25 CFR 700.81 - Monthly housing cost.
(a)General. The term monthly housing cost for a replacement dwelling purchased by a certified eligible head of household is the average monthly cost for all mortgage payments, real property taxes, reasonable utility charges, and insurance.
(b)Computation of monthly housing cost for replacement dwelling. A person's monthly housing cost for a replacement dwelling shall be a projected amount that includes one-twelfth of the estimated reasonable annual cost for utility charges.