Commercial property rules in California and Los Angeles.
Deadlines, official sources and short guides for owners of commercial property, each checked against the official text and dated.
California dates and rules.
Statewide rules for commercial leases, and the dates a commercial owner keeps.
California and Los Angeles compliance calendar
Every yearly deadline for a commercial owner in Los Angeles, with an .ics file for your calendar app.
Read itOfficial sources for California and Los Angeles landlords
The statutes and agency pages behind our California guides, grouped by who publishes them, each dated.
Read itCalifornia commercial estoppel certificate
Fill in a commercial tenant estoppel certificate in your browser, then print it or save it as a Word file.
Get the templateSB 1103 toolkit for landlords
Who counts as a qualified commercial tenant, the notice periods, and the paperwork for operating costs.
Read itQualified commercial tenant checker
Check whether a tenant is likely a qualified commercial tenant under SB 1103, and which of its rules apply.
Open the calculatorSB 1103 notice calculator
The 30 or 90 day rent increase notice and the 30 or 60 day termination notice, for periodic tenancies.
Open the calculatorSB 1103 operating cost documentation checklist
The packet to send before charging a qualified commercial tenant for operating costs, with its dates.
Get the templateCommercial security deposits (Civil Code 1950.7)
What a landlord may keep, when the rest comes back, and why the residential one-month limit doesn't apply.
Read itCASp disclosure in commercial leases (Civil Code 1938)
What a commercial lease must say about Certified Access Specialist inspections since 2017.
Read itOperating cost pass-throughs (Civil Code 1950.8)
When a commercial lease may pass building operating costs through, and the fees it can't demand.
Read itHoldover and notices for commercial tenancies
Holdover, month-to-month notices, three-day notices with estimates, and response times.
Read itLate fees in commercial leases (Civil Code 1671)
The reasonableness test for commercial late charges, and why we found no statutory percentage.
Read itAB 1482 and commercial property
The statewide rent cap covers homes, not commercial space. What applies to commercial tenancies instead.
Read itProposition 13 for commercial owners
Base year, the 2% limit, supplemental bills, 35-year leases and the BOE-100-B filing.
Read it
Los Angeles City and County.
The City's business and transfer taxes, and the County's tenant protections.
Los Angeles business tax for commercial landlords
The $1.27 per $1,000 rate, the small business exemption, renewal dates and the commercial tenant list.
Read itLos Angeles transfer taxes and Measure ULA
County and City transfer taxes and Measure ULA, with the thresholds since July 1, 2026.
Read itLos Angeles commercial tenant protections
The County ordinance in force since 2022, and the City and County proposals still under way.
Read it
Templates with California fields.
Free files to download, each with the California items noted.
Commercial lease abstract template
Every term worth abstracting from a commercial lease, CAM terms included, with a page and quote column for each answer. Excel and print.
Get the templateCommercial rent roll template
One row per suite with dates, rent, next increase and deposit, in columns that import straight into Cornerhold. Excel and CSV.
Get the template
How these pages are kept
Every statement links to the official page it comes from, and each page shows the day we last checked it against the official text (October 25, 2026 for this set) and a change log. These pages are general information, not legal advice. If something changed, tell us.
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