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Square footage sets the baseline
Area is the starting point because it drives both material and labor. Larger fields usually price slightly better per square foot. The setup and cleanup are the same whether the driveway is 400 or 900 square feet.
Condition is the real variable
Two surfaces of identical size can differ substantially once you factor in what has to happen before the sealer comes out:
- Heavy algae, mildew or years of built-up grime add cleaning time
- Rust, oil and tannin stains each need their own treatment and dwell time
- Empty joints need considerably more polymeric sand
- Weeds and moss have to be pulled and killed, not just washed off
- A previous sealer that failed may need stripping first
Joint sand is a real line item
Polymeric sand is not cheap, and a surface that has lost its sand takes a lot of it. Deep or wide joints, older clay brick especially, can take several times what a tight modern paver field needs. This is one of the larger swing factors on an older driveway.
Sealer type and finish
Wet-look and matte finishes are priced similarly. Where cost moves is with the product class: a solvent-based sealer for a heavily trafficked driveway costs more than a standard water-based product for a low-traffic patio, and travertine or natural stone needs its own sealer again.
Access and site conditions
Water access, how far the hose has to run, whether furniture and planters need moving, gate widths for equipment, and whether the work has to happen outside business hours all factor in. Most residential jobs are straightforward; commercial overnight work is not.
What moves the number, at a glance
| Factor | Effect on price | Why |
|---|---|---|
| Square footage | Sets the baseline | Material and labor both scale with area |
| Heavy rust, oil or tannin staining | Raises | Each needs its own product and dwell time |
| Empty or deep joints | Raises | Polymeric sand is a real material cost and deep joints take a lot of it |
| A previous sealer that failed | Raises sharply | Has to be stripped before anything new goes down |
| Pavers that have moved | Raises sharply | Becomes a restoration job, not a sealing job |
| Larger continuous area | Lowers per square foot | Setup and cleanup are close to fixed |
| Easy water and gate access | Lowers | Less hauling, less furniture moving |
| Overnight or commercial scheduling | Raises | Out-of-hours crew time |
What we do rather than quote blind
We walk the job, measure the field and tell you what the surface actually needs before giving a number. Sometimes that means the honest answer is that a clean is enough this year and sealing can wait until next.
Still not sure? Send us the surface, the city and a rough size. We will tell you whether cleaning, sealing, re-sanding or restoration is the right next step, including when the answer is that you do not need us yet.
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