Hi Russ and welcome to Start up Nation.
I doubt that the SBA is a great resource for you and your partner. They're a government agency and by statute they can't provide a loan guarantee if the creditor's credit profile enables him to meet his need for credit without their involvement.
Since you guys have good credit scores, some money for a down payment, and collateral to secure the loan, I don't think you would have any trouble getting the loan from a bank. I don't know what bank you're banking with, but I'd avoid the Bank of Americas, Wachovias, Wells Fargos, and the like because their credit decisions are usually made somewhere else.
Talk to a smaller, regional bank. These banks typically enjoy much higher levels of customer deposits than the Big 5 and are thus better equipped to meet the needs of customers who need credit. Moreover, they usually make their credit decisions on site, which means, you'll likely get a chance to talk to the person who carries some weight in the decision making process.
Just a final thought. Have you really thought this through putting your house up as collateral? Depending on your business, this might be a very risky move.
Good luck. If you feel like discussing your project in greater detail, please send me a PM and I'll try to give you a few more pointers.
I hope this helps.
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