S.1990: A bill to amend part D of title III of the Public Health Service Act to authorize grants and loan guarantees for health centers to enable the centers to fund capital needs projects, and for other purposes.

Build, Update, Improve, Lift, and Design Health Centers Act of 2007 or the BUILD Act – Amends the Public Health Service Act to require the Secretary of Health and Human Services to award grants to health centers to: (1) modernize, expand, and replace existing facilities; and (2) construct new facilities at such centers.

Requires the Secretary to establish a loan guarantee program for loans to health centers for capital need projects, including: (1) acquiring, leasing, modernizing, expanding, or replacing existing facilities; (2) constructing new facilities; (3) purchasing or leasing equipment; and (4) the costs of refinancing loans made for any such projects.