Grading & Site Prep
Yard Grading for Sod: When You Need It & What It Costs
Light grading on top of a sod install typically runs $0.50–$1.50 per square foot as a labor add-on. Major grading (changing the actual slope, building a swale, redirecting drainage, importing yards of fill) is quoted by the project and ranges from $1,000 for a small low-spot fix to $10,000+ for a full re-grade. Not every lawn needs grading — a routine sod replacement on an already-level, well-drained lawn just needs a smooth prep. If water pools or runs toward the house, grading happens before sod goes down. See what graded-then-sodded looks like in our 6,000 sq ft Westbrook, CT install.
When You Need Grading
- Water pools or runs toward the house after a heavy rain.
- Visible low spots that already kill grass and would rot fresh sod from underneath.
- New construction or a major rehab where the lot was disturbed.
- Foundation work, drainage work, or septic install left the lawn uneven.
- The lawn slopes the wrong way (toward the house or toward a hardscape that doesn't drain).
When You Don't Need Grading
- Routine sod replacement on an already-level lawn that drains properly.
- A patch repair under 1,000 sq ft on a lawn that performs well elsewhere.
- A lawn that is already on grade but needs a soil amendment (compost/topsoil) — that's prep, not grading.
How To Check Your Own Slope
- Walk the lawn the morning after heavy rain. Spots that hold water more than a few hours are problem areas.
- Stand at the high point and look toward the house. The grade should visibly slope away at roughly 1–2% — about 1 inch of drop per 4 feet of horizontal distance.
- Set a 4-foot level on the ground with the bubble end at the house. If the far end is more than 1 inch above the ground, your slope is fine. If it touches the ground or is below, water flows toward the foundation.
- Look at the foundation siding/brick for water staining. Splash marks above the trim line mean water hits and pools instead of running off.
Grading Add-On Pricing (Rough)
| Scope | Typical Cost |
|---|---|
| Light correction (fill low spots, smooth surface, blend 1–2" new topsoil) | $0.50–$1.50/sq ft |
| Single low-spot fix (under 200 sq ft, 1–2 yards of fill) | $300–$800 |
| Slope correction on a typical residential lot (1,000–3,000 sq ft) | $1,500–$5,000 |
| Full lot re-grade with drainage work (1/4 acre+) | $5,000–$15,000+ |
Related
From The Field
Grading & Prep In The Field
Need grading + sod as one package?
Call with site details — we'll quote both together.
Call (203) 806-4086