While PMI requirements are tighter these days in regards to debt ratios and credit scores etc., we do plenty of loans with PMI. We hear this rumor frequently that "if you don't have 20% to put down you get no loan." It's simply just not true in our markethere (Jackson area)if you have decent credit and debt ratios. In addition, we do FHA loans, USDA loans, and VA all day with less money down, but I won't go into the details of each loan type, but to say FHA requires 3.5% down and hashigher monthly PMI.USDA is a popular 100% loan product in areas considered"rural" but my definition of rural and theirs are 2 different things and this one is limited based on household income. It also has a small amount of monthly PMI. VA...well...100% financing for veterans with no pmi.
LPMI loans just price the PMI into your rate up front. The benefit would be determined to me based on how long you plan to stay in the home. Keep in mind that monthly PMI is now tax deductable.
As for your question about avoiding PMI..it is more difficult these days no doubt. However, depending on how strong you are as a borrower. we are still able to secure some second mortgages through local banks. In other words, maybe an 80% first, 10% second, and you put 10% down as an example. Again, this is determined by ratios and credit.
If you are building, and have the construction loan in your name (qualifying for a construction loan is a whole other topic) then you can use any unused equity once the home is finished since this will be considered a construction to perm refi. If you purchase from a builder, then the above purchase rules apply..not refi.
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