Land Near Gold Line Stations in 11 SGV Cities May Now Hold More Homes Under SB 79

Our transit-housing law hub covers the full timeline of transit housing laws since 2017. This piece goes deeper on the newest one, SB 79.

What this means for you

Land near a Metro Gold Line station may be able to hold more homes than your city's zoning map shows. A state law, SB 79, sets a minimum height and density for housing near qualifying train stations. It took effect July 1, 2026.

If you're weighing the highest and best use of your property, it's worth finding out whether your lot qualifies. Highest and best use means the most valuable legal use of the land. The best first step is a conversation with your city's planning department.

Which stations count

SB 79 sorts stations into two tiers. The Gold Line (officially the A Line) is light rail, so its stations are Tier 2. The San Gabriel Valley has no Tier 1 stations.

The law reaches lots within half a mile of a station entrance, measured in a straight line from the nearest edge of your lot. In a city with fewer than 35,000 residents, it reaches only a quarter mile.

Here is how far it reaches in each SGV city with a Gold Line station:

Every city on this list is covered. In the five smaller cities, the area around each station is smaller.

Population figures are U.S. Census estimates. Your planning department can confirm the figure the city uses.

What a lot can hold

Near a Gold Line station, your city must allow at least these limits for a qualifying project:

The law also sets a minimum floor area ratio, which compares a building's floor space to the size of its lot. These limits are what the city has to allow. Nobody has to build that much, and you can still build under your city's own zoning instead.

Does your lot qualify?

Your lot may qualify if:

• It sits within the distances above from a qualifying station.
• Its zoning allows homes, mixed use, or commercial use. Single-family zoning counts, because it allows homes.
• Your city hasn't excluded it for now (see below).

The project itself also has to meet a few rules:

• At least 5 homes.
• At least 30 homes per acre, or your city's own minimum density if that's higher.
• Homes that average 1,750 square feet of living space or less.
• Some affordable homes, if the project has 11 or more.

The 30-per-acre rule applies to what you build, not to your lot's current zoning. It keeps the law from being used for one or two large houses.

An example

Say you own a 7,500-square-foot lot within a quarter mile of the Monrovia station. Its single-family zoning allows one house there, plus ADUs.

Under SB 79, a project on that lot could have:

• At least about 6 homes, to meet the 30-per-acre minimum.
• Up to about 17 homes, at the 100-per-acre limit.
• A building up to 65 feet tall.

These are rough numbers. The real answer depends on your lot's shape and your city's other written standards. An architect or your planning department can tell you what fits.

Affordable homes on larger projects

A project with 11 or more homes must set some aside as affordable. The builder picks one of these:

• 7% for extremely low-income households
• 10% for very low-income households
• 13% for lower-income households

If your city's own affordable housing rule asks for more, the city's rule applies instead.

Your city may have set some lots aside

Cities can hold some lots out of SB 79 for a time. That lasts until one year after the city adopts its next housing element, the housing plan the state requires every city to keep.

Lots a city can set aside include:

• Lots whose zoning already allows at least half of SB 79's limits
• Lots with a historic resource on a local register
• Lots in a very high fire hazard severity zone

A city that does this must show those lots on its public zoning map. Cities can also adopt their own plan for station areas, which the state reviews. Your planning department can tell you whether either applies to your lot.

Talk to your city first

Start with your city's planning department. Bring your address, and ask:

• Is my lot inside an SB 79 station area?
• Has the city set my lot aside, or adopted its own station-area plan?
• What would a qualifying project need to meet here?

From there, an architect or a land-use attorney can help you test what your lot can actually hold.

Good to know

• Using SB 79 is your choice. Your city's own zoning still works too.
• SB 79 doesn't change anything for lots outside the station areas.
• It has no direct effect on property taxes.
• Starting January 1, 2027, state housing law gives qualifying projects added protection from denial in some areas.

Who to contact

Owners, builders, and neighbors can all use these offices.

Your city's planning department (both). Confirms your lot's zoning, whether it sits in an SB 79 station area, and whether the city has set it aside or adopted its own plan. Contact information is on your city's website.

California Department of Housing and Community Development (HCD) (both). The state housing department explains SB 79 and reviews each city's SB 79 rules. Website: hcd.ca.gov/planning-and-research/sb79-tod.

Note on official inquiries: SGV Housing provides independent market intelligence and regulatory analysis for information only. We are not a government agency, a planning department, or legal counsel. For official zoning decisions or questions about a specific lot, contact your city's planning department directly.

Before you act

This article is general information, not legal advice. Laws change, and every property is different. Before you act, talk to a licensed California real estate attorney. For tax questions, also talk to a CPA.