Should I buy a house with Masonite siding?

You should be cautious about buying a house with Masonite siding and have it thoroughly inspected, as Masonite hardboard siding has a history of moisture damage, swelling, and rot. Masonite siding was popular in the 1980s and 1990s but was subject to a 1 billion dollar class-action lawsuit because it absorbs moisture, swells, buckles, and rots, especially at joints, edges, and near the ground. If the house has Masonite siding that is 20 to 30 years old, it may have hidden damage, mold, and compromised sheathing. However, not all Masonite siding fails, and if it has been well maintained, kept painted, caulked, and away from ground contact, it can last. Before buying, hire a home inspector to check for soft spots, swelling, delamination, and rot, especially at bottom edges, around windows, and where siding touches roof or ground. Check if the siding was part of the lawsuit and if previous owners received compensation or replaced some boards. Factor in future replacement cost of 15,000 to 30,000 dollars for a typical house with fiber cement or engineered wood. You can negotiate lower price due to siding condition. If siding is in good condition and you budget for eventual replacement, it may be okay, but if it shows signs of failure, walk away or demand replacement. Many realtors advise avoiding Masonite siding unless price reflects risk and you plan to replace it with HardiePlank or LP SmartSide soon.

Whether you should buy a house with Masonite siding depends on condition of siding, price, climate, and budget for replacement, with caution advised as Masonite siding is prone to moisture damage, rot, and delamination, though if well-maintained and discounted, it can be acceptable with plan to replace. Masonite siding is hardboard siding made from wood fibers and resin, popular in 1980s and 1990s as cheap alternative, but known for failure when moisture penetrates, causing swelling, buckling, and rot, leading to class action lawsuits and discontinuation in 2001, so houses built between 1980 and 2000 may have Masonite siding at risk. Before buying, inspect siding thoroughly for signs of damage, including swelling at bottom edges, soft spots when pressed, peeling paint, caulk failure at joints, and discoloration, especially on north side and near ground where moisture lingers, and check areas around windows, doors, and where siding meets roof. If siding is in excellent condition with no swelling, well-painted, and properly caulked with 6-inch clearance above ground, it may last several more years with maintenance painting every 5 years, but budget for replacement cost of 10,000 to 20,000 dollars for average house with LP SmartSide or Hardie Board. In wet climates like Pacific Northwest, risk higher, in dry climates lower. Consider asking for discount to cover future replacement, and get professional inspection by siding contractor. So buying house with Masonite siding can be okay if siding is in good condition, price reflects future replacement need, and you budget for replacement with LP SmartSide or Hardie Board, but avoid if siding already shows swelling and rot.