Drain cleaning services in Greenbrae, CA

Drain conditions in Greenbrae

Greenbrae has two kinds of lot: hillside homes climbing above the flat, and level lots near the creek and marsh. Older houses commonly have clay or mixed laterals, and on the hill the pipe drops steeply before easing out near the street. On the flat the fall is slight and the water table sits high, so a joint that has opened can take in groundwater and a small sag stays wet. Some homes have rooms below the sewer level.

Pumps for lower rooms are common here, so tell the call-taker if a basement or lower bath is the one backing up, and whether a pump alarm has sounded, since a pump fault can look like a clog. Cleanouts may be on a slope, near the house wall, or down steps. Mention whether the slow drain is worse after rain. A camera look is worth requesting where a line runs long or flat. Crews also work in San Rafael, Corte Madera, Larkspur and San Anselmo.

Hillside homes above the flat

Homes in the hills above Sir Francis Drake sit on steep lots, with laterals that run a long way down to the sewer in the flat. Steep runs speed up the flow, then drop solids on the first level stretch.

See main sewer line clogs.

Flat lots by the creek and marsh

Lots near Corte Madera Creek and the marsh sit barely above sea level. Groundwater rises with the tide and storms and presses on joints, and low fixtures back up first.

Related: every drain backing up and sewer camera inspection.

Local notes for Greenbrae

• Redwoods, bays and old landscaping. Redwoods, bays and old gardens grow close to most homes, and roots follow the damp ground to the lateral. See tree root removal.
• Postwar homes and clay pipe. Many homes date from the 1940s to the 60s, with clay laterals now many decades old. See clay sewer lateral clogs.
• Buying near the marsh. A camera look before closing shows sags and silt in a lateral near high groundwater. See sewer scope: buying or selling.

Pumps for lower rooms

Some homes use ejector pumps to lift waste from lower rooms. A failed pump backs up lower fixtures.

See adu and added-bathroom drain clogs.

What to say when you call from Greenbrae

• Mention the steps, gate or path to the cleanout. A steep route changes what equipment can be carried in.
• Say if a retaining wall, driveway or large tree sits over the line. Those limit how a repair could be reached.
• Say where the house sits on the slope. It tells the technician which way the lateral runs and where the cleanout is likely to be.

Common questions