California has not conformed to the TCJA reduction in the acquisition debt limit to $750,000 and continues to follow the pre-TCJA acquisition debt limit of $1 million.

California has not conformed to the TCJA disallowance of equity interest and continues to follow the pre-TCJA rules allowing equity interest deduction on the first $100,000 of equity debt on the taxpayer’s first and second homes.

California does not have a mortgage interest credit (MIC). The amount of mortgage interest that is required to be reduced on the federal return when the MIC is claimed is deductible for state purposes. Restore the amount on Schedule CA.

Mortgage insurance premiums are not deductible for California.