Water damage and mold in Raleigh, NC homes

A city of every era

Raleigh’s neighborhoods span more than a century. Oakwood’s Victorian houses date to the late 1800s. Boylan Heights, Hayes Barton and the streets around Five Points filled in during the early 1900s through the 1940s. Ranches and split levels spread out in the decades after the war, North Hills and Stonehenge among them, and North Raleigh grew through the 1970s, 1980s and 1990s. Newer construction, including the townhomes and condos around Brier Creek, continues today. The leak points in a Raleigh house usually match its age, so the first step with any water problem is knowing what the house is built with.

Older homes inside the Beltline

Older Raleigh houses bring older materials. Supply lines may still include galvanized steel that rusts from the inside; drains may be cast iron or clay, which crack and let roots in. Walls are often plaster on wood lath rather than drywall, which holds water differently: it is dense, dries slowly and is usually worth saving with patient, measured drying. Some of these houses have basements or partial basements, which collect water from foundation walls and floor drains. Many have been carefully updated, others only partly, and houses built before 1978 may have lead paint that calls for lead-safe work practices during any tear-out. Water damage restoration in an older house starts with a careful look at what is there.

Sewer lines and tree roots

Raleigh’s mature oaks are part of its character, and their roots are drawn to the joints of older clay and cast iron sewer lines. Over time they fill the pipe, and the first sign is often a slow drain, then a backup into the lowest shower, tub or floor drain in the house. The city maintains the public mains, but the service line from the house to the main belongs to the property owner, and the city notes that most backups happen in that stretch. A plumber can clear the line, ideally all the way to the main, and run a camera to find roots, sags or breaks. A backwater valve can protect a house whose lowest drains sit below the street. When sewage does come in, sewage cleanup handles it safely.

Crabtree Creek, Walnut Creek and flash flooding

Raleigh’s creeks flood fast. During Hurricane Fran in September 1996, Crabtree Creek rose about seven feet above flood stage, flooding Crabtree Valley Mall and nearby neighborhoods, and Walnut Creek and other streams have overtopped low streets in heavy storms since. Flash flooding from a stalled thunderstorm can be just as damaging on a smaller scale, sending water into houses on low lots or with driveways that slope toward the garage. Floodwater from outside is Category 3, so flood damage cleanup removes the porous materials it touched. Homeowners policies exclude flooding, so houses near Raleigh’s creeks benefit from a separate flood policy, which usually takes 30 days to start.

North Raleigh’s 1970s to 1990s houses

The large suburbs of North Raleigh were built largely in the years when polybutylene supply pipe was common, and many of those houses also have their original or second water heater, aging supply lines to fixtures and air handlers in the attic over the bedrooms. That combination produces the classic North Raleigh call: a split supply line in a wall or ceiling, often after a freeze, or a ceiling stain under the air handler in summer. Burst pipe water damage covers the first, and AC leaking water the second.

Newer Raleigh and attached homes

In newer parts of the city, including much of the housing around Brier Creek, townhomes and condos are common, and slab foundations, interior water heater closets and shared walls change how leaks spread and who is involved. The Morrisville page explains water damage in attached homes and how association master policies and individual condo policies fit together.

Mold in Raleigh homes

Raleigh’s humid summers are hard on older houses with original bathrooms and weak ventilation, on basements that stay cool and damp, and on closets along exterior walls. Mold behind old tile, on basement walls and on the back of drywall after a slow leak are common findings, as is attic mold above bath fans that never reached the roof. When the source is hidden, mold inspection and testing traces it, and mold remediation removes it under containment.

The same water damage and mold help is available in Cary, Apex, Holly Springs and Morrisville.