Lowcountry South Carolina

Septic Done
Right.

Professional septic installation, drain field systems, and backflow testing โ€” trusted across Beaufort and Jasper Counties.

SC DHEC Tier 2 Certified Backflow Prevention Certified Licensed & Insured

Our Services

Residential septic specialists serving the Lowcountry. We handle everything from full system installs to drain field repairs โ€” permitted, inspected, and done right.

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Septic Installation

Full septic system installation for new homes and replacement systems. We handle DHEC permit coordination, excavation, tank placement, and final inspection โ€” start to finish.

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Drain Field Installation

New drain field layout and installation using chamber and gravel systems. Properly sized and designed per DHEC permit specs for Lowcountry soil conditions.

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Septic & Drain Field Repairs

Pump replacements, distribution box repairs, drain field restoration, and system evaluations. Fast response for homeowners with failing or backed-up systems.

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Backflow Testing

Certified backflow prevention assembly testing and annual certification. We file all required documentation directly with local water authorities โ€” no hassle for you.

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DHEC Permit Coordination

We work directly with SC DHEC on your behalf. Got your permit already? Upload it with your quote request and we'll review it before we call you.

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System Inspections

Pre-purchase septic inspections, system evaluations for failing systems, and condition assessments. Honest findings with no pressure โ€” just the facts on what you're working with.

Request a
Free Quote

Fill out the form and we'll get back to you within 1 business day. Have a DHEC permit? Upload it and we'll review it before we call.

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Call or Text (912) 921-9163
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Email armando@mandoconst.com
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Service Area Beaufort County ยท Jasper County ยท Ridgeland
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Certifications SC DHEC Tier 2 Septic Installer ยท Backflow Prevention Certified
Tell Us About Your Project
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Drop DHEC permit here or click to browse
PDF, JPG, or PNG ยท Speeds up your quote
โœ“   Request received โ€” we'll be in touch within 1 business day.

Your info is kept private and only used to contact you about your project.

Why Mando Construction

The Difference

01
DHEC Tier 2 Certified

SC DHEC licensed septic installer. We pull permits, coordinate inspections, and get your system approved โ€” no shortcuts, no headaches.

02
Backflow Certified

Annual backflow prevention testing with full documentation filed to the water authority. Required by law โ€” we make it simple.

03
Lowcountry Roots

We live and work in the same areas we serve. We know Lowcountry soil, DHEC requirements, and the lay of the land from Bluffton to Ridgeland.

04
Owner-Operated

You talk directly to the person doing the work. No project managers, no runaround โ€” just straight answers and a job done right.

05
Honest Quotes

We tell you what it costs before we dig. If something changes in the field, we call you first โ€” no surprise invoices.

06
DHEC Permit Ready

Already have your DHEC permit? Upload it with your quote request and we'll review it before we even call โ€” faster quotes, faster starts.