Welcome to this spacious 1939 Williamsburg Colonial style home on beautiful Lorain Road off Saint Albans Road. The home site consists of 2 separate legal parcels in San Marino, one of which is a vacant lot with its own gated, separate street entrance. This 4 bedroom, 4 bath home features 3,886 SF of living space on a 17,129 SF lot (the house lot is approx.13,507 SF per tax assessor and the rear vacant lot is 3,622 SF per assessor). In 2005, the current owner extensively updated the home and expanded the living space, including the addition of the family room and a large primary suite. The formal entry has 3 coat closets and showcases the handsome light-filled stairway. The formal living room features a gas and wood burning fireplace with integrated mantel and wood details. In-ceiling speakers are throughout the home and outside patio. The formal dining room has a wide cased opening to accommodate an extended dining table for large gatherings. Both rooms have matching custom window coverings. There is a large downstairs office, which can be used as a 5th bedroom featuring French doors with sidelights, a large closet with built-in space for file cabinets and built-in bookshelves. There is a downstairs en-suite bedroom with an updated 3/4 bath with a tiled shower with frameless glass shower door, an office alcove with built-in desk and cabinets. The thoughtfully updated kitchen features Caesarstone counters, dual sinks, Miele dishwasher, stainless steel gas Wolf stove with double ovens and a large griddle, Viking professional hood, built-in Subzero refrigerator, recessed lights, bay window with operable side windows and screens, large food pantry, built-in cookbook bookshelf and built-in desk, and solid wood cabinets. The spacious family room has numerous built-ins, an oversized gas and wood burning brick fireplace with brick and French doors. The rear yard is a delightful entertainment and play space, including a redone patio with room to host a large party, a swimming pool with rope tree swing, spa, grassy area, rose garden and mature trees. This street-to-street property has an adjoining separate parcel vacant lot ready for an ADU with its own separate driveway entrance. Buyer shall independently explore the possibilities for the use of the lot, such as a pool house, garage, or ADU.