Definition
The Regional Housing Needs Allocation (RHNA) cycle is the multi-year planning process through which California assigns each city and county a numerical obligation to plan for — and accommodate — a certain number of new housing units. The process is governed by Government Code §§ 65580–65589.8 and runs in eight-year cycles for most jurisdictions (charter cities and certain other entities may operate on different timelines).
The RHNA cycle is not a requirement to build housing. It is a requirement to adopt a Housing Element — a state-mandated component of the general plan — that demonstrates the jurisdiction has identified enough adequately zoned, realistically developable land to accommodate its allocated share of the region's housing need at each income level.
Steps in the RHNA Cycle
- HCD determines statewide housing need. The California Department of Housing and Community Development (HCD) calculates the total number of housing units needed statewide for the planning period, based on population growth projections, vacancy rates, and affordability gaps.
- HCD allocates need to Councils of Governments (COGs). HCD distributes the statewide need to regional planning bodies — called Councils of Governments — such as ABAG (San Francisco Bay Area), SCAG (Southern California), SANDAG (San Diego), and SACOG (Sacramento). Each COG receives a regional allocation.
- COGs sub-allocate need to member jurisdictions. Each COG develops a methodology for distributing its regional allocation among its member cities and counties. Jurisdictions may appeal their allocations through an administrative process.
- Jurisdictions update their Housing Elements. Each city and county must update its Housing Element to demonstrate it has identified sites adequate to accommodate its RHNA allocation at all required income levels (very low, low, moderate, and above moderate). The updated Housing Element must be submitted to HCD for review and certification.
- HCD reviews and certifies Housing Elements. HCD reviews submitted Housing Elements for compliance with state law. A certified Housing Element is one that HCD has found to substantially comply with the requirements of Government Code § 65580 et seq.
Current and Recent Cycles
- 6th Cycle: Covers 2021–2029 for most Bay Area and Southern California jurisdictions. This cycle included substantially larger RHNA allocations than prior cycles for most jurisdictions — in many cases three to five times higher than 5th cycle numbers.
- 5th Cycle: Covered 2013–2021 in most regions. Housing Elements certified in the 5th cycle expired at the start of the 6th cycle, requiring complete updates.
- 7th Cycle: Will cover approximately 2029–2037. Planning for the 7th cycle allocation methodology will begin several years before the cycle opens.
RHNA Allocation vs. Actual Production
The RHNA cycle creates a planning obligation, not a production mandate. A jurisdiction's RHNA obligation is satisfied by adopting a compliant Housing Element — not by ensuring that the allocated number of units are actually built. However, a second accountability mechanism applies to production: jurisdictions that do not meet their production goals may face additional site rezoning obligations under the "no net loss" law (Government Code § 65863) and other enforcement provisions.
Consequences of Noncompliance
Jurisdictions that fail to adopt and obtain HCD certification of a compliant Housing Element before their RHNA cycle deadline face:
- Builder's remedy exposure: Developers may submit housing applications that override local zoning if the project provides an affordable component. See the builder's remedy entry.
- HCD enforcement referrals: HCD may refer noncompliant jurisdictions to the Attorney General for enforcement action.
- Loss of state housing grants: Several state housing funding programs require Housing Element compliance as an eligibility condition.
- Enhanced scrutiny on discretionary housing approvals.
Income Level Categories
RHNA allocations are divided into four income categories based on the Area Median Income (AMI) for the region:
- Very Low Income: Up to 50% of AMI
- Low Income: 51%–80% of AMI
- Moderate Income: 81%–120% of AMI
- Above Moderate Income: Above 120% of AMI
Housing Elements must identify sites adequate to accommodate units at each income level — not just the total number. Above-moderate units may be assigned to market-rate development capacity; lower-income units require sites with either existing or programmed affordability mechanisms.
The RHNA cycle is the foundation of California's housing accountability system. Understanding which cycle your jurisdiction is in, what your allocation is, and whether your Housing Element is certified is the starting point for evaluating builder's remedy exposure and state enforcement risk. Legislaide helps cities assess their RHNA compliance status and identify code provisions that may conflict with Housing Element obligations.
Frequently Asked Questions
What is the RHNA cycle?
The RHNA cycle is California's multi-year housing planning process through which the state assigns each city and county a numerical obligation to plan for housing units across four income levels. Most jurisdictions operate on 8-year cycles. The cycle creates a planning obligation — not a requirement to build — but failure to plan has severe legal consequences.
What are the five steps in the RHNA cycle?
(1) HCD determines statewide housing need; (2) HCD allocates need to regional Councils of Governments (COGs); (3) COGs sub-allocate to member cities and counties; (4) cities update their Housing Elements to demonstrate adequate sites; (5) HCD reviews and certifies compliant Housing Elements.
What is the current RHNA cycle?
Most California jurisdictions are in the 6th RHNA cycle, covering 2021–2029. This cycle's allocations are substantially larger than the 5th cycle — in many cases three to five times higher — with a statewide total of approximately 2.5 million units. The 7th cycle will cover approximately 2029–2037.
What are the four RHNA income categories?
Allocations are divided into: Very Low Income (up to 50% AMI), Low Income (51–80% AMI), Moderate Income (81–120% AMI), and Above Moderate Income (above 120% AMI). Housing Elements must identify sites for all four categories — sites must be realistically developable and zoned at appropriate densities for each income level.
What are the consequences of failing to meet RHNA cycle deadlines?
Cities that fail to obtain HCD certification of a compliant Housing Element before their RHNA cycle deadline face: builder's remedy exposure, HCD enforcement referrals to the Attorney General, loss of state housing grant eligibility, and enhanced scrutiny on discretionary housing approvals. Certification is the only exit from these consequences.
Published April 6, 2026 by Legal Team at Legislaide.