Technically speaking, a defendant is in default if they do not file an answer within 30 days. However, practically speaking, judges will often...

As long as you're living in the property, you're obligated to pay rent.

Can you appeal a complaint and file another new compliant with new causes of action in California superior court

You can't "appeal a complaint", but you can dismiss the complaint and file a new one, depending on the circumstances.

The answer to this would depend on what your lease says. A full consultation, including a thorough review of the lease, would be necessary to...

Do i need a landlord/tenant attorney or a business attorney?

Your options here would depend on what your lease says. It would have to be reviewed to properly advise you.

Hi my name is kaveh shadlo us citizen in this moment out of country almost for 3 years some one file lawsuit against me 3 year

Do you mean the status of the lawsuit? If you have the case number, you can look this up online on the court's website.

IN NOVEMBER SECOND AT THE MORNING I HAVE THE SHOWER BROKEN. IT IS ALREADY ONE MONTH THE OWNER TOOK ONLY THE CARPET NOTHING DO

You still have to pay your rent but if the LL isn't fixing the carpet, you can fix it at your own cost and deduct that from your next rent payment.

I recently moved into an apartment and found that it has roaches. the manager has fumigated at least a dozen times.

You should file a complaint with the local housing authority and health department.

How do I proceed with the contractor who installed 850 sq ft of tile in my house and I noticed serious issues with quality?

You can file a complaint with the cslb or sue the contractor.

Invoice requirement for services rendered

There is no such requirement to include the details you mentioned.