A house for $170K is towards the upper end of affordability for your income. Whether or not it is doable will depend on your DTI, property taxes, HOA, downpayment, and homeowner's insurance. I know you have an estimate for DTI and available cash but do you have an estimate for the other factors I mentioned?
Cards: Orchard Bank ($1100) | Cap1 Cash Rewards ($2500) | Chase Freedom ($1000) | Best Buy ($2500) | Discover It ($1000) | Barclay Rewards ($2500) | Current scores: EX FAKO: 684, CK TU: 649, FICO EQ: 680, FICO TU: 698, FICO EX: 658 Happy Homeowner Since 2/6/13!
Last App: 4/5/13 Gardening until July 2014