Stump grinding vs full removal, the 2.5x difference, explained
When my mother-in-law called me last April and said a tree service had quoted her $3,200 to "take out" the dead maple stump at the corner of her driveway in suburban Chicago, I asked her the one question that would have saved her the whole argument we then had over the phone. Was the $3,200 for grinding, or for full removal?
She did not know. And neither did she know those are two completely different jobs. The crew had quoted her the removal price for a yard that only needed a grind. A 30-minute conversation, a second phone call, and three cheaper quotes later, she spent $480 on a proper grind. Saved $2,720 because she asked the right question.
This is the post I should have written before she called. Let's go.
What grinding actually is
Stump grinding is a rotating-wheel machine (a Vermeer SC30TX, a Bandit 2890, a Rayco RG37, or the rental-yard DR Stump Grinder you can get from Sunbelt Rentals for $140 a half-day) chewing the stump down to about 4 to 8 inches below the existing ground level. The wheel has carbide-tipped teeth, the kind that cost $40 each and last about 6 months of daily use. The operator sweeps the wheel left to right across the stump face and feeds it in a couple of inches per pass. Chips fly out the front of the machine.
What stays in the ground: the entire root system. The crown of the stump comes out. Everything beyond 8 inches deep does not. The root ball rots over the next 5 to 10 years, feeds the soil microbes, and eventually collapses in on itself. The spot where the stump was becomes a shallow depression that you backfill with 4 inches of topsoil and reseed.
Cost for the stump I watched a crew grind in October 2023, a 22-inch silver maple in suburban Indiana, 25 minutes onsite: $285.
What full removal actually is
Full removal is a skid steer, a mini excavator, or a backhoe with a stump bucket tearing the stump and its major lateral roots out of the ground as a single chunk. The crew digs around the stump, cuts exposed lateral roots with a chainsaw (usually a Stihl MS 271 or a Husqvarna 545), and then lifts or pulls the whole root ball out. What is left: a hole 3 to 6 feet across and 2 to 4 feet deep.
Then the real work begins. Backfill, compact, topsoil, and seed. A removed-and-backfilled spot takes 2 to 5 years to settle before you can build anything solid over it. Some crews will haul the stump off. Others will leave it next to the hole.
Cost for a comparable 22-inch silver maple removal: $700 to $900, and that is before backfill. The 2.5x multiplier I use in the calculator is not a round number I picked. It is the median across the three removal bids I have actually received over the last two years.
When to grind
Grind if you are:
- Replanting lawn over the spot
- Putting a garden bed on top
- Installing landscaping, decorative rock, ornamental shrubs
- Fine with a slight depression that will settle over 6 to 12 months
- On a residential property where aesthetics and money matter more than engineering
- Dealing with any tree that is not a known invasive (silver maple, tree of heaven, bradford pear, black locust)
Roughly 90 percent of residential stump jobs fall in this bucket. Grind, walk away, let nature rot the root ball.
When to remove
Remove if you are:
- Pouring a concrete foundation, footer, slab, or driveway on top of the old stump spot
- Building a structural feature, retaining wall, pool, deck footings, that cannot tolerate soil settling
- Dealing with active root invasion into sewer lines, septic tanks, or house foundations
- Running into local code that specifically prohibits building over decaying root balls (rare, but real in some parts of California and Texas)
- Dealing with an aggressive invasive species where grinding alone will not stop re-sprouting
If none of those apply, grinding is the answer and you are being upsold.
The spot in the middle, deep grinding
There is a middle option some tree services offer called "deep grinding" or "12-inch grind," which takes the wheel down 10 to 14 inches below grade instead of the standard 6. It costs 25 to 40 percent more than a standard grind, still dramatically less than full removal, and it works for fence posts, shed foundations, and thin concrete slabs (sidewalks, patios, decorative pavers). Ask for it by name. Some crews will just say "we can go deeper" without adjusting the quote, which is a sign of a honest outfit.
The removal premium, where it comes from
The 2.5x difference between grinding and removal is not margin-padding. It covers real costs:
- Equipment cost. A skid steer with a stump bucket is a $60,000 machine running $120 per hour all-in. A grinder is a $35,000 machine running $70 per hour.
- Labor. Removal requires a 2-person crew minimum (one on the machine, one cutting roots). Grinding is routinely 1 person.
- Time. A 22-inch removal takes 90 minutes to 3 hours. The same grind takes 25 minutes.
- Disposal. The root ball from a medium stump can weigh 500 to 1,500 pounds. It has to go on a trailer and to a yard waste facility that charges $40 to $80 per ton.
- Backfill. 1 to 3 cubic yards of topsoil at $40 per yard delivered.
None of this is optional on a removal job. The crew either includes it or does it poorly.
One more option, leaving it
If the stump is at the back of a wooded lot, not in anyone's way, and far from your house, you can leave it. Drill a dozen 1-inch holes in the top, dump in potassium nitrate (sold at most hardware stores as "stump remover"), cover with plastic, and wait 2 to 4 years. The stump rots in place. Cost: $12 for a jar of stump remover.
Downsides are real. Termites. Carpenter ants. Fungus that can spread to other trees through the shared root mat. Tripping hazard. Lawnmower obstacle. I would leave a stump in a back woods far from my house, but I would not leave one within 30 feet of my foundation, 20 feet of a deck, or 15 feet of another living tree.
The mother-in-law math
Back to the maple at her driveway. It was a 20-inch stump, 3 feet from the concrete edge, open access, and she wanted to put decorative landscape rock over the spot. Grind was the right answer. The $3,200 quote was for full removal she did not need, probably because the first crew knew she would not know to ask. She paid $480 for a deep grind (12-inch), covered the spot with landscape fabric and river rock, and nobody has ever looked at that corner of her driveway since.
Ask the question. Grind or removal. Get both quoted, compare, and pick the smaller number unless you are genuinely pouring concrete.
Related reading: the complete stump grinding guide, the full FAQ, and the stump cost calculator if you want to run your own numbers.