Tight-access stumps, why a 32-inch gate doubles the price
A Vermeer SC30TX, which is the most common stump grinder a local crew will show up in, measures 34 inches wide at the track frame. A Rayco RG37 is 36 inches. A Carlton SP7015 is 35. The industry's mid-range workhorses are all 34 to 36 inches across.
Your residential side gate, if it was built to any common standard, is 32 inches wide. Some are 30. A few older homes have gates at 28 inches.
Those two facts, the machine width and the gate width, are why tight-access stumps cost more. Sometimes a lot more.
What the crew does when the gate will not open
Option one, remove fence sections. Some homeowners are fine with this. The crew takes down two posts worth of fence (maybe 8 feet), drives the grinder through, does the work, and puts the fence back. This adds 45 minutes to 2 hours of labor and usually runs $100 to $250 on the quote. If the fence is wood and easy to unscrew, bearable. If it is chain link in concrete footers, more expensive.
Option two, smaller machine. Crews that own a mini-grinder like a Toro STX-26 (which is 26 inches wide) or a Carlton SP3012 (22 inches) will send that instead. The mini-grinders have smaller engines (13 to 25 hp), smaller cutter wheels, and grind significantly slower. What a 30 hp machine does in 20 minutes, a 13 hp machine does in 60 to 90. Crew bills for the extra time.
Option three, rent a mini. If a crew does not own a mini-grinder and gate removal is not practical, they rent one from Sunbelt or United Rentals for a half-day ($140 to $180), trailer it to your job, and eat the rental cost. Always shows up on your quote.
Option four, walk away. Some crews will not quote backyard-only jobs through narrow gates. Not worth their time.
The slope problem
Tracked grinders handle slope up to about 15 degrees before they start sliding or tipping. Wheeled grinders are worse, maybe 10 degrees. If your yard has a 20-degree slope down to the stump (common on ravine lots, some parts of the Pacific Northwest, hill-country Texas), the operator cannot safely operate the machine on the slope. The crew has to either winch the grinder in place from the top of the slope, or cut a temporary level pad by the stump, or decline the job.
Slope surcharge is usually 15 to 25 percent. Steep-slope surcharge (over 20 degrees) can be 50 percent, if the crew will do it at all.
The real cost of backyard-only access
Let me walk through a concrete example. A client in suburban Cincinnati had two stumps in her backyard, a 20-inch silver maple and a 14-inch birch. Her side gate was 30 inches wide. Her driveway was tight but not impossible. She got three quotes:
Quote one. National chain with a minimum mid-size crew. Quoted $450 for the two stumps with a $200 "access premium" for narrow gate. Total $650. They planned to pull fence.
Quote two. Local crew with a Toro STX-26 mini-grinder that fit through her 30-inch gate. Quoted $400 flat, no access premium mentioned but priced on the higher end for the smaller machine's longer grind time. No fence work.
Quote three. Smaller local crew, rental machine. Quoted $300 but informed her she would need to remove the gate herself and reinstall.
She hired quote two. Onsite 2.5 hours for what should have been an hour job, but she lost zero fence time and everybody was done by lunch.
Backyards-only, the gate you should have
If you are building a new fence or replacing one, and you expect to do stump grinding, landscape renovation, or any other heavy work in the back yard in the next 15 years, install a 48-inch double gate on the side of the property the grinder can reach. It is maybe $200 extra in fence materials over a single 36-inch gate. The savings on future landscape and tree work pay for it in one job.
A 48-inch opening fits all the common mid-size grinders plus trailers, wheelbarrows, ladders, compact skid steers, Bobcat E10 mini-excavators, and the 4-foot wheelbarrows landscapers actually use.
The overhead wires problem
Stump grinders do not reach overhead wires. But trailers, dump trucks, and the skid steers that do full removal absolutely do. If your stump is under power lines that come in at 14 feet or lower, grinding is usually fine, but full removal gets expensive because the crew cannot swing a skid steer bucket freely. Same issue with low tree canopies, pergolas, and carports.
If you are scheduling a grind and the stump is in a constrained area, mention the overhead situation on the phone when you call for a quote. It saves a truck roll that ends in "we cannot do this today."
The one-car-garage problem
Specific to older homes, especially pre-war Chicago bungalows and 1950s ranches. The driveway goes alongside the house to a single-car garage in back. The driveway is 9 to 10 feet wide. A mid-size grinder is 34 inches wide plus 18 inches of chute and deflector swing, so about 6 feet cleared. You have the width. But the grinder weighs 1,200 to 1,500 pounds and old concrete driveways fracture. I have watched a Vermeer crack a slab at a 1958 ranch in October 2024 because the driveway was rotted under the surface.
Crews with any track record ask about driveway age and condition before they drive heavy equipment on it. If they do not ask, you ask.
How to spot a real access-fair quote
A legitimate access surcharge:
- Line-items what the access problem is ("backyard only, 32-inch gate, slope approximately 15 degrees")
- Names the specific machine adjustment or fence work required
- Scales with the problem, not with the crew's mood that day
- Shows up on a written estimate
A fake access surcharge:
- Just says "access fee, $200"
- Does not explain what about your access is difficult
- Is a round number with no math behind it
- Gets dropped if you push back
If a crew drops a $200 surcharge the second you question it, the surcharge was not real, and you should wonder what else on the quote is padding.
The calculator's access multiplier
The StumpCostCalc formula uses:
- Open yard: 1.00x (no surcharge)
- Moderate access (one gate, gentle slope): 1.10x
- Tight (under 36-inch gate, backyard-only, steep slope): 1.25x
These match the BobVila access-premium range of 25 to 50 percent (we use the conservative 25 percent for tight) and the Fixr published access table. If a crew quote is higher than the calculator's tight multiplier, either your access is worse than tight (in which case the crew has a real story) or they are padding.
Measure your gate. Photograph the path. Tell the crew up front. Pay the real surcharge without drama. Reject the fake one. That is the whole tight-access playbook.
Related: the full guide, cost per inch explained.