County directory

Monterey County ADU rules

Each place name links to that city or county's own ADU page. Places with a 'See our rules summary' button also have our plain-language summary of the local ADU rules, with sources. Each place below says whether we show local rules or California state rules.

Places in Monterey County

Carmel-by-the-Sea (opens the government site in a new tab)
Showing California state rules because a local rule change is pending
A local rule change is pending. The City has been drafting a new ADU ordinance that must also fit its Local Coastal Program (a draft went to a Planning Commission workshop on November 13, 2024); adoption could not be confirmed. The whole city is in the Coastal Zone. We'll add the new local rules after they take effect and we've reviewed them.
Del Rey Oaks (opens the government site in a new tab)
Showing California state rules
We don't have Del Rey Oaks's own ADU rules on file, so this shows the California state rules that apply across the state. Check with Del Rey Oaks for local details.
Gonzales (opens the government site in a new tab)See our rules summary
Showing California state rules, plus Gonzales details
The size, setback, height, and parking figures are California state rules. The Gonzales section lists the local details we have on file, like plans, forms, and contacts.
Greenfield (opens the government site in a new tab)
Showing California state rules because a local rule change is pending
A local rule change is pending. The City says it is updating its ADU ordinance to comply with state law. We'll add the new local rules after they take effect and we've reviewed them.
King City (opens the government site in a new tab)
Showing California state rules
We don't have King City's own ADU rules on file, so this shows the California state rules that apply across the state. Check with King City for local details.
Marina (opens the government site in a new tab)
Showing California state rules because a local rule change is pending
A local rule change is pending. The City says it is updating its 2023 ADU ordinance (Ordinance 2023-06) for the 2024 and 2025 state laws, and that staff follow state law where the two differ. We'll add the new local rules after they take effect and we've reviewed them.
Monterey (opens the government site in a new tab)
Showing California state rules because Monterey's local rules may conflict with state law or are being challenged
We show the state rules for owner-occupancy rules for junior ADUs, replacement parking for junior ADUs, an 800 sq ft cap when an ADU and junior ADU are combined, and design-matching rules; a May 2026 state housing department letter says the City's ordinance may be outdated. Check with Monterey about how it handles this today.
Pacific Grove (opens the government site in a new tab)
Showing California state rules
We don't have Pacific Grove's own ADU rules on file, so this shows the California state rules that apply across the state. Check with Pacific Grove for local details.
Salinas (opens the government site in a new tab)See our rules summary
Showing Salinas city rules
These are Salinas's own ADU rules on file, shown with the California state rules they build on. Each item says which is which.
Where a Salinas rule may conflict with state law or is being challenged, we show the California state rule instead. This covers front setbacks and floor-area limits for larger ADUs.
Sand City (opens the government site in a new tab)
Showing California state rules because Sand City's local rules may conflict with state law or are being challenged
We show the state rules for a separate zoning compliance statement and an architectural review step before the building permit. Check with Sand City about how it handles this today.
Seaside (opens the government site in a new tab)See our rules summary
Showing California state rules, plus Seaside details
The size, setback, height, and parking figures are California state rules. The Seaside section lists the local details we have on file, like plans, forms, and contacts.
Soledad (opens the government site in a new tab)
Showing California state rules
We don't have Soledad's own ADU rules on file, so this shows the California state rules that apply across the state. Check with Soledad for local details.
Unincorporated Monterey County (opens the government site in a new tab)See our rules summary
Showing California state rules because Monterey County's local rules may conflict with state law or are being challenged
The size, setback, height, and parking figures are California state rules. The Monterey County section lists the local details we have on file, like plans, forms, and contacts.
Where a Monterey County rule may conflict with state law or is being challenged, we show the California state rule instead. This covers County ADU ordinances adopted in 2020, before the 2023 to 2025 state law changes.

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