For instance, I found out in Annapolis that in addition to federal fair housing laws, I cannot discriminate on marital status or source of income and must follow the square foot requirements (listed so much per adult, child under 12, child over 12), so if they met the sq ft and my standard income and credit requirements, then I could not deny them.  

I'm trying to flesh out a business plan, but I'd rather not spend months poring over local, state and federal law and code...

Also, Dodd-Frank requires that even family loans be amortized.To protect yourself, keep your better half happy, and so your sister knows that this is a real loan that is expected to be repaid, you need a note and a deed of trust or mortgage properly originated and in compliance with all state and federal laws, plus a handful of other disclosures.Since you are clearly helping a family member and not looking to get into the lending business, rather than recommend you seek a CPA and lending attorney, there are companies that help facilitate family loans for exactly your purpose.National Family Mortgage, whom I think is related somehow to FCI the giant loan servicer, does exactly what you need.

You may be engaging in activities that could potentially land you in trouble under either Federal or State law.

Unfortunately, this analysis published yesterday by the SF Federal Reserve doesn't analyze commercial real estate, or "hot" markets vs cold markets (or the SF Bay, which is getting overheated).

@Kevin Harrison this ruling was from a Federal District Court Judge, not a state one, and it was based on the US Constitution not a state one. 

Last night, I received an email saying "Will Send this post and all your other posts and website information the Federal and State consumer agencies for investigation..."

Easing of the owner occupancy requirement in condos should help maintain condo values.SAN DIEGO (November 12, 2015) – This evening, Federal Housing Administration Principal Deputy Assistant Secretary Ed Golding joined National Association of Realtors® President Chris Polychron on stage before a packed ballroom of Realtors® and industry experts to announce changes to FHA condominium policies.NAR has long advocated for broad improvements to FHA’s condo rules, arguing that existing policy is overly restrictive and keeps many consumers from buying and selling a home.To address these concerns, Golding announced at the conference’s kick-off event that FHA will make changes to its condo policies in line with those requested by NAR.

There was no additional amount owed until the property is demolished, then an additional lien will be attached for the demo costs.1)  in a chapter 13 bankruptcy, which is federal so it applies all over the states, this is called a reorganization of debt, also known as a payback plan.

Germain Act, the federal law covering the due on sale.