$9k property tax @ 1% of $900k
$4k maintenance @ 0.5% of $900k
$2k homeowners insurance
$8.4k car lease @ $350/car/month x2
$1k car insurance
$16k health insurance and out of pocket
= $40k
Leaving you $10k for food, gasoline, power, water, phone, HOA dues, federal income taxes...