Build the $17.9M Basin First: Patterson's Impossible Permit Condition

You're the developer or the expediter, and the conditions of approval land on your desk. Most are routine. Then you hit one that stops the whole project cold: before the city will issue a single building permit anywhere in the area, you have to fully fund — and see built — a multimillion-dollar regional water project that won't be finished for years.

That's not a condition. That's a wall.

Here's the thing: HCD's position is that a condition like that can be an unlawful restriction on housing — and denying a project because the builder won't accept it, without the findings state law requires, is its own problem.

What Patterson did

In Patterson, a project called Keystone Ranch proposed subdividing roughly 95 acres into 719 housing units, single- and multifamily, inside the Zacharias/Baldwin Ranch Master Plan. The Planning Commission recommended approval on February 20, 2025, "along with enumerated conditions of approval."

One of those conditions was the problem. It required the applicant to fund a regional recharge basin — the Del Puerto Creek Project — and it barred permits until that work was done. HCD quotes it directly:

"Unless otherwise agreed to by [the] City in its sole and absolute discretion, [the] Applicant shall be responsible for its fair share obligation to fully fund land acquisition, design and construction costs of the recharge basin for the Del Puerto Creek Project prior to issuance of any building permit in the Master Plan project area."

Now read the numbers next to that sentence. HCD reports the basin was recently estimated to cost $17.9 million, plus about $1.5 million in land purchase, with an estimated completion date of 2030. And Keystone Ranch is only about 14 percent of the Master Plan's overall residential capacity — one project, asked to carry an entire region's water infrastructure before it could pull a permit.

The applicant wouldn't agree. On April 1, 2025, the City Council voted to deny the project.

Two problems, per HCD

The denial. Under the Housing Accountability Act (Gov. Code § 65589.5), a housing project that meets the objective standards can be denied only if the city makes written findings, backed by a preponderance of the evidence, that the project would cause a specific, adverse health-or-safety impact with no feasible mitigation. Patterson made no such findings. As HCD put it, "denial of the project is inconsistent with the City's responsibilities under the HAA."

The condition. The Housing Crisis Act (Gov. Code § 66300) bars a city from enacting a policy, standard, or condition that has the effect of imposing "a moratorium or similar restriction or limitation on housing development," except to protect against an imminent health-and-safety threat. A permit ban tied to infrastructure that might not finish until 2030 — one year before the 6th cycle housing element period ends in 2031 — reads exactly that way. HCD described the condition as:

"effectively precluding housing development in the area for an indefinite amount of time."

HCD's conclusion: the condition "appears to have the effect of imposing a restriction or limitation on housing development within the meaning of the HCA," and — because the City never did the analysis the HCA requires — HCD couldn't even evaluate whether it was valid.

Verified against HCD's Letter of Technical Assistance to the City of Patterson (Keystone Ranch), September 22, 2025.

Why this one matters

The tell here isn't the price tag. It's the structure: an open-ended "build the whole region's infrastructure first" condition, no timeline you control, no permits until it's done. That's a moratorium in everything but name — and HCD's read is that a condition working this way can amount to a restriction or limitation on housing the HCA doesn't allow without the required analysis. A city also can't skip the HAA findings by folding the sticking point into a "condition" and calling the result a denial.

If a condition on your project works like this — no permits until someone funds a large offsite project on an uncertain schedule — it's worth a hard look at whether it squares with the HAA and the HCA. This isn't legal advice, and an HCD technical-assistance letter is the department's enforcement position, not a court ruling. Verify with your jurisdiction and your counsel before you rely on it.

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.