Excavation & Grading in Mariposa County, CA

Local Paving Contractor Expertise

Serving Mariposa County's rural infrastructure needs since 2005, we specialize in asphalt paving and excavation. Our paving contractor and excavating contractor services support everything from mountain roads near Yosemite's gateway to private driveways in Hornitos and Coulterville. With 560+ miles of county roads demanding reliable care and seasonal snow-melt challenges common here, expert paving and grading are essential.

How We Work

From site assessment through final inspection—clear communication at every stage.

1

Site Assessment

We visit your location in Mariposa County to evaluate soil conditions, drainage patterns, and existing pavement state. High-altitude sites near elevation 4,000+ ft require unique prep.

2

Planning & Permits

County permits and right-of-way approvals are handled. Mariposa County has specific road standards we follow for county-maintained routes and private properties.

3

Grading & Prep

Our excavation crews remove old pavement, grade subbase, and ensure proper drainage. Sierra terrain demands careful slope management.

4

Hot-Mix Paving

Hot-mix asphalt is applied in layers and compacted. We adapt to mountain weather windows for best cure times.

5

Striping & Seals

Final markings, line painting, and optional sealcoat for long-term durability in Mariposa's freeze-thaw cycle.

6

Final Inspection

Quality walk-through confirms surface smoothness, proper grading, and compliance. You'll receive completion photos and maintenance tips.

You'll always know what's happening next—and when.

Our Services

Asphalt and concrete solutions built for Mariposa County's demanding terrain.

Asphalt Driveway Installation

From Hornitos to Yosemite-area neighborhoods, we build driveways that handle mountain freeze-thaw cycles. Proper base and slope prevent water pooling.

  • 3–12 inch depth based on usage
  • Permitting for county road approach
  • Drainage grading for alpine slopes
Asphalt driveway installation

New asphalt driveway near Mariposa town center with proper slope for mountain drainage.

Asphalt Parking Lot Paving

Businesses in Coulterville, Mariposa, and mining-heritage towns rely on our lot paving. We design for rural vehicle loads and seasonal runoff patterns.

  • Line striping included
  • ADA-compliant spaces
  • Pothole repair within project scope
Parking lot paving

Parking lot resurfaced in Coulterville with fresh line markings and proper crown for drainage.

Asphalt Repair & Patching

Winter snow and spring melt create potholes. We patch and seal quickly to prevent further damage. Same-day or next-day service available across the county.

  • Cold-patch for emergency repairs
  • Hot-patch for permanent fixes
  • Preventive pothole surveys
Pothole repair

Spring pothole repaired along County Road 5 near Buck Meadows.

Asphalt Resurfacing

Aging pavement loses grip and develops cracks. Resurfacing with fresh asphalt layers extends road life 10–15 years. Ideal for high-traffic county roads.

  • Milling of old surface optional
  • Recycled tire-rubber options
  • Minimal traffic disruption
Road resurfacing

Highway 49 section resurfaced with modern chip-seal bonded with asphalt-rubber binder.

Asphalt Sealcoating

UV and moisture damage asphalt in Mariposa's sunny, wet season. Annual or bi-annual sealcoat protects and restores appearance. Schedule before winter.

  • Pavement preserves color and grip
  • Extends life 3–5 years per application
  • Fall application before freeze-thaw
Sealcoating

Fresh sealcoat applied to parking area in Midpines, protecting asphalt year-round.

Why Local Expertise Matters

Mountain infrastructure demands contractors who understand regional challenges.

Freeze-Thaw Cycles: Winter snow and spring melt are hard on asphalt. We design drainage and base layers to handle Mariposa County's seasonal extremes. Sierra Nevada elevation changes mean moisture management is critical.

Steep Terrain & Slopes: County roads along Merced River Canyon and routes near Yosemite require careful grading. Improper drainage causes undermining and potholes. We know how to set proper crown and cross-slope.

560+ miles of county roads maintain our county. When winter ice hits or spring rains arrive, reliable paving means safe passage to Yosemite and local communities.

Mining Heritage & Historic Roads: Towns like Hornitos, Coulterville, and Midpines sit atop California's Mother Lode. Historic districts need pavement that respects community character. We work with county standards and local planning.

Road Access to Yosemite: Highway 140 (Charles Street) and Highway 49 see heavy seasonal tourism traffic. We've paved sections serving gate entrances and lodging areas. High-volume use demands durable asphalt.

Serving Mariposa County

Coverage across all 17 census-designated communities and unincorporated areas.

We serve Mariposa (county seat), Hornitos (historic mining town), Coulterville (Mother Lode frontier village), Midpines, Fish Camp (Yosemite south entrance), Wawona, Buck Meadows, and surrounding areas. No matter where your property is in Mariposa County, we can reach you.

Travel Time: Service calls typically require 30–60 minutes depending on county location. We schedule jobs efficiently to minimize wait.

Seasonal Availability: Summer (June–Sept) is peak paving season. Fall (Oct–Nov) before winter is ideal for sealcoat. Winter snow and spring melt are emergency repair periods.

Ready to discuss your paving or excavation project in Mariposa County?

Frequently Asked Questions

Do you handle Mariposa County permit paperwork?

Yes. We manage applications for county road approach permits and any right-of-way approvals. County Public Works standards are part of our regular workflow.

How do mountain winters affect asphalt life?

Freeze-thaw cycles crack and pit asphalt. Proper base compaction, drainage, and bi-annual sealcoat can extend life to 15–20 years. Without maintenance, 8–10 years is typical.

What's the best time to sealcoat in Mariposa?

Late fall (Oct–Nov), before winter snow. This protects asphalt through the freeze-thaw season. Spring and early summer also work if weather is dry.

Can you repave a steep Yosemite-area driveway?

Yes. Steep slopes need careful grading, proper crown for runoff, and sometimes retention walls. We've paved driveways on 15%+ grades throughout Fish Camp and surrounding areas.

How fast can you repair a pothole emergency?

Cold-patch is available same-day. Hot-patch for a permanent fix is scheduled within 2–3 days depending on equipment availability and weather.

DISCOVER WHAT OUR CUSTOMERS HAVE TO SAY ABOUT US

proudly serving these areas

  • Mariposa County, CA

  • Merced County, CA

  • San Joaquin County, CA

  • Stanislaus County, CA

  • Tuolumne County, CA

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