How much does land grading cost in Missouri?
Land grading in Missouri typically costs $800 to $2,500 to correct drainage in an average yard, and $1,500 to $4,000 to rough grade a 5,000-square-foot lot. A one-acre residential site prep with rough and fine grading runs $4,000 to $12,000, and hauling material off the site costs extra.
Grading cost by job
| Job | Typical range | Notes |
|---|---|---|
| Lawn drainage fix (average yard) | $800 to $2,500 | Skid steer, half a day to a day |
| Rough grade, 5,000 sq ft lot | $1,500 to $4,000 | No significant material removal |
| Lot prep with material removal | $3,000 to $8,000 | Haul-off extra |
| 1-acre residential site prep | $4,000 to $12,000 | Includes rough and fine grade |
| Final grade for a concrete pour | $500 to $2,000 | Precision pass after rough work |
| Bring in fill and grade (low lot) | $2,500 to $10,000+ | Depends on how much fill |
What makes grading cost more?
- Size. Bigger sites need bigger machines, more fuel, and more operator time. A skid steer suits residential lots under half an acre with modest slope; larger or steeper sites need a dozer or motor grader, at a higher hourly rate.
- Slope. A lot with two feet of rise across it is a different job from one with eight. The more soil moves up or down, the more it costs, and extra soil may have to be hauled off.
- Clay. Jefferson County sits on heavy clay. Wet clay smears instead of cutting and will not compact, so good contractors wait for it to dry.
- Rock. Buried limestone or chert is common in Jefferson County and needs a breaker attachment or blasting, which adds significant cost. A site visit spots surface signs, not always what is a foot down.
- Soil in or out. If the cut soil fills the low spots, material costs little. Extra soil means haul-off; a low lot means buying fill, priced by the cubic yard plus delivery, on top of grading labor. J1S quotes both together.
- Clearing. Stumps, brush, old concrete, and buried rubble add to the job. They should be in the quote or listed as allowances.
- Precision. A rough grade for lawn drainage costs less than a laser-guided finish grade for a concrete pad, because tighter tolerances take more passes.
Rough, fine, and finish grading
Rough grading moves the bulk of the soil, such as taking four feet off one corner to fill a low end. It is dozer and excavator work. Fine grading sets drainage and slopes to within a few tenths of a foot, usually with a skid steer or finish blade. Finish grading readies the surface for concrete, asphalt, seed, or sod, usually within an inch of the design height. Most residential jobs need fine and finish grading; new construction site work needs all three.
When is the best time to grade?
Spring in Jefferson County is wet; April and May bring some of the heaviest rain of the year, and clay stays soaked. Late fall, September through November before the freeze, is usually the best window for large jobs. Drainage fixes and small jobs can be done in any dry stretch.
Are there buried lines in the way?
Missouri law counts grading as excavation, so call 811 first. Jefferson County has older water, gas, and cable lines put in decades ago without exact records. Where grading cuts into a utility easement, hydrovac daylighting to expose the lines comes first. A cut line on day one stops the job for days.
What should a grading quote include?
The machines, the estimated hours or days, whether fuel is included, any fill (cubic yards, type, and delivery), haul-off cost per load, and whether it is rough grade only or rough plus finish. If a quote just says "grading, $3,500," ask what that covers. For anything beyond a small lawn repair, expect a site visit, and bring a survey or drawings if you have them.
See grading versus excavation for how the two are scoped and priced.
Common questions
Does grading cost include topsoil?
Grading labor and topsoil delivery are typically quoted separately. J1S can bundle them, but the line items are broken out so you see what you're paying for each. Topsoil import is priced by the cubic yard and varies with delivery distance and material quality.
How long does lot grading take?
Small drainage corrections run half a day. Average residential lot prep runs one to two days. Larger site work, an acre or more with significant elevation change, runs three to five days or more. The timeline drives the cost more than any other single factor.
Do I need to be home for it?
No. Clear access to the work area is what matters. J1S confirms the scope, access requirements, and any site-specific constraints before the crew arrives. If changes come up during the job, we contact you directly before proceeding.
Is grading the same as leveling?
No. Leveling usually means making something flat, such as a pad or a lawn area. Grading builds in slope on purpose, away from the house and toward drainage. Flat ground next to a foundation is a water problem waiting to happen.
Sources
- Missouri Revised Statutes, Section 319.015: the state underground facility law counts grading as excavation, so grading near buried lines means knowing where they are first.