No, Your HOA Can't Veto Your ADU: What California Law Actually Says

Your city won't process your ADU until you hand over an approval letter from your homeowners association. Or the plan checker points at your CC&Rs and tells you the recorded restrictions don't allow a second unit on your lot. Either way, your permit is parked behind a private board that answers to no one at the counter.

Here's the thing: the state has told city after city that neither of those gates holds up — and for the covenant itself, the Civil Code says the restriction is flat-out void.

What HCD told Dana Point

Dana Point wrote HOA sign-off into its ADU process, requiring evidence of homeowners' association "approvals" alongside the application. In a December 2024 Notice of Violation, HCD called it what it is — an unlawful discretionary gate bolted onto a process that is supposed to be ministerial:

"The City's requirement for an ADU or JADU applicant to obtain prior HOA approval is a discretionary act 'that is no different than allowing an interested member of the public to exercise quasi-judicial approval over the City's ministerial process.'"

An ADU that qualifies for by-right approval gets a building permit — no planning board, no neighbor, and no HOA standing in the path. As HCD put it, "Such discretion exceeds the maximum objective standards permitted by State ADU Law."

Dana Point pushed back, insisting "State Law does not prohibit cities from requiring HOA approval…nor is such an approval 'discretionary' as suggested by HCD." HCD's answer was short: the City "cites no legal authority to enforce private regulations that are in contravention of state law."

Verified against HCD's Notice of Violation to the City of Dana Point (December 10, 2024).

Two barriers, both blocked

It helps to separate the two things people mean when they say "the HOA is stopping my ADU."

The first is the city making HOA sign-off part of the permit — the Dana Point problem. HCD's consistent position is that folding a private association into a ministerial approval is discretionary review the city has no authority to run.

The second is the CC&R itself — the recorded covenant that says "no second units." That one isn't about the city; it's private law between you and your association. Here the Legislature was blunt. Civil Code section 714.3 says a covenant that "effectively prohibits or unreasonably restricts the construction or use of an accessory dwelling unit or junior accessory dwelling unit on a lot zoned for single-family residential use" is "void and unenforceable." Civil Code section 4751 says the same for lots in planned developments and common-interest communities.

That doesn't wipe out every HOA rule — reasonable, objective design restrictions can survive. But a covenant that blocks an ADU outright, or piles on conditions that make one infeasible, is void by operation of the statute itself.

It's not one city's quirk

HCD has made the same call in jurisdiction after jurisdiction:

• Placentia — the City demanded a "letter of approval from the HOA" before it would deem an ADU application complete. HCD's 2023 technical-assistance letter: "An HOA may not be included in the City's ministerial process to approve or deny an ADU or JADU," and doing so "is a violation of State ADU Law." (Civ. Code, §§ 714.3, 4751.)
• Campbell — the ordinance said it did not intend "to override any lawful use restrictions" set out in CC&Rs. HCD pointed to Civil Code section 4751 and found the provision non-compliant.
• Costa Mesa — the ordinance said, "One conversion ADU may be permitted per unit on lots with common interest developments." HCD cited Civil Code section 4751 again.
• Thousand Oaks — the ordinance barred any ADU "in any area where structures are prohibited pursuant to a recorded deed restriction." HCD cited Civil Code section 714.3.

Different cities, different wording, one answer from HCD: a private covenant or an HOA sign-off can't be the thing that stops a state-legal ADU.

If you're hitting this wall

If your ADU is stuck on an HOA approval letter or a plan checker waving your CC&Rs, figure out which barrier you're actually facing — a city gate or a private covenant — because the response differs for each. This isn't legal advice, and HCD's enforcement letters are its interpretive position rather than a court ruling — so confirm with your building department or your own counsel before you rely on any of it. But the statute behind the covenant piece is settled, and HCD has been strikingly consistent on the rest.

What CrossBeam does with it

When the letter lands on your desk, CrossBeam turns it around the same day: what each item is actually asking, the code or law behind it, and a written response you can hand to your team or your attorney — the back-and-forth that used to eat weeks, done in a couple of hours.