A concrete driveway takes a beating in Central Ohio — motor oil and transmission drips, rust from fertilizer and patio furniture, tire marks, and the general grime that freeze-thaw winters leave behind. The good news is that most driveway stains can be dramatically improved. The key is matching the method to the type of stain, because the wrong approach can actually set a stain permanently.
The most important thing to know: concrete is porous. Oil and rust don't just sit on top — they soak into the surface. That's why a quick rinse rarely works and why the right chemistry, not just pressure, does the heavy lifting.
Removing oil and grease stains
Oil is the most common driveway stain. Here's the approach that actually works:
- Blot fresh spills first. If the oil is recent, soak up as much as you can with cat litter, cornstarch, or an absorbent, then sweep it away. Don't rinse a fresh spill with a hose — you'll only spread it.
- Apply a degreaser. A concrete-safe degreaser (or a poultice for deep stains) pulls oil back out of the pores. Let it dwell as directed — this is where the real work happens.
- Agitate. Scrub with a stiff brush to work the degreaser into the surface.
- Rinse with hot water under pressure. Hot water dissolves oil far better than cold. This is why professional results are so much stronger than a garden hose — commercial rigs combine a degreaser with hot-water pressure washing.
- Repeat if needed. Old, set-in stains often need two or three rounds to reach their best result.
Removing rust stains (a different problem entirely)
Rust needs the opposite chemistry from oil. Degreasers won't touch it, and — critically — chlorine bleach can set a rust stain permanently. Instead:
- Use an oxalic-acid-based or commercial rust remover made for concrete.
- Apply carefully, keep it off surrounding plants and metal, and rinse thoroughly — these products are acidic and can etch concrete if left too long.
- For fertilizer rust (common in spring after over-spreading near the driveway edge), treat it as soon as you notice it; fresh rust lifts more easily than old.
What makes stains worse
- Cold water on fresh oil — spreads it into a bigger, lighter stain instead of removing it.
- Bleach on rust — can lock the stain in.
- Too much pressure on old or spalling concrete — a turbo nozzle held too close can gouge and "zebra-stripe" the surface, leaving permanent wand marks.
- Skipping the degreaser — pressure alone can't pull oil out of the pores.
When to call a professional
DIY is fine for a small, fresh spill. It's worth calling a pro when:
- The stains are large, old, or set in deep.
- You want the whole driveway cleaned — not just the stains — including the algae and grime that build up on shaded Central Ohio driveways.
- You'd like the concrete sealed afterward to resist future oil and rust and make the next cleaning easier — see whether you should seal your driveway or patio.
A professional uses commercial degreasers and a hot-water pressure washer at the correct pressure for your concrete's age and condition — removing far more than a homeowner setup while avoiding etching or wand marks. That's exactly what our driveway and concrete pressure washing service is built for.
Commercial concrete is the same problem at a harder setting. Kitchen grease on a dumpster pad, drip lines in a drive-thru lane, and years of oil spotting in a parking area need the same degreaser-plus-hot-water approach on a bigger surface and a tighter schedule — see storefront & restaurant pressure washing if the stained concrete is at your business rather than your home.
The bottom line
Match the method to the stain: degreaser plus hot water for oil, an acidic rust remover for rust, and never bleach on rust or a turbo nozzle on fragile concrete. For a driveway full of set-in stains, a pro will get a cleaner, safer result. See typical pricing in our Central Ohio pressure washing cost guide, or learn when to schedule in our guide to the best time of year to wash your home.
Have a driveway that needs more than a rinse? Get a free, no-obligation estimate and we'll recommend the right treatment for your stains and concrete.