City of Los Angeles — RSO
LA Housing Department (LAHD)
Who's covered
Buildings with a Certificate of Occupancy on or before Oct 1, 1978
Fee
$38.75/unit (RSO) + $67.94/unit (SCEP surcharge)
Deadline
Due Jan 1 — delinquent after last day of Feb
If you miss it
Barred from collecting rent increases until current
Registration includes the Rent Registry form, due the same window. A copy of the Registration Certificate must go to the tenant. Filing: HousingBill.LAcity.org
City of Los Angeles — JCO (non-RSO)
LA Housing Department (LAHD)
Who's covered
Newer buildings, single-family rentals, ADUs — non-RSO units in city limits
Fee
$31.05/unit (2025 rate)
Deadline
Due Jan 1 — delinquent after Feb 28/29
If you miss it
May be legally barred from collecting rent at all
A newer requirement — many owners of "exempt" properties don't realize they now owe this. Filing: HousingBill.LAcity.org
LA County — Unincorporated Areas
Dept. of Consumer & Business Affairs (DCBA)
Who's covered
Buildings before Feb 1, 1995 + all mobile homes, unincorporated LA County only
Fee
$90/unit fully covered, $30/unit partially covered, $90/mobile home space
Deadline
September 30
If you miss it
Can't raise rent or pass through costs until current
Use your Assessor's Parcel Number (APN) and mailer PIN to register. Filing: rentregistry.dcba.lacounty.gov
Santa Monica
Santa Monica Rent Control Board
Who's covered
Pre-April 10, 1979 buildings (rent control); ALL residential units under new 2026 ordinance
Fee
$240/unit (rent-controlled, FY26/27); all-unit fee still TBD by Council
Deadline
Bills mailed June — due Aug 1
If you miss it
4% monthly late penalty; can't collect rent from 2027 if unregistered
New as of Jan 1, 2026: registration now required for every residential rental unit in the city — including single-family homes, condos, and ADUs. Filing: smgov.net/rentcontrol
West Hollywood
Rent Stabilization & Housing Division
Who's covered
Buildings before July 1, 1979
Fee
~$234–238/unit (2025–26 rate)
Deadline
Due July 1 — late after July 15
If you miss it
Loses eligibility for that year's Annual General Adjustment
Exemption applications (owner-occupied, government-subsidized units) are also due July 1. Filing: weho.org/rent-stabilization
Not yet on this list
These cities have their own rent stabilization rules, but the specific registration fee and deadline haven't been independently verified for this tracker yet. Check back, or confirm directly with the city before relying on a number here.
Pasadena
Glendale
Beverly Hills
Culver City
Inglewood
Long Beach
This tracker is informational, not legal advice. Fees, deadlines, and coverage rules change — verify with the filing agency before submitting.