A declaration with an opposition motion was submitted where the year was typed incorrectly on a critical point, how can that be

You can file a notice of errata, point out the error, and state the correction.

Selected as the best answer

No, there is no such grace period in California.

Hello, when I hired my attorney I paid her $5000.00 upfront , not she is pretending that it never happened. What can I do ?

You can report the attorney to the bar and go to the LA County Bar's fee arbitration program.

Terminated pregnant employee based on perf. After found she stole $. She threaten to sue me for unfair dismiss. Is there a case?

Based on what you wrote, you probably have defenses to her claims of discrimination and wrongful termination, but a full consultation would be...

Our tenant does not pay water bill.

If you have an agreement with them, you can sue for breach of contract.

Do I reply to Case Management Statement or just appear in court on date that conference is scheduled on?

Just file your own case management statement and show up to the hearing.

When I serve someone with a lawsuit/complaint, can I serve him or her through mail? If they are refusing to tell me whether

Yes, you serve them directly, but you need to serve them through personal service.

Water leak and possible mold

If there actually is the presence of mold in your unit and it has affected you health-wise, you may have a case.

Does a tenant need a written agreement or lease when renting a apartment or house?

Yes, you can still sue, but it will be difficult to win if you do not have any hard evidence.

Can a landlord be sued under the Bus & PC or have the money he collected for rent disgorged if the property is not in a rent

Your question is unclear. Just because the property is not under rent control does not mean that the LL is not allowed to collect any rent.