Houses and pipes in Raleigh
Oakwood, Mordecai, Boylan Heights and Hayes Barton have homes from the 1870s through the 1930s, many on crawlspaces with clay or cast iron laterals under massive oaks and magnolias.
Postwar neighborhoods inside the Beltline, such as Five Points' outskirts, Budleigh, Lake Boone and Longview, and many just outside it, were built from the late 1940s through the early 1970s. Orangeburg fiber pipe was common in those years.
North Raleigh, Brier Creek and the suburbs toward Wake Forest and Garner were built from the 1980s onward with PVC drains.
NC State University brings more than 35,000 students, and the neighborhoods around Hillsborough Street and Western Boulevard are full of rental houses and apartments.
Raleigh sits on red clay and rolling hills, with long laterals and soil that holds water after storms and bakes hard in late summer.
Who handles what in Raleigh
The City of Raleigh Public Utilities Department provides sewer service to Raleigh and several nearby towns. The owner maintains the private service line from the house to the city cleanout or main.
Drain problems Raleigh homes see most
| Problem | Why it happens here |
|---|---|
| Oak and magnolia roots | Historic neighborhoods inside the Beltline |
| Collapsing Orangeburg | Homes from the late 1940s to early 1970s |
| Hair, grease and wipes | Student rentals near NC State |
| Rainwater infiltration | Wet red clay |
| Settled laterals | Hilly lots |
| Renovation tie-ins | Remodeled homes on old pipe |
Raleigh drains through the year
Spring storms and summer thunderstorms soak the clay and swell roots. Hurricane remnants, like Fran in 1996 and Florence in 2018, can drop heavy rain for days.
August move-in at NC State brings rental clogs. Winter ice storms can knock out power and freeze crawlspace pipes.
What drain cleaning costs in Raleigh
| Job | Typical range |
|---|---|
| Sink, tub or toilet cleared | $135–$280 |
| Main line cleared from a cleanout | $200–$450 |
| Root cutting | $270–$600 |
| Hydro jetting | $345–$810 |
| Camera inspection | $155–$395 |
North Raleigh homes with PVC clear quickly. Old laterals under oaks, Orangeburg and student rentals with no cleanout take longer.
Before the plumber arrives
- 1
Stop water use
Pause showers, laundry and dishes, and tell housemates.
- 2
Renting near State?
Call your landlord or manager first.
- 3
Check the crawlspace
Water or a smell under an older home points to a broken line.
- 4
Find the cleanout
Front yard, side yard or near the sidewalk.
Oakwood and the historic districts
Oakwood, Raleigh's largest intact Victorian neighborhood, and the nearby Mordecai and Boylan Heights districts sit under oaks that are well over a century old. Laterals there are clay or cast iron, and roots fill most of them. Lining is popular because it keeps the trees, slate walks and gardens intact.
Hayes Barton and Five Points
Hayes Barton and the neighborhoods around Five Points were built in the 1920s and 1930s, with large homes on wooded lots. Many have been renovated with new kitchens and baths connected to original laterals. Scoping the lateral during a remodel is the smart move.
Orangeburg inside and outside the Beltline
Neighborhoods built after the war, from Budleigh and Lake Boone to the ranches along Glenwood and Six Forks, often have Orangeburg pipe. After decades in red clay, it softens and flattens. If an older ranch home keeps backing up, a camera inspection will show whether Orangeburg is the cause. Bursting or replacement is usually the fix.
Around NC State
The blocks between Hillsborough Street and Western Boulevard are packed with student rentals. Older houses with five or six tenants put heavy loads on their laterals. Landlords who jet the main every summer and post simple rules avoid most August emergencies.
A typical Raleigh call
During a rainy week in March, the owners of a 1962 ranch off Glenwood Avenue find the toilets gurgling and the tub draining slowly. The plumber clears the main and runs a camera that shows Orangeburg pipe flattened and blistered, with roots pushing through. The owners schedule pipe bursting.
North Raleigh and the suburbs
North Raleigh, Brier Creek, Wakefield and the suburbs stretching toward Wake Forest and Garner were built from the 1980s onward with PVC drains and cleanouts near the driveway. The pipe there is rarely the problem. Most calls trace back to a kitchen line coated with fat after a holiday dinner, hair in a teenager's shower or wipes in a toddler's toilet. Oaks and pines planted with the first North Raleigh subdivisions are now old enough to find a loose fitting, so roots do show up occasionally.
Red clay and hills
Raleigh's red clay holds water after storms and shrinks in dry spells, and many lots slope toward creeks like Crabtree, Walnut and Pigeon House Branch. Laterals laid on those slopes settle unevenly over the decades and develop low spots where water stands and paper collects. A camera with a locator marks the dip on the lawn so only a short section has to be dug.
Glenwood South and restaurants
Glenwood South, Fayetteville Street, the Warehouse District and the food halls downtown have some of the busiest kitchens in the Triangle, many in older brick buildings with lines laid long before the restaurants arrived. Interceptors pumped on a fixed calendar and kitchen lines jetted before big weekends like the Hopscotch festival and NC State home games keep them open.
Ice storms
Raleigh's winters are usually mild, but a few times a decade an ice storm coats the trees, brings down limbs and knocks out power for days. Crawlspace homes cool off quickly without heat, and pipes along the foundation can freeze. Close crawlspace vents before a hard freeze, open cabinet doors on outside walls and let faucets drip. If a drain freezes, warm the crawlspace gently; never use an open flame.
What to tell a Raleigh plumber
Name the neighborhood or nearest cross streets and roughly when the house was built. Say whether it's inside or outside the Beltline, whether it has a crawlspace and whether an oak sits between the house and the street. If it's a rental near campus, include the landlord's number, and mention if the problem began during or just after rain.
Raleigh ZIP codes
- 27601
- 27603
- 27604
- 27605
- 27606
- 27607
- 27608
- 27609
- 27610
- 27612
- 27613
- 27614
- 27615
- 27616
- 27617
- 27695
- 27697
Raleigh drain questions
Who handles sewer in Raleigh?+
Raleigh Public Utilities. The private line from the house to the city connection is the owner's.
Does my 1960s Raleigh home have Orangeburg?+
It might. Homes from the late 1940s through the early 1970s often do. A camera inspection tells you.
Can I fix my sewer without hurting my oak?+
Usually. Roots can be cut from inside, and lining or bursting replaces the pipe without digging around the tree.
Why does my NC State rental clog so often?+
A 1940s bungalow off Hillsborough Street was built for one family, not six roommates cooking and showering on different schedules. Jetting the main each summer and a hair catcher in every shower cut the calls dramatically.