Sewer Line Installation & Replacement · Lawrenceville, GA
Sewer line installation and replacement in Lawrenceville, where a Gwinnett DWR sewer connection permit comes before the city will issue a building permit.
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- Residential & commercial
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or call (678) 863-5620The short answer
How does sewer line installation work in Lawrenceville, GA?
A new or replacement lateral in Lawrenceville ties into Gwinnett County's sewer, not a city system. Gwinnett DWR issues the sewer connection permit, and the city won't issue a building permit until you have it. The owner pays for and owns the new line; the county owns the main it joins.↗↗
Reviewed by Atlanta Water & Sewage Solutions · Last updated
Permits · Gwinnett County Department of Water Resources and City of Lawrenceville
The permit order for a Lawrenceville sewer job
- 01
For any structure needing a sewer connection, the city requires a Gwinnett DWR Sewer Connection Permit before it will issue a building permit.↗
- 02
Developer-installed sewer mains inside city limits are reviewed by Gwinnett Planning and Development's Water and Sewer Plan Review Section, and the applicant must carry that approval to the city.↗
- 03
Where a house is moving off a tank, Gwinnett's procedure calls for a DWR Septic to Sewer Permit plus a Plumbing Only Permit, and the old tank must be pumped and then crushed or filled.↗
- 04
The plumbing inspection happens at the cleanout connection, with a second check after the tank is emptied and collapsed.↗
Georgia rule Ga. Comp. R. & Regs. 511-3-1-.03(1)
“Connection shall be made to a public or community sewage treatment system if such system is available within two hundred feet (200') of the property line…”
The Lawrenceville story
Why new sewer work keeps coming in the county seat
Downtown Lawrenceville is filling in. SouthLawn, beside the Lawrenceville Lawn, adds more than 600 homes and 15,000 square feet of other space in the middle of the old town, and each new building needs a sewer service line approved through the county.↗
Out in the older subdivisions, the work is replacement: a lateral that has sagged or cracked beyond spot repair gets a new run from the house to the right-of-way. And on the edges, some owners still on tanks tie in when sewer finally reaches their street.↗
Lawrenceville's code folds the Gwinnett health code's on-site sewage rules into Chapter 7-110, with violations tried in the city's municipal court, so retiring a tank properly matters inside the city too.↗
On the record
- Gwinnett has run a cost-share sewer petition program since 2001: when 70 percent of homeowners in a neighborhood agree, the county installs the pipes and pays two-thirds of construction, with owners repaying their third over 10 years at 5 percent.↗
What it costs
What a Lawrenceville tie-in or new line can run
Gwinnett sewer system development charge, 3/4-inch residential meter
$4,147
Typical market range — Gwinnett DWR Rates and Fee Schedule — January 2026, 2026
Gwinnett charge for a residential septic-to-sewer switch, SDC plus permit
$4,172
Typical market range — Residential Septic to Sewer Procedure for Unincorporated Gwinnett County, 2026
Tap on a county sewer main (customer digs, backfills and patches paving)
$550 per tap
Typical market range — Gwinnett DWR Rates and Fee Schedule — January 2026, 2026
Installed sewer pipe, national
$40–$180 per foot
Typical market range — HomeGuide — Sewer Line Installation Cost (updated December 2025), 2025
Connecting a home to public sewer, national
$1,000–$15,000
Typical market range — HomeGuide — Sewer Line Installation Cost (updated December 2025), 2025
What moves the price
These are third-party typical market ranges, not our prices. Every job is quoted after we see it — estimates are free.
Free estimate: (678) 863-5620- 01Run length from the house to the county stub or main.
- 02Whether a street cut is needed for a new tap.
- 03Pumping and crushing or filling an old tank during a conversion.
- 04Rock, roots and slope along the route.
Local facts
Lawrenceville installation facts to plan around
Each row links to the agency, code or publisher it comes from. Tap a source to check it yourself.
| Topic | What it says | Source |
|---|---|---|
| Conversion inspections | Two: at the cleanout connection, then after the tank is cleaned and crushed | Residential Septic to Sewer Procedure for Unincorporated Gwinnett County |
| Plumbing Only permit | 0.6 percent of the construction estimate, $30 minimum | Residential Septic to Sewer Procedure for Unincorporated Gwinnett County |
| Downtown growth | SouthLawn: 600+ residential units and 15,000 sq ft beside the Lawrenceville Lawn | City of Lawrenceville — Construction Updates & Road Closures |
More about Lawrenceville
How we install a Lawrenceville lateral
We confirm where the county stub or main sits, help line up the DWR permits, and call in a Georgia 811 locate. The trench runs from the house cleanout to the right-of-way connection, with the pipe laid on a steady fall so solids keep moving.↗
On a conversion, the house plumbing is redirected to the new line, the inspector sees the cleanout tie-in, and only then do we pump the old tank and collapse or fill it. We backfill in lifts and restore the yard so the trench line doesn't settle.↗
We confirm where the county stub or main sits, help line up the DWR permits, and call in a Georgia 811 locate.
More about Lawrenceville
New homes versus commercial buildings
A single house takes a four-inch lateral and usually one connection permit. Apartment, mixed-use and restaurant buildings go through county plan review, and food service sites also answer to Gwinnett's grease rules, which our commercial sewer page covers.↗
FAQ
Lawrenceville sewer installation questions
Straight answers, with the rule or record behind them. Still unsure? Call and ask the crew that digs.
(678) 863-5620Who issues the sewer permit for a new house in Lawrenceville?
Gwinnett County's Department of Water Resources. The City of Lawrenceville's building permit page says a structure requiring a sewer connection must get a DWR Sewer Connection Permit before the city issues a building permit.
What does it cost to switch from septic to sewer in Gwinnett?
Gwinnett's procedure lists $4,172 in county charges for a typical 3/4-inch residential conversion (system development charge plus permit), before the contractor's line work and tank abandonment.
Source: Residential Septic to Sewer Procedure for Unincorporated Gwinnett County
Do I have to connect to sewer if it's near my Lawrenceville lot?
Georgia's rule 511-3-1-.03(1) requires connection when public sewer is within 200 feet of the property line or in an abutting right-of-way, and a failing septic system must connect once sewer is available.
Source: Ga. Comp. R. & Regs. 511-3-1 (On-Site Sewage Management Systems)
What happens to my old septic tank?
Under Gwinnett's septic-to-sewer procedure it is pumped out and then crushed or filled with concrete or gravel, and an inspector checks it after that is done.
Source: Residential Septic to Sewer Procedure for Unincorporated Gwinnett County
Can my neighborhood get sewer if it doesn't have it?
Gwinnett's petition program has been used since 2001. When 70 percent of homeowners agree, the county installs the sewer, pays two-thirds of construction, and lets owners repay their share over 10 years at 5 percent interest.
Who reviews sewer mains for new developments inside the city?
Gwinnett Planning and Development's Water and Sewer Plan Review Section approves developer-installed water and sewer mains inside Lawrenceville before the city issues a development permit. The city does not pass the paperwork along; applicants bring proof of county approval.
Source: City of Lawrenceville — Land Disturbance / Development
How much does a new sewer line cost per foot?
HomeGuide's national figures put installed sewer pipe at roughly $40–$180 per foot. In Lawrenceville the county's own charges, like the $550 main tap fee, sit on top of that.
Source: HomeGuide — Sewer Line Installation Cost (updated December 2025)
Sources
Where these facts come from
Rules, costs and local facts on this page link to the agency, code or publisher that states them. Cost figures are third-party market ranges, not our prices — estimates are free.
Reviewed by Atlanta Water & Sewage Solutions · Last updated
- 1City of Lawrenceville — Building Permits
- 2Gwinnett County DWR — Sewer Lateral
- 3City of Lawrenceville — Land Disturbance / Development
- 4Residential Septic to Sewer Procedure for Unincorporated Gwinnett County
- 5Ga. Comp. R. & Regs. 511-3-1 (On-Site Sewage Management Systems)
- 6City of Lawrenceville — Construction Updates & Road Closures
- 7City of Lawrenceville Development Regulations — Article VII, State Minimum Standard Construction Codes
- 8Gwinnett County — Sewer Petition Gets Results
- 9Gwinnett DWR Rates and Fee Schedule — January 2026
- 10HomeGuide — Sewer Line Installation Cost (updated December 2025)
Ready when you are
Tying into Gwinnett sewer? Start with the permit, not the shovel.
Call us with your address in Lawrenceville. We check where the county line runs, walk you through the DWR permits, and give you a free on-site estimate.
(678) 863-5620- Georgia DPH-certified installer & pumper
- Residential & commercial
- Oxford, GA
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or call (678) 863-5620