If your septic system is backing up, draining slowly, or giving off odors, Septic Tank Guru is Cobb County’s go-to repair team. We fix tanks, drainfields, leach fields, baffles, pipes, and pumps across Marietta, Smyrna, Acworth, Kennesaw, Powder Springs, and all of Cobb County. Upfront pricing before we start. Same-day emergency service available. You can also see all septic services we offer in Cobb County if you are not sure which service you need.
DPH-certified technicians fully licensed for septic work across Cobb County and the state.
Serving for over 13 years.
No surprises on-site
We fix all types of residential and commercial septic problems across Cobb County and the surrounding Georgia metro. Here is a breakdown of the most common repairs we handle.
Saturated drainfields, failed lateral lines, and biomat buildup are the most common reasons homeowners across East Cobb and Powder Springs call us. The dense clay soils throughout Cobb County drain 30-40% more slowly than sandy or loam soils, which means drainfields in this area saturate faster and fail earlier than homeowners expect. If the inspection reveals a failed field line rather than full saturation, our drainfield repair in Cobb County can restore function without full excavation – often saving $3,000-$7,000 versus a complete replacement.
Inlet and outlet baffles direct flow inside the tank. When they break down – common with plastic baffles after 10-15 years – solids escape into the drainfield and accelerate failure. Baffle replacement is one of the fastest and most affordable repairs we offer in Cobb County. Homeowners in Indian Hills, Chimney Springs, and Windsor Oaks who stay current on routine septic pumping in Cobb County tend to catch baffle deterioration early, before solids reach the field.
Cracked pipes, root intrusion from mature trees common on Cobb County wooded lots, and clogged lines stop the system from flowing. We locate the break, excavate, and repair or replace the damaged section. If you are uncertain whether the blockage is in the pipe or deeper in the system, a full septic inspection can pinpoint the failure before we dig. Trenchless repair options are available in certain situations.
A failed pump in a pressure-dosed or aerobic system brings the whole system down fast. We diagnose pump failures, replace failed units, and repair cracked risers and access lids to keep your system accessible and safe. Many properties along the Sandy Plains and Town Center corridors run pressure-dosed systems due to slope and soil conditions.
Cobb County homeowners often call the drainfield laterals “field lines” – same component, same fix. We repair broken or clogged field lines across all of Cobb County and surrounding counties. If a full field replacement turns out to be the right call, our drainfield installation in Cobb County covers what that process looks like from permit to final inspection.
Catch a septic problem early and a $300 baffle replacement prevents a $5,000 drainfield job. Call us if you notice any of the following in your Marietta, Smyrna, or Acworth home:
If you are seeing two or more of these signs at once, do not wait. A diagnostic septic inspection in Cobb County identifies the root cause before a $400 repair becomes a $6,000 drainfield job.
Ready to book? We schedule fast to keep your timeline on track.

We keep it simple. Here is exactly what happens when you call Septic Tank Guru for a repair in Cobb County
Call 404-694-3060 or book online. We schedule same-day for emergencies and next-available for routine repairs. We confirm your appointment before we arrive.
Our technician inspects the system, identifies the problem, and gives you a written quote before any repair begins. For complex failures, we may recommend starting with a full septic inspection in Cobb County to document the root cause before repair work begins. You approve the price. No work starts without your go-ahead.
Most minor repairs are completed the same day. Drainfield work and structural repairs typically take 1-3 days. We keep you informed throughout the job.
We verify the repair before we leave. All repairs come with a workmanship warranty. We document the work and leave you with a clear record. Cobb County homeowners can request documentation for county health records if required.
Septic emergencies do not wait for business hours. We offer same-day emergency septic tank repair across Cobb County and the surrounding area – including septic tank repair in Smyrna, GA, septic tank repair in Marietta, GA, septic tank repair in Acworth, GA, septic tank repair in Kennesaw, GA, and all nearby Cobb County communities. Every emergency call includes an upfront written quote before we start any repair.
Per Cobb & Douglas Public Health – Environmental Health – Septic Systems guidelines, failed or overflowing septic systems require prompt attention to protect public health and avoid county violations. Emergency repairs still require a permit and inspection, though Cobb County Environmental Health prioritizes urgent sewage situations. For active overflows, our emergency septic pumping service is available 24 hours a day across Cobb County.
Emergency service available in: Acworth, Vinings, Buckhead, Stone Mountain, Lilburn, Douglasville, Fayetteville, Jonesboro, Smyrna, Decatur, Sandy Springs + all Atlanta metro areas.
Septic repair costs depend on the type of problem, the extent of damage, and the components involved. Every job in Cobb County starts with a free on-site assessment and a written quote - you approve the price before we do any work.
| Repair Type | Typical Cost Range | Notes |
|---|---|---|
| Baffle replacement (inlet or outlet) | $200 – $450 | Most common repair – often same day |
| Septic pipe / line repair | $300 – $800 | Depends on depth and access; root intrusion common on wooded lots |
| Pump repair or replacement | $400 – $1,200 | Varies by pump type and model |
| Tank lid / riser repair | $150 – $500 | Fast fix – same day in most cases |
| Tank structural repair | $500 – $2,000 | Clay soil movement in Cobb County can widen cracks over time |
| Drainfield / leach field repair | $1,500 – $5,000 | Partial repair vs. full section replacement – see our drainfield repair page for full scope details |
| Full system replacement | $8,000 – $20,000+ | New tank + drainfield; permit + installation – see our new septic installation page for what this includes |
Our pricing promise: We give you an exact written quote after the on-site inspection. You approve it before we start. No hidden fees, no surprise charges after the job. If scope changes during repair, we tell you before we proceed.

Repair is almost always the lower-cost path when it is available. Here is how we think about the decision – and we will give you the same honest assessment on-site. Many homes in Cobb County’s older subdivisions – particularly in West Cobb and along the Powder Springs Road corridor – were built in the 1980s and 1990s, putting systems at 30-40 years old and approaching the replacement conversation.
We will not push you toward replacement if repair is the right call – and we will not push you toward a cheap repair if it will fail again in six months. For a complete picture of what we offer beyond repairs, see our full services overview.
Ready to book? We schedule fast to keep your timeline on track.
Georgia-certified on every job. No subcontractors on your property.
We know Metro Atlanta's soils, county codes, and failure patterns.
Documented on-site, delivered before we leave your property.
What we quote is what you pay — no add-ons once the tank is open.
If it's fine, we'll say so. We don't manufacture problems to sell repairs.
Every repair we perform is backed by our 1-year warranty.
We repair septic systems for Cobb County homeowners and businesses alike.
Most of our repair work is on single-family homes across Cobb County. We handle all sizes of residential tanks – from 750-gallon starter systems to 2,000-gallon tanks. We serve homeowners needing septic tank repair in Smyrna, GA, septic tank repair in Marietta, GA, Kennesaw, Acworth, Powder Springs, Mableton, Vinings, and all surrounding communities. We show up when we say we will, give you an honest diagnosis, and fix it right the first time.
Many Cobb County homeowners start with a full septic inspection in Cobb County to confirm which component has failed before committing to a repair – it often saves hundreds by ruling out the wrong fix. Homeowners who keep up with septic pumping service in Cobb County on a 3-5 year schedule catch most problems at the minor repair stage, before field damage occurs.
We service commercial septic systems for restaurants, apartment complexes, office parks near the Cumberland and Town Center corridors, warehouses, and industrial facilities across Cobb County. Commercial systems fail faster under heavy daily use – we diagnose and repair with minimal downtime. We provide compliance documentation for county health inspections and invoice-ready paperwork for property managers. Call 404-694-3060 to set up a commercial repair account.
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Brian has always been a good resource when it comes to any of my septic projects. Always goes above my expectations.Posted on Google![]()
Fraz KhawajaTrustindex verifies that the original source of the review is Google.
These guys do miracles!! Very satisfied with the service they gave on my property and they explained everything very we’ll definitely recommend them to you!Posted on Google![]()
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Very attentive, Knowledgeable and proactive.Posted on Google![]()
LadyLawDoggTrustindex verifies that the original source of the review is Google.
If it wasn't for your company telling me the truth about my Septic tank I would have been out over $15 000 00 dollars for a lie from another Company told me. I WILL NEVER HIRE NO ONR BUT YOUR COMPANY if and when I need you. Your company has my highest respect and I recomend you Brian to anyone if they asked YOU HAVE MY FAMILY'S SEAL OF APROVAL KEEP IN TOUCH THANKS 😊 🙏Posted on Google![]()
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GREAT SERVICE, COMMUNICATION AND PRICE ! 10/10Posted on Google![]()
Antonio BrooksTrustindex verifies that the original source of the review is Google.
Installed a drainfield and two septic tanks. Awesome price compared to other estimates and easy to deal with.
We provide septic tank repair in Cobb County and across the surrounding Atlanta metro area. Call 404-694-3060 to confirm we cover your address.
Marietta · Smyrna · Acworth · Kennesaw · Powder Springs · Mableton · Vinings
Sandy Springs · Buckhead · Fairburn · Roswell · Alpharetta
Our septic repair team covers all of Cobb County including septic tank repair in Smyrna, GA, septic tank repair in Marietta, GA, septic tank repair in Acworth, GA, and septic tank repair in Kennesaw, GA. We also dispatch into neighboring septic tank repair in Fulton County, GA and septic tank repair in Douglas County, GA on the same routes, so a call to 404-694-3060 covers you no matter which side of the county line you are on.
Not sure if we cover your address? Call us now – we will confirm in 30 seconds.
Costs vary by the type of problem. Minor repairs like baffle replacement or pipe fixes typically run $200-$600. Drainfield repair ranges $1,500-$5,000 depending on whether partial repair or section replacement is needed. Tank structural repairs run $500-$2,000. Full system replacement costs $8,000-$20,000+. We provide an upfront written quote after the on-site inspection – no work starts until you approve. Call 404-694-3060 for a free on-site assessment.
In many cases, yes. If only one or two lateral lines have failed, or if biomat buildup is limited to a section of the field, targeted repairs can restore function at a fraction of full replacement cost. Cobb County’s dense clay soil is hard on drainfields – the sooner you call, the more likely repair rather than full replacement is the right path. Our drainfield repair service in Cobb County covers partial repairs, lateral line replacement, and field aeration. Your technician will assess which option fits the actual damage on-site.
Age and extent of damage are the two biggest factors. Systems under 20 years old with isolated component failure are almost always repairable. Systems over 25 years with multiple failing parts or total drainfield saturation typically need full replacement. Many homes in East Cobb and along the Powder Springs Road corridor were built in the 1980s and 1990s, meaning their systems are now 30-40 years old. See our septic installation page for what a new system looks like in Cobb County if replacement turns out to be the right call.
Minor repairs like baffle replacement or pipe repair are usually completed the same day. Drainfield and structural repairs typically take 1-3 days depending on excavation scope and access. We give you a timeline estimate at the on-site inspection before any work begins.
Yes. We offer same-day emergency dispatch across Cobb County and the surrounding metro. Call 404-694-3060 and let us know it is an emergency – we prioritize same-day scheduling for active backups and overflows. If you are unsure whether you need a repair or a pump-out, a septic inspection in Cobb County can confirm the root cause before we dispatch a repair crew.
Yes. We service commercial tanks, lift stations, and drainfields for restaurants, apartment complexes, office parks near the Cumberland and Town Center corridors, and industrial facilities across Cobb County. We provide compliance documentation for health inspections on request. Call 404-694-3060 to discuss commercial job scope.
Upfront pricing. Same-day emergency dispatch. Licensed and insured technicians. Serving all of Cobb County and the entire Atlanta metro area.
Serving Cobb County, GA – Marietta – Smyrna – Acworth – Kennesaw – Powder Springs – Mableton – Vinings – and 20+ more cities across Metro Atlanta.

Maintain safe sludge levels to prevent solids from entering your new drain field.

High-capacity solutions for Atlanta business owners.

From site permits to soil testing, we install modern, high-efficiency septic systems designed to last for decades and meet all local Georgia codes.