Sealcoating · Los Angeles basin
Published California rates run $0.14 to $0.35 per square foot for two coats, plus $0.75 to $2.75 per foot of crack fill. The area comes off the aerial. The condition comes from your photos. The quote comes in writing.
Retail center, Azusa CA (sample) · 24,900 sq ft paved
Two coats of sealcoat, then fresh stripes. Drawn sample.
Asphalt is oil, sand and stone. Sun pulls the oil out of the surface, and the lot goes from black to gray and starts to shed fines. Water gets into small cracks, reaches the base, and the next thing is a soft spot and then a pothole. Sealcoat is a thin emulsion layer that slows the oxidation, sheds the water, and stands up to fuel and oil drips better than bare asphalt does.
It is maintenance, not repair. A lot that is already alligatored or has potholes needs those areas cut out and patched before anything is sealed over them, and a sealcoat quote that skips that step is not doing you a favor.
A commercial lot is sealed in sections so tenants keep their parking. Half one night, half the next, or thirds on a bigger lot. The section plan is drawn on the aerial and written into the quote with the dates, so a property manager can tell tenants where to park before the crew arrives.
The South Coast Air Quality Management District limits the solvent content of coatings under Rule 1113. Asphalt-emulsion sealers comply, and the product going on your lot is named on the quote so you can check it.
Published California ranges by area
| 10,000 sq ft | $1,700 to $3,500 |
| 25,000 sq ft | $4,250 to $8,750 |
| 50,000 sq ft and up | $8,500 to $17,500 |
Two coats, from a California paving contractor's published price page. Crack fill and striping are extra lines.
What the photos need to show
Four phone photos are enough. The area itself is measured off the aerial.
Try your lot
A commercial lot runs about 300 square feet per stall including its share of the drive aisle. Drag the count with sealcoat on. It is a range from published rates, not your quote.
Published range
$4,490 to $12,100
Published Los Angeles ranges, not a quote. Accessible minimum per CBC 11B-208.2.
It is a thin protective layer over the asphalt. It slows the oxidation that turns a lot gray and brittle, sheds water so it does not get into the base through small cracks, and resists oil and fuel drips. It does not fix a lot that is already failing: alligatored areas and potholes need repair first.
Every two to four years for a commercial lot in Los Angeles, depending on traffic and sun. A lot that has never been sealed and is still sound is the best candidate. Crack filling comes first, sealcoat second, striping last.
Sections of it, for the cure. Sealcoat is scheduled in halves or thirds around tenant traffic, and striping follows once it has cured, so a lot is never fully closed. The schedule is written into the quote.
The South Coast air district limits the solvent content of coatings under Rule 1113. Asphalt-emulsion sealers comply. Which product goes on your lot is named on the quote.
Square footage, yes, at a known scale. Condition, no. Cracks, oil spots and failed areas show in photos, so a sealcoat quote asks for a few and carries a small contingency for crack footage that only shows up close.
Price my lot
Send the address and a couple of photos of the worst spots. We measure the paved area off the aerial and send an itemized quote with the schedule.