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36 Years
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Emergency
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Your Trusted Septic & Excavation Experts in Modesto, CA
Since 1990, A1 Septic Service has been a trusted provider of comprehensive septic system solutions and excavation services across Stanislaus, San Joaquin, and Merced Counties. Our team of seasoned professionals brings decades of hands-on experience to every project, ensuring precise septic tank installations, repairs, and excavations that meet the highest industry standards. As a Class A General Engineering Contractor with an A+ rating from the Better Business Bureau, we prioritize code compliance, customer satisfaction, and transparent communication. Our vertically integrated operations allow us to handle projects of all sizes, from residential septic systems to commercial excavations, while maintaining rigorous quality control.

With a fleet of well-maintained equipment and a commitment to ongoing staff training, we deliver efficient, cost-effective solutions tailored to each client's unique needs. Our expertise extends to septic system design, utility trenching, and portable restroom rentals, supported by 24/7 emergency response capabilities. Through three decades of service, we've built lasting relationships with contractors, property managers, and homeowners by consistently exceeding expectations through reliability, technical proficiency, and ethical business practices.
Services
Septic Tank Installation Septic Tank Repair Septic Tank Pumping Excavating Services Portable Restroom Rentals Utility Trenching Leach Field Installation Septic System Inspections Grading Services Demolition Services
Details
  • Year established: 1990
Highlights and features
  • We have over 30 years of experience in septic system services.
  • Our team consists of certified experts with extensive experience.
  • We offer on-site consultations and competitive pricing.
  • We are a Class A General Engineering Contractor.
  • We provide thorough septic tank pumping and cleaning services.
Associations and certifications
  • California State License Board
  • Better Business Bureau
What people say
Prompt service Very professional Excellent communication Great value Highly recommended
Services
Septic Tank Installation
Our comprehensive septic tank installation services cover system design, permit acquisition, soil analysis, and code-compliant installation. We specialize in fiberglass, plastic, and concrete tanks with proper leach field configuration. Our team ensures optimal placement considering soil conditions, groundwater depth, and property layout. We install risers and cleanout covers for future maintenance accessibility while adhering to all local regulations.
Excavating Services
We provide full-scale excavation services including site preparation, foundation trenching, and utility installation. Our state-of-the-art equipment handles projects from small residential lots to large commercial developments. Services include dirt compaction, pond digging, and debris removal with strict adherence to OSHA safety standards and local building codes.
Septic Tank Pumping
Our professional septic tank pumping service includes thorough cleaning of both tank compartments using high-efficiency equipment. Technicians inspect for cracks, leaks, and system failures during service. We offer scheduled maintenance plans and provide detailed system assessments to prevent future issues while maintaining environmental compliance.
Portable Restroom Rentals
Ace Luxury Rentals offers premium portable restroom solutions for events, construction sites, and emergency situations. Our fleet includes ADA-compliant units with sanitization stations. We serve weddings, agricultural operations, and disaster relief efforts with flexible short- and long-term rental options across the Central Valley.
Septic System Repair
We diagnose and repair all septic system components including tank partitions, inlet/outlet tees, and leach lines. Our services address root intrusion, system backups, and component replacements. Technicians use manual and camera locating to identify issues and provide cost-effective solutions while maintaining regulatory compliance.
People
Daniel Antonov
Owner
With extensive construction experience since 2016 and ownership of A-1 Septic since 2023, Daniel provides expert oversight for all septic and excavation projects. He maintains hands-on involvement in complex installations and customer service.
Phillip
Technician
A dedicated technician with years of field experience, Phillip educates customers on system maintenance while delivering thorough service. His expertise in septic diagnostics and customer communication makes him a valuable team member.
Max
Equipment Operator
As a founding team member, Max operates heavy machinery with precision. His mechanical expertise ensures equipment reliability and efficient execution of excavation projects across diverse job sites.
Questions
How often should my septic tank be pumped?
The EPA recommends septic tank pumping every 3-5 years to maintain system efficiency and prevent failures.
What indicates a full septic tank?
Slow drains, backups, and foul odors typically signal a full septic tank requiring immediate pumping.
What can I safely flush down the toilet?
Only human waste and toilet paper should be flushed. Avoid wipes, chemicals, and non-biodegradable materials.
How do I know if leach lines are failing?
Saturated ground above leach lines, persistent odors, or frequent backups indicate potential leach line failure.
How can I maintain a healthy septic system?
Regular pumping, monthly enzyme treatments, and proper waste disposal help maintain optimal septic system performance.
How do I schedule septic service?
Call our office directly or use our online 'Request Service' form to schedule appointments or obtain quotes.