Business Details
Emergency
services
Professional Excavation & Septic Services in Connecticut
Sioholm Excavation has served Connecticut residents and businesses for over three decades with professional excavation, drainage, and septic system solutions. Our locally owned and operated company prioritizes quality workmanship, timely project completion, and transparent communication throughout every service engagement. Specializing in septic tank installation and repair, foundation drainage, leaching systems, and comprehensive excavation projects, we maintain full licensing, bonding, and insurance for client protection. Our experienced team delivers free estimates and collaborates with homeowners, contractors, and engineers to address both residential and commercial needs. With hundreds of successfully completed projects, we emphasize honest service, dependable execution, and personalized attention to detail.Our commitment to community extends through prompt emergency response capabilities and a track record of resolving critical water and septic system failures efficiently. By maintaining modern equipment and adhering to industry best practices, we ensure durable solutions for property drainage, sewer main repairs, and new construction site preparations. Client satisfaction remains our priority through clear project explanations, competitive pricing, and post-service follow-up. This combination of technical expertise, local knowledge, and customer-centric values has established our reputation as Connecticut's trusted excavation partner for both routine maintenance and urgent repairs.
Services
Septic Tank Installation
Drainage Repair
Excavation Services
Leaching Field Installation
Sewer Main Replacement
Foundation Drainage
Water Main Repair
Grading Services
Septic System Evaluation
Emergency Excavation
Highlights and features
- We have over 30 years of excavation experience in Connecticut
- Our team provides free estimates for all projects
- Licensed, bonded, and insured professionals handle complex systems
- We offer emergency septic system repair services
- Experienced working with contractors and engineers on new construction
What people say
Prompt service
Professional team
Reliable solutions
Fair pricing
Emergency availability
Services
Septic System Installation
Professional septic tank installation for new construction and system replacement projects. Our licensed technicians ensure proper placement, code compliance, and integration with drainage fields. We work with homeowners and contractors to deliver durable wastewater management solutions for residential and commercial properties across Connecticut.
Drainage Repair
Comprehensive drainage solutions for subsurface water issues and foundation waterproofing. We repair failing systems, install new drainage infrastructure, and prevent basement flooding through proper grading and piping techniques. Our team addresses both residential and commercial drainage challenges with lasting results.
Excavation Services
Full-service excavation for construction projects, including foundation work, utility trenching, and land clearing. We handle projects of all sizes with modern equipment and experienced operators, ensuring precise grading and preparation for residential developments and commercial sites.
Leaching Field Installation
Design and installation of compliant leaching systems for septic tank effluent disposal. We evaluate soil conditions, determine optimal placement, and construct efficient drainage fields that meet environmental regulations while maintaining property usability and safety.
Sewer Main Replacement
Complete sewer line replacement and repair for damaged or aging infrastructure. Our services include connection from curb valve to buildings, system upgrades, and conversion from septic to public sewer systems with minimal property disruption.
People
Bill Sioholm
Owner
Bill Sioholm founded Sioholm Excavation with over 30 years of industry experience. He oversees project execution while maintaining direct client communication. His expertise in septic systems and drainage solutions ensures quality outcomes for residential and commercial clients across Connecticut.
Questions
What excavation services do you offer?
We provide septic tank installation, drainage repair, foundation waterproofing, leaching field services, sewer main replacement, and emergency excavation across Connecticut.
Do you offer free estimates?
Yes, we provide free project estimates for all residential and commercial excavation services in Connecticut.
Are you available for emergency repairs?
We offer prompt emergency response for critical septic system failures and water management issues.
What areas do you service?
We operate throughout Connecticut with primary service in Wallingford and surrounding towns.
How experienced is your team?
Our technicians have combined 30+ years of excavation experience handling both residential and commercial projects.
