Can seller cancel the transaction because I want him to obtain city's occupancy permit first. It is newly built.

Generally, no, the seller can't just cancel the deal. A full consultation would be necessary to properly advise you. I'm a real estate broker...

You can bring this up to the board and demand they reimburse you and/or you can have an attorney write a demand letter. Alternatively, you could...

Grounds to break residential lease?

You should report this to the Los Angeles Housing Department and/or have an attorney write a demand letter before you just break the lease.

I'm on a month-to-month lease. If I file a claim for non-habitability, can they terminate my lease?

They can terminate your lease, but then you would have a good claim for retaliation against the LL.

How do I get a contractor to finish a job that a subcontractor started, but never finished.

You can have an attorney write a demand letter and/or sue in court. Filing a complaint with the CSLB is an option as well.

How can you find out the new address of a person you want to sue?

You can try to do a public records search using various service or hire a private investigator.

Realtor wrote an offer half out of a brokerage and close escrow under a different brokerage. Who will get the commission?

The documents involved in this deal would have to be reviewed to properly advise you. I'm a real estate broker in addition to being an attorney.

How do you get a person to accept a letter if the person keeps refusing the letter?

You should hire a process server. A person cannot "refuse to accept a letter". If the person is not home, you can serve at their place of work or...

Contact Their Attorney?

It's never advisable to contact and deal with an attorney when you don't have an attorney of your own. It will be highly unequal. Company B needs...

I haven't received my Final Pay for over 60 days now...

You can sue them in small claims court.