Ask a homeowner in Dallas, GA whether their water and sewer service comes from the city or the county, and you'll often get a confident, wrong answer. The City of Dallas says as much on its own utility billing page: some addresses annexed inside city limits still get water from Paulding County Water, because the city buys its water wholesale from the county and only serves certain jurisdictional pockets directly. If you're a few days into your due diligence period on a house here, that distinction matters more to your monthly budget than the number you saw on the listing.
The Billing Line Moved in July 2025
For years, "city water" in Dallas meant a bill from the City of Dallas. That changed on July 8, 2025, when the city stopped billing its water and sewer customers directly and handed that function to Paulding County Water. Existing deposits of $100 were transferred over, along with each customer's final City of Dallas bill covering usage through June 2025. Any balance still unpaid as of August 22, 2025 moved to the county as well.
If a seller tells you the house has always been on city water, they may be describing a relationship that technically ended over a year ago. The pipes didn't move. The office that sends the bill did, and the rate structure attached to it can be different from what a longtime owner remembers paying.
City Limits and Water Jurisdiction Are Two Different Maps
Here's the part that trips up even people who've lived in Dallas for years. Being inside city limits does not automatically mean your water and sewer run through the city. The City of Dallas is not a water producer. It purchases water wholesale from Paulding County Water and only distributes it within specific jurisdiction areas, so some annexed addresses are served by the city and others, sitting on the same street, are served directly by the county. The city's own billing FAQ tells residents to contact the office directly to find out which one applies to their address.
For a buyer, that means the mailing address on the listing sheet tells you nothing reliable about who bills you for water and sewer once you close. It's a question you have to ask directly, for that specific parcel, not infer from the city limits shown on a map.
What the Paperwork Actually Costs
The three most common setups in Dallas carry different costs and different fine print. Here's how they compare:
| Sewer Source | Who Bills You | Cost to Connect | One Detail Worth Knowing |
|---|---|---|---|
| City of Dallas sewer | Paulding County Water for water and sewer billing since July 2025 | Paulding County lists a $5,100 residential sewer tap fee | Addresses annexed inside city limits also carry a monthly city-wide street light fee, unrelated to the actual streetlight on your block |
| Paulding County sewer | Paulding County Water | Rate depends on the county's service agreement for that area | Paulding County Water says county sewer customers can apply for a sewage billing adjustment when filling a pool, a credit that requires proof of purchase and the pool's approximate gallon capacity |
| Septic system | No monthly sewer bill | Tap fee applies only if converting to sewer later, plus the separate cost of running a line to the nearest connection point | Common throughout Paulding County, where local septic contractors point to clay soils and rolling terrain as a factor in how these systems perform over time |
The Pool Credit Nobody Mentions Until You Ask
That sewage adjustment for filling a pool is worth sitting with for a second, because it shows how differently these two systems actually operate. Paulding County Water will credit your sewer charges for the water used to fill a pool, but only if you have county sewer service. If you have City of Dallas sewer service instead, you don't qualify, full stop. It's a small rule, but it's a real one, and it exists precisely because the city and county run separate systems with separate policies rather than one unified utility wearing two names.
If a pool is part of your plans for a Dallas property, this is one more reason to confirm whether the property has county or city sewer service before you assume anything about future costs.
Septic Is Common Here, and the Ground Underneath It Isn't Incidental
A meaningful share of homes across Paulding County, including plenty within and around Dallas, run on septic rather than public sewer. That's not unusual for the area and shouldn't be treated as a red flag on its own. What matters is the system's age, when it was last inspected and pumped, and how well it's suited to the lot it sits on. Septic contractors who work this territory routinely point to the area's clay soils and rolling hills as conditions that require specific system knowledge, which is another way of saying not every septic system here behaves the same way once you get past the paperwork.
If you're looking at new construction instead of resale, the same question still applies. Builders active in Paulding County right now include Meritage Homes, Fischer Homes, Smith Douglas Homes, DR Horton, and Weekly Homes, and not every lot in every subdivision was platted for public sewer from day one. Ask directly whether your specific lot connects to sewer or relies on an on-site septic system, even on a brand new house.
What the September 2026 Numbers Actually Measure
As of September 2026, Movoto's listing data puts the median list price for homes in Dallas at $395,000, with homes spending a median of 61 days on the market. Over the same window, Zillow's home value index for the 30157 zip code, which covers a large share of Dallas, showed a typical home value of $329,705 as of July 31, 2026, down 0.5% from a year earlier.
Those two figures aren't measuring the same thing. One tracks what sellers are currently asking. The other is a modeled estimate of what existing homes are actually worth. Neither one knows whether the specific house you're considering carries a $5,100 sewer tap fee, a septic system that's due for inspection, or a water bill that quietly changed offices in the middle of last year. A citywide number can tell you about the market. It can't tell you what a single address will cost to run every month.
Questions Worth Asking Before Your Due Diligence Period Ends
- Ask the seller or listing agent directly whether the property's water and sewer come from the City of Dallas or from Paulding County Water. Don't rely on the mailing address to answer this for you.
- Request the last twelve months of utility bills so you can see which office is actually sending them now and what the current rate looks like since the 2025 transfer.
- If the home is on septic, ask when the tank was last pumped and inspected, and whether the drain field sits on the clay-heavy soil common through much of the county.
- If you're buying new construction, ask the builder directly whether your lot was designed for public sewer or relies on an installed septic system.
- If a pool is part of the plan, confirm whether the property has county sewer service before assuming you'll qualify for the pool-fill credit.
A Couple of Straightforward Answers
Who do I contact to find out if a specific Dallas address is on city or county water? Contact the City of Dallas Public Works utility billing office directly. The city's own FAQ tells residents to check, since jurisdiction doesn't always line up with city limits.
Does having a septic system lower a home's value in Dallas? Not on its own. Septic systems are common throughout Paulding County. What matters is documented age, inspection history, and whether the system suits the lot, all of which are worth verifying during your due diligence period rather than assumed from the listing photos.
Who usually pays the sewer tap fee if a septic property is being connected to city sewer? That's a negotiated point like any other repair or improvement cost. It's worth raising early in the process, since the fee itself runs $5,100 for a residential connection through the City of Dallas, before factoring in the cost of running a line from the house to the connection point.
A house in Dallas is still a house in Dallas whether the bill comes from the city or the county, whether the water runs through a meter or a well, whether the tank in the backyard gets pumped every few years or never crosses your mind. But the answer to which of those applies to your specific address is worth pinning down before your due diligence period runs out, not after.
If you're comparing homes in Dallas and want someone who already knows which streets sit on which side of these lines, Stephanie Turner Lee can walk through the specific address with you before you're up against a deadline.
This article is general information, not legal, tax or financial advice. Consult a qualified professional about your situation.
