Just looking to collect my rent :-)Can anyone tell me what are the things which are different compared to the traditional residential lease in California?

They can provide guidance on potential legal options and rights concerning the city’s demands and the lender.Negotiate with the City:Seek Extensions or Variances: Your friend can request an extension on the deadline to comply or apply for variances that might allow the property to meet less stringent requirements.Explore Grants or Subsidies: Check if there are any local, state, or federal grants or subsidies available for renovating older properties, especially those providing low-income housing.Engage with the Lender:Discuss Financial Hardship: Present the case to the lender, explaining the situation and the financial hardship imposed by the new building codes.Propose a Loan Modification: Suggest modifying the loan terms, such as extending the loan period, reducing interest rates, or even deferring payments temporarily.Negotiate a Short Sale: If the property must be demolished and rebuilt, your friend can discuss the possibility of a short sale where the lender agrees to accept less than the owed amount to avoid foreclosure.Explore Refinance or New Loans:Seek New Financing Options: Look for other financial institutions or private lenders willing to provide financing for renovation or rebuilding.

You must collect the rent every month . 

Attempts to collect on it?

I collect 10% gross cash flow on each.

If you have a lot of doors, any claims you're paying out (again, with your time spent dealing with issues) are generally offset by the premiums you're collecting from doors that don't require any or much attention.The fee structure should be transparent and easy to understand, and it certainly should be on the PMCs radar to avoid "project management" when possible. 

Rental portal to collect rent2.

Long-Term Wealth Creation:Owning a duplex can be a stepping stone toward a more extensive real estate portfolio.

At that time, the County Treasurer issues his tax execution to the County Tax Collector who is charged with collecting delinquent taxes, assessments, penalties and costs for collection.

LindaMost statutes don’t allow you to collect double rent, the previous tenant would need to be pro-rated back for that portion of time you let the new tenants occupy.