Sewer Line Replacement cost: Gulfport vs Hattiesburg (2026)
In 2026, Gulfport and Hattiesburg land on nearly identical sewer line replacement pricing — about $7,100 either way.
Gulfport MS
Typically around $7,100
Hattiesburg MS
Typically around $7,100
Gulfport vs Hattiesburg: full breakdown
| Factor | Gulfport | Hattiesburg |
|---|---|---|
| Typical 2026 cost | $7,100 | $7,100 |
| Estimated range | $2,950–$11,200 | $2,950–$11,200 |
| Labor index (vs US) | ×0.93 | ×0.93 |
| Climate zone | Hot | Hot |
| Climate factor | ×0.98 | ×0.98 |
| Local permit | $225 | $225 |
| Labor share | $4,250 | $4,250 |
| Materials/equipment | $2,850 | $2,850 |
Treat these as 2026 localized estimates for sewer line replacement, not quotes from a contractor.
Basically a tie — focus on the contractor
With no real price gap on sewer line replacement, the choice comes down to contractor quality and timing, not which city you're in.
Sewer line replacement by type: Gulfport vs Hattiesburg
Each sewer line replacement option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Gulfport | Hattiesburg |
|---|---|---|
| Trenchless lining (CIPP) | $3,900–$11,200 | $3,900–$11,200 |
| Pipe bursting | $4,800–$12,100 | $4,800–$12,100 |
| Traditional excavation | $2,950–$12,100 | $2,950–$12,100 |
These are 2026 planning figures for sewer line replacement, localized to each city — not formal quotes.
Sewer line replacement by line length: Gulfport vs Hattiesburg
Sewer replacement is priced largely by the length of line from the house to the city main, at roughly $50–$250 per foot depending on method, depth, and what's above the trench.
| Size | Gulfport | Hattiesburg |
|---|---|---|
| 25 ft (short run) | $2,050–$5,700 | $2,050–$5,700 |
| 50 ft (typical) | $2,950–$8,450 | $2,950–$8,450 |
| 75 ft | $4,350–$11,200 | $4,350–$11,200 |
| 100+ ft (long / deep run) | $5,700–$16,700 | $5,700–$16,700 |
Treat these as 2026 localized estimates for sewer line replacement, not quotes from a contractor.
Cheapest time for sewer line replacement in either city
Emergency plumbing work is priced for urgency, full stop. A repipe or sewer line, on the other hand, is a project you can schedule — and scheduling it for a slow month gets you a slightly better rate and a crew that isn't rushing.
How do you budget a major plumbing job?
Plumbing budgets for repipes and sewer lines hinge on two unknowns — the install method and the ground itself. Our editors break down the trade-offs.
The diagnosis-first case
Pricing a sewer or repipe off a hunch invites two bad outcomes: paying to replace pipe that's fine, or missing the section that's actually collapsed. A camera run through the line settles the question before a single dollar is committed.
The method case
Trenchless runs a higher per-foot rate, but the savings hide in what you never have to rebuild — no torn-up driveway, no re-sodded lawn, no ripped-out patio. Open-cut digging only wins on price when there's almost nothing on top of the line to put back.
The material case
PEX installs faster, costs less, and flexes instead of splitting when a line freezes — a real edge in cold zones. Copper carries a higher price and a longer service life, and some buyers still read it as the quality choice; let your climate and how long you'll own the home make the call.
The number one rule for a big plumbing job: confirm the scope with a camera before you price anything. From there, weigh trenchless against total restoration cost and pick materials suited to your climate.
Gulfport vs Hattiesburg
Is sewer line replacement cheaper in Gulfport or Hattiesburg?
sewer line replacement costs about the same in both — roughly $7,100 in each city.
Why does sewer line replacement cost more in Hattiesburg than Gulfport?
The main driver is local labor rates: Hattiesburg's labor index is 0.93 versus 0.93 in Gulfport. Climate zone (hot vs hot) also shift the total.
How much is sewer line replacement in Gulfport, MS?
Expect to pay $2,950 to $11,200 for sewer line replacement in Gulfport in 2026, averaging around $7,100.
When is the cheapest time to buy sewer line replacement — and does it differ by city?
The best window is the same in both Gulfport and Hattiesburg: Off-peak winter for planned work, when demand drops and installers discount to keep crews busy — typically Around 5% off peak pricing. The most expensive time anywhere is an emergency replacement during anytime it becomes an emergency.
Should I choose where to live based on sewer line replacement cost?
There's no cost argument here between Gulfport and Hattiesburg — they're a wash. Focus on contractor reputation, project scope, equipment tier and timing.
Compare sewer line replacement in other cities
Updated June 2026 · By Serhat Özçelik