The distribution is included in gross income; there is no exclusion in the law for using retirement account funds for this purpose. However, because you are over age 59½, there is no 10% early distribution penalty. Younger participants taking 401(k) withdrawals for home-buying costs are subject to penalty. The exemption from the 10% penalty only applies to withdrawals from IRAs for first-time homebuyers, and only up to $10,000.
Rules that limit the deduction of losses from passive activities to income from other passive activities. Passive activities include investment rental operations or businesses in which you do not materially participate.