Drain Cleaning – Oak Hills, Beaverton OR
True Flow Plumbing provides drain cleaning throughout Oak Hills, a Beaverton hillside neighborhood built primarily in the 1970s and 1980s. The drain lines in Oak Hills homes are ABS plastic — a different material profile than the cast iron found in older Cedar Hills homes, but 40-plus years in the ground is still 40-plus years. Grease and soap scum accumulate on ABS walls over time, and the established trees throughout Oak Hills have had decades to work root systems toward sewer lateral joints. Most Oak Hills drain problems come down to one or both of these causes.
The Two Main Causes of Drain Problems in Oak Hills
Grease & Buildup in 40-Year-Old ABS
ABS drain lines don't corrode like cast iron, but they do accumulate. Four decades of kitchen and bathroom use leaves grease and soap scum layered on the pipe interior — gradually narrowing the effective opening until drainage slows and clogs become frequent. Snaking opens a channel; hydro jetting scours the full interior clean.
Root Intrusion at Lateral Joints
Oak Hills trees planted in the 1970s and 80s have mature root systems now. Those roots target the moisture at sewer lateral joints and infiltrate them over time. A clog that returns within a few months of snaking — especially on the main lateral — is almost always root intrusion that regrows after cutting.
Warning Signs
- Kitchen sink draining slowly after cooking — grease accumulation
- Tub or shower standing water that drains slowly
- Toilet gurgling when the sink, washing machine, or tub drains
- Sewage odor from floor drains or near the cleanout
- A clog that's been snaked before and has come back
- Multiple fixtures running slow at the same time
What We Do in Oak Hills
- Snaking for straightforward individual fixture clogs
- Hydro jetting for recurring main line problems and accumulated grease
- Camera inspection before jetting on recurring problems — we show you what's there
- CIPP lining for joint damage with persistent root intrusion
- Full lateral service from cleanout to city connection
- All of Oak Hills served — every residential street
Frequently Asked Questions
My Oak Hills drain keeps clogging every few months. Why?
On 40-year-old ABS lateral, recurring clogs almost always mean one of two things: root intrusion at a joint that regrows after snaking cuts it back, or heavy grease accumulation on the pipe walls that immediately begins collecting debris again after the blockage is cleared. Both need more than snaking to address permanently. A camera shows exactly which one — or both — we're dealing with, and hydro jetting followed by CIPP lining at the damaged joint solves both causes in one visit when warranted.
Do Oak Hills homes need CIPP lining?
Not all of them, but more than you'd expect on a 40-year-old lateral. When the camera shows joint damage that's the source of persistent root intrusion, CIPP lining seals those joints permanently from the inside — no excavation. We scope first and tell you whether it's warranted before recommending it.
Do you serve all of Oak Hills?
Yes — all residential streets in the Oak Hills neighborhood, including the hillside areas above NW 185th. We also serve Cedar Hills, Bethany, Raleigh Hills, and all surrounding Beaverton neighborhoods.
Oak Hills & Beaverton Neighborhoods We Serve
All Drain Cleaning – Beaverton → | Water Heater – Oak Hills → | Sewer Scope →
Drain Problem in Oak Hills?
Call us. We'll clear it and tell you what's actually causing it — not just what's blocking it today.