CHARLOTTESVILLE, Va. (AP) — The foundation that owns Thomas Jefferson’s estate hopes to take efforts to preserve Monticello’s spectacular mountain views a step further, an idea that worries some developers.

A request the group filed with the Albemarle County Planning Commission calls for nearly quadrupling the size of what’s known as the Monticello viewshed and expanding voluntary guidelines for developers in the region.

“There’s a reason we’re up there with the pyramids and the Great Wall,” said Leslie Greene Bowman , president of the Thomas Jefferson Foundation. “It has a lot do with Jefferson’s vision, not only figuratively but literally.”...