your lot allows, then apply through the Permit Center or online. The pre-approved detached plans can shorten design work. For an existing unit built without a permit, ask the hotline whether the city has a legalization path, since we did not find a published program on the pages we reviewed. State law also changes often, so confirm current rules directly.

How ADUs and zoning affect selling a house in Salinas

An unpermitted unit can complicate financing and appraisal, and sellers generally must disclose known issues. Zoning violations and unpermitted uses can also draw a Code Enforcement case. A cash buyer can purchase the property as it stands and price the risk into the offer.

How to sell a house in Salinas with an unpermitted unit

1. Confirm what you have. Note when the unit was built and gather any records.
2. Call the ADU hotline. 831-758-7208 for what can be legalized.
3. Weigh legalizing against selling as-is.
4. Disclose honestly. A cash offer removes repairs and inspections but not disclosure duties.

We buy Salinas houses as they are. Read how selling a house as-is in Salinas works, or see our Salinas cash-offer process. See also the Salinas building permits guide and Salinas code enforcement guide.

Selling a property with an unpermitted unit? Call (424) 435-2326 or request a cash offer. There is no cost and no obligation.

What the city says about ADU types, size and fees

Salinas allows one detached ADU and one junior ADU (JADU) on a single-family lot; a JADU must fit within the existing footprint of the home or an attached garage. On a multi-family lot, the city allows two detached ADUs, and at least one unit, or 25 percent of the existing units, may be converted from non-habitable space such as a garage or laundry room.

The city’s four pre-approved detached plans come in Craftsman, Mid-Century, Ranch and Spanish styles: a 495 sq ft and a 553 sq ft one-bedroom, a 749 sq ft two-bedroom with two baths and a 746 sq ft two-bedroom with one bath.

Rear and side setbacks of four feet are listed, and the city says five-foot setbacks do not need fire-rated walls. No replacement parking is required within half a mile of transit.

Salinas says it does not charge development or traffic impact fees for ADUs, though school and water districts may charge their own.

From application to deed restriction

The city’s steps are to review the state ADU Handbook, talk to a planner on the ADU hotline (831-758-7208) or by appointment, hire a designer, engineer or architect, then submit to Planning and Building. Revisions are common before approval.

Before a building permit is issued, a deed restriction must be signed and notarized by all owners and the city planner, then recorded with the Monterey County Recorder; the city says this can take up to three weeks. It also says an ADU must be approved within 60 days. Periodic inspections follow during construction, and a final inspection clears the unit for occupancy.

What buyers and lenders ask about an ADU

• Is the unit on record with the city, with a final inspection sign-off?
• Does it have its own utilities, and is it rented?
• Was a deed restriction recorded, and does the owner meet any conditions it sets?
• Does the listed square footage include the unit?

An unrecorded unit can leave an appraiser unable to count it, and a lender may treat it as a risk. For the general rules on unpermitted improvements, see our California guide to selling as-is with unpermitted work.

Salinas zoning and ADU FAQ

Who do I call about ADUs in Salinas?

The city lists an ADU hotline at 831-758-7208. Planning is 831-758-7206.

Does Salinas offer pre-approved ADU plans?

Yes, the city offers pre-approved detached ADU plans.

Who handles zoning violations?

Code Enforcement handles zoning violations and unpermitted uses; call 831-758-7157.

Can I sell a Salinas property with an unpermitted ADU?

Yes. It does not legally stop a sale, but it can slow a traditional one. A cash buyer can purchase the property as-is.

How long does Salinas have to approve an ADU?

The city says an ADU must be approved within 60 days. The deed restriction step before permit issuance may take up to three weeks.

Does Salinas charge impact fees on ADUs?

The city says it does not charge development or traffic impact fees for ADUs, though school districts and water districts may apply their own fees.

Sources

• City of Salinas: Planning, ADU and Permit Center pages

This guide is general information, not legal advice. Rules change; confirm requirements with the City of Salinas.