1. Mortgage interest deduction: In 2017, the Tax Cuts and Jobs Act reduced the mortgage interest deduction limit to the first $750,000 of eligible mortgage debt, down from $1 million.

2. Home Equity loan interest deduction: The new tax rules changed the home equity loan interest deduction and the loan cannot exceed the value of the home.

3. Opportunity Zones: Opportunity Zones were created under the Tax Cuts and Jobs Act to incentivize investment in designated economically distressed communities.

4. Dodd-Frank Wall Street Reform and Consumer Protection Act: The Dodd-Frank Act enacted regulations that aimed to prevent another housing crisis by creating new standards for mortgage lending and financial services.

5. Homeowner’s Protection Act (HPA): The HPA requires lenders to inform borrowers of their right to cancel private mortgage insurance (PMI) once their equity reaches 20% of the home’s value.

6. Fair Housing Act: The Fair Housing Act prohibits discrimination in the sale or rental of housing based on things like race, sex, religion, and disability.

7. Real Estate Settlement Procedures Act (RESPA): RESPA is designed to protect homebuyers from illegal or unethical practices by mortgage lenders and real estate agents.

8. Foreign Investment in Real Property Tax Act (FIRPTA): FIRPTA requires foreign sellers of U.S. real estate to pay taxes on any capital gains they make from the sale.

9. Home Valuation Code of Conduct (HVCC): The HVCC was created in response to the 2008 housing crisis to regulate mortgage appraisals and prevent lenders from influencing the appraiser’s valuation.

10. California Consumer Privacy Act (CCPA): Curbing data sharing and collections of real estate agent can also affect sellers and buyers under CCPA.