SERVICES

Services We Offer

At Risha Enterprises, we provide specialized excavation, septic, and construction services tailored to property owners, homeowners, and builders across Sunbury, Ohio and surrounding communities. With more than 35 years of hands-on experience, we help clients improve, develop, and maintain their land with precision, safety, and lasting results.


From septic system installations to full site preparation, we manage every project with care and technical know-how. Our goal is to ensure your land is fully prepared for your next build, system, or structure—on time and within budget.


Below is a full overview of our core services. Each category links directly to more detailed service pages, where you can learn exactly what to expect from our work.

Septic system installation in dirt trench; concrete tank with green lids and piping.

Septic System Installation & Repairs

A properly designed septic system is essential for homes without sewer access. We handle complete septic installation—from planning and permitting to excavation, installation, and inspection. We also provide reliable septic repairs, including drain fields, tank replacements, and emergency troubleshooting, ensuring your system operates safely and efficiently.

Large, empty garage with person standing near center; white walls, ceiling, and garage door.

Pole Barn Design & Construction

Risha Enterprises designs and builds durable, custom pole barns for agricultural storage, workshops, and multipurpose use. Built to withstand Ohio weather, we handle everything from design and site prep to framing, roofing, siding, and concrete floors.

Excavated dirt in a field, viewed from heavy machinery cab under a cloudy sky.

Excavation & Site Preparation

We provide professional excavation and site preparation for homeowners and builders. Services include: pad and foundation excavation, grading and leveling, rough site work, soil compaction and backfill, and access grading for construction.

Construction site: white pipe in trench, surrounded by rocks and gravel. Backhoe in background.

Utility Line & Trenching

Risha Enterprises offers expert underground utility trenching for water lines, electrical conduits, septic pipes, and drainage systems. We ensure proper slope, depth, alignment, and compliance with all inspections, including backfilling and reseeding.

Interior of a new pole barn with wood framing, metal siding, gravel floor, and a door.

Foundations & General Construction

We provide excavation services for foundation installation and construction, ensuring proper slopes, depths, and specs. Services include footers and slab excavation, crawlspace and basement digging, grading for concrete, and builder support.

Gravel driveway bordered by wood leads to a small shed on a grassy yard. Trees in background.

Driveways, Drainage & Seasonal

Risha Enterprises provides property access and water management solutions, including gravel driveway installation, drainage correction, culvert maintenance, seasonal grading, and erosion prevention.

Other Services Offered

While our primary service categories are listed above, we also offer additional services based on client needs and project scope. These may be booked individually or bundled with a larger excavation or septic project.

Additional services include:


  • Land clearing and brush removal
  • Dirt work for landscaping and minor reshaping
  • Pond digging for rural properties
  • Earth moving for elevation changes
  • Select demolition and hauling



If your project includes one or more of these tasks, we’ll include them in your quote and ensure the right equipment is scheduled for your job.

Who We Serve

We work with:

  • Homeowners building on raw land
  • Property owners needing septic replacement
  • Contractors needing excavation or utility trenching
  • Farmers and landowners seeking pole barn construction
  • Residents with water drainage or grading concerns



Our clients appreciate that they can work with one contractor for multiple phases of their project, saving time, coordination headaches, and unnecessary costs.

Areas We Serve

Risha Enterprises is located in Sunbury, Ohio and serves a broad area throughout central Ohio. We do not serve Columbus city limits but do cover surrounding rural and suburban communities, including:


  • Galena
  • Johnstown
  • Centerburg
  • Marengo
  • Mount Vernon
  • Delaware
  • Westerville (outside city limits)



If you're unsure whether you're in our coverage area, give us a call or email. We’re happy to confirm.

Frequently Asked Questions

  • Can I combine multiple services in a single project?

    Yes. Most of our clients need two or more services—such as septic installation and site prep, or trenching and driveway grading. We can bundle services and manage your project start to finish.


  • How do you price your services?

    We provide custom quotes based on the size, complexity, and location of each project. We offer free consultations and honest pricing—no hidden fees.


  • Are permits included for septic or trenching work?

    We handle all permit applications, inspections, and approvals required for septic system work and utility trenching. Our team coordinates with your county and health department as needed.

  • How soon can you begin work?

    Timelines depend on the season and the type of work requested. Smaller projects can often begin within 2 to 4 weeks. Larger builds or systems may require permitting time. We’ll provide a realistic schedule during your consultation.


  • Do you offer emergency services?

    Yes. We provide emergency septic repair for clients experiencing urgent backups, sewage odors, or pooling. Call us directly for the fastest response.

Request a Free Estimate

No matter the scope of your project, Risha Enterprises is ready to help you move it forward with reliable service and experienced planning. We’ll walk your land, discuss your goals, and provide a detailed, honest quote with timelines you can count on.