San Francisco landlords are legally required to obtain a city-issued license before raising rent on any unit covered by the Rent Ordinance — and a free public portal lets tenants verify compliance in under a minute.

The requirement, administered by the SF Rent Board, ties a landlord's eligibility to increase rent directly to filing annual housing inventory reports with the city. Tenants who have been paying increases on a rent-controlled unit whose landlord skipped that step may be entitled to a full refund of those payments — but the mechanism is obscure enough that most renters have no idea it exists.

San Francisco has roughly 172,000 units covered by rent control, but the rule that gives the city its enforcement teeth over illegal rent increases isn't widely publicized: landlords must hold an active license to increase rents before they can legally charge a single dollar more to a covered tenant.

The license is not automatic. According to the SF Rent Board's Housing Inventory and Fee Portal at portal.sfrb.org, property owners must first submit annual housing inventory reports to the city. Completing that submission is the gateway to obtaining the license. Without it, any rent increase imposed on a covered tenant is unlawful under the Rent Ordinance — full stop.

How to check in 60 seconds

Tenants can look up their own address directly on the portal. The site's search function, listed under the "Find" box on the right-hand side of the homepage, returns property-level records. If a unit's record shows a "Housing Inventory Submission" for the current year, the landlord is in compliance. If it doesn't, the landlord cannot lawfully increase that tenant's rent.

The portal was built for both sides of the lease: property owners use it to submit inventory data, pay annual Rent Board fees, and obtain or renew their increase license. Tenants use it to "view status of landlord's current License to increase rent for a unit," per the portal's own description.

What tenants can do

A San Francisco renter on a rent-controlled unit whose landlord lacks a current license has two options. First, they can simply decline to pay any increase — it has no legal basis. Second, if they've already paid increases under a non-licensed landlord, they can report the unlawful increase to the Rent Board at sf.gov/report-unlawful-rent-increase. The Rent Board will notify the property owner, and the tenant may be entitled to a refund of every dollar of the unlawful increase paid.

The issue surfaced publicly this week in a detailed post on r/sanfrancisco by user /u/MadameDuChat, a former SF resident who spent 15 years in the city. "Check to make sure that your landlord has a rent increase license before you pay any increases on a rent-controlled unit," the post urged, laying out the portal lookup and reporting steps for current tenants.

Why it matters now

Housing affordability anxiety in San Francisco is running high. Median asking rents remain elevated, and r/sanfrancisco has seen a wave of posts about the competitive rental market. The rent-increase license requirement is a concrete, verifiable protection that costs tenants nothing to use — but it only works if they know it exists.

The Rent Board did not respond to a request for comment by publication time. Property owners who have questions about compliance can find guidance through the portal's built-in user guide.

If you rent a unit in San Francisco and aren't sure whether your building is covered by the Rent Ordinance, the portal's property search will also return that information. Buildings constructed before June 13, 1979, with two or more units, are typically covered — though exemptions apply.