JAR Construction Services, Inc. delivers asphalt repair services in Modesto and asphalt sealcoating services in Modesto for orchard properties, ag facilities, retail lots, and residential driveways across Stanislaus County.

JAR Construction Services, Inc. delivers full-service asphalt repair services in Modesto and certified asphalt sealcoating services in Modesto for homeowners, HOAs, property managers, and commercial owners. We handle every phase — inspection, patching, crack sealing, and two-coat sealcoat application — with our own crews and our own equipment.
Modesto's hot dry summers followed by wet valley winters are hard on unsealed pavement — Modesto asphalt crack repair, followed by a fresh sealcoat, blocks water from reaching the base course and doubles pavement life. Every Modesto asphalt sealcoating and repair project ships with a written 1-year workmanship warranty.

Commercial-grade coal tar and asphalt emulsion sealcoating for driveways, parking lots, and commercial pavement across Modesto.

Full asphalt repair in Modesto — pothole patching, section removal-and-replace, and failed base rebuilds handled in-house.

Hot rubberized crack sealing that stops water intrusion, roots, and freeze-thaw damage in Modesto pavement.

Bundled sealcoat + repair packages: we patch, crack seal, and coat in one mobilization to save Modesto owners time and cost.
Fully licensed asphalt contractor operating throughout Modesto.
Decades of sealcoating and asphalt repair experience across California.
No subs — our own crews prep, repair, and seal every job.
Honest written estimates for every Modesto property.
Workmanship warranty on every repair and sealcoat.
Most jobs complete in 1–3 days with minimal disruption.
Extends the life of Modesto asphalt by 3–5 years per sealcoat cycle
Restores a rich black finish to Modesto driveways and parking lots
Seals hairline cracks before they turn into potholes
Blocks UV oxidation, gasoline, and oil damage
Improves curb appeal for retail and residential property
Backed by a written 1-year workmanship warranty
Walk the Modesto property, measure square footage, and mark every crack, pothole, and failure point.
Line-item quote for repairs, crack sealing, and sealcoat — no surprise add-ons.
Grind and patch potholes, remove alligatored sections, and rebuild the base where needed.
Hot rubberized crack sealant applied to every crack ≥ ¼", cooled and locked.
Blow clean, degrease oil spots, prime, and mask edges before coating.
Two-coat squeegee + spray application of commercial sealer for a uniform finish.
Cure 24–48 hours, then re-stripe and reopen the Modesto property.




Asphalt sealcoating services in Modesto typically run $0.18–$0.32 per square foot for two-coat application. Modesto driveways commonly finish at $300–$700. Free estimates for every property.
Yes. Combining asphalt sealcoating and repair Modesto projects into one mobilization saves owners time and money — usually 10–15% less than booking them separately.
Late spring through early fall is best — Modesto asphalt crack repair needs dry pavement at 55°F+ for hot rubberized sealant to bond properly.
Modesto's summer UV and winter rain typically give a two-coat sealer 3–5 years of protection. Shaded driveways and low-traffic lots last longer.
Yes — JAR is fully licensed, bonded, and insured for asphalt repair and sealcoating throughout Modesto and Stanislaus County.
Ready to protect your Modesto asphalt? Call JAR Construction for a free on-site inspection and detailed written estimate for asphalt sealcoating and repair — no pressure, no ballpark numbers.