
Sewer Line Repair & Replacement in Scarborough, Maine
Camera Inspection First · Spot Repair or Full Replacement · Permits & Street Work Handled
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Sewer Line Repair & Replacement for Scarborough Homeowners

For sewer line repair & replacement in Scarborough, homeowners turn to Aces Highlands: a Portland-based crew (508 Riverside St Unit 1) that is minutes from Cumberland County and already familiar with the homes, climate and codes here.
Sewage backing up through a basement floor drain usually means the main line between your house and the street has failed. Aces Highlands diagnoses with a camera, repairs what is broken, and replaces only when replacement is the honest answer.
The sewer lateral carries everything from your house to the city main or septic tank. In Portland, South Portland, and Westbrook, many laterals are original clay or cast iron from the early 1900s and are nearing end of life.
Tree roots find the joints in clay pipe, cast iron rusts until the bottom of the pipe is gone, and frost heave shifts sections out of line. The result: a line that clogs every few months until it collapses.
We start every sewer call with a camera, not a shovel. Seeing the break, its depth, and distance from the house tells us whether a cleaning, a spot repair, or full replacement is right. We show you the footage.
Sewer work in Portland involves plumbing permits, a licensed plumber for the connection, and a street-opening permit near the main. We handle paperwork, coordinate with the city, and restore your lawn or driveway. Active backups are an emergency call.
Why Scarborough Calls Aces Highlands
- A Cumberland County crew that already knows Scarborough's streets and housing stock
- We tell you what is actually wrong and what it costs, plainly, every time
- Most calls get on the schedule the same week you reach out
- Licensed, insured, and background-checked, and reviewed by real customers on Google
Scarborough Homes and What They Need
Scarborough is largely a late-20th-century town. Census estimates put the median home at 1988, with only about 8 percent of units built before 1940 and roughly 30 percent built since 2000. About seven in ten homes are single detached houses and more than three quarters are owner-occupied. The older stock clusters in beach villages such as Pine Point, Higgins Beach and Prouts Neck, where cottages built for summer use have often been converted to year-round living, while subdivisions fill the land around Dunstan, Oak Hill and North Scarborough. The newest layer is The Downs, a mixed-use neighborhood rising on the old racetrack site with apartments, condos and single-family homes. Newer houses usually come with ductwork, which makes a ducted heat pump installation straightforward, while converted cottages often need insulation, freeze protection and wiring brought up to date first.
Water Supply and Drains in Scarborough
Scarborough's drinking water comes mostly from the Portland Water District, which serves the town with water only. Wastewater is handled by the Scarborough Sanitary District, a separate public utility formed in 1969, which pumps flow from the town's developed areas to its secondary treatment plant at Prouts Neck. Outside the areas those two utilities reach, homes rely on private wells and septic systems. Maine CDC estimates about one in ten private wells statewide exceed the arsenic guideline, and the agency advises a full test every three to five years for arsenic, uranium and radon, so a household on a well should know its numbers before choosing treatment equipment. Near the marsh and beaches, high groundwater and storm tides can reach low basements. Choosing the right tank water heater for well water starts with the hardness and iron results.

Getting to Know Scarborough
Scarborough is one of Maine's oldest towns — incorporated on July 14, 1658 — and it is home to Scarborough Marsh, the largest contiguous saltwater marsh in the state. The town's Prouts Neck peninsula is where the painter Winslow Homer lived and produced many of his famous seascapes.
All that tidal coastline means Scarborough homes deal with real salt-air exposure. It is why we pay close attention to equipment placement and corrosion resistance on every outdoor condenser and heat pump we install near the water.
Local & Independent — Not a Franchise
There is no franchise behind Aces Highlands — just a Portland-based crew that works Scarborough under its own name. Our technicians are not commissioned salespeople and nobody here is required to upsell you anything. That is how we keep customers calling back, one honest job at a time.
How Your Drain-Waste-Vent System Works
- Fixture drains — sinks, tubs, and toilets
- Main stack — collects branch lines and vents through the roof
- Vent — keeps trap seals from siphoning dry
- Cleanout — access point for clearing clogs
- Building sewer — carries wastewater to the street main
Homeowner Guide
Sewer Line Repair: Camera Inspections, Roots & Trenchless Options
A failing sewer line is one of the more expensive plumbing problems a homeowner can face, which is exactly why diagnosing it correctly before digging matters as much as the repair itself.
Read the Full GuideMore Residential Plumbing
Sewer Line Repair & Replacement is part of our full residential plumbing lineup. Explore the details or browse everything we offer in Scarborough.
Sewer Line Repair & Replacement DetailsAll Services in ScarboroughService Info
Codes & Permits for Sewer Line Repair & Replacement in Scarborough
In Scarborough, plumbing permits come from the Local Plumbing Inspector at the Town of Scarborough Planning & Codes Department (Scarborough Municipal Building, Lower Level Room 125, 259 U.S. Route 1, Scarborough, ME 04070 (mailing: PO Box 360, Scarborough, ME 04070-0360), 207-730-4040). With 22,135 residents, Scarborough is required to enforce the Maine Uniform Building and Energy Code (MUBEC). Housing stock is comparatively newer than nearby towns: only 15.5% of units were built before 1960 and the median year built is 1988.
- Where a municipal ordinance requires it, the owner of a building that abuts a street containing a sewer must connect that building to the sewer and stop using any other wastewater disposal method. mainelegislature.org
- In a sanitary district, an owner whose building is within 200 feet of a district sewer must connect within 90 days of being asked to, though the district can't force the owner to buy land or an easement just to make the connection; existing properties with a functioning private system are exempt as long as it stays compliant. legislature.maine.gov
- Installing a new, expanded, or replacement septic (subsurface wastewater disposal) system requires a permit built on an HHE-200 application, which must be prepared by a Maine-licensed Site Evaluator for standard systems, or by a professional engineer or licensed Site Evaluator for engineered systems. maine.gov
- Every Maine municipality must annually appoint at least one Local Plumbing Inspector (LPI), who does not have to live in that town, to issue plumbing permits and enforce the state's plumbing rules and Subsurface Wastewater Disposal (septic) rules locally. mainelegislature.org
How Aces Highlands Handles Sewer Line Repair & Replacement in Scarborough
- Public sewer in Scarborough is the Scarborough Sanitary District's to run (treatment at the Prouts Neck treatment plant); the private lateral out to that main stays the homeowner's responsibility, which is where most sewer line repair & replacement calls start.
- With 16% of housing here dating to before 1960, a fair share of Scarborough's laterals are original cast iron or clay, which is usually what we find on camera.
- A failed septic system requires an HHE-200 design from a licensed Site Evaluator plus a Local Plumbing Inspector permit — we line up both before any excavator shows up.
Scarborough's municipal building on U.S. Route 1, north of the village center.
Street View © Google
Why homeowners choose Aces Highlands
We show up when we say
We show up on time, as promised, and complete the work with clean professionalism.
Pricing upfront, before work starts
Honest diagnostics and a clear price before any work begins — no surprises on the invoice.
Done right the first time
HVAC, plumbing and electrical done right the first time — backed by our workmanship guarantee and 100% satisfaction guarantee.
Locally owned in Portland, Maine · Serving Greater Portland and Southern Maine since 2019
What Plumbing customers say
Ruth Kirkwood
3 months ago
This company is excellent. They quickly and efficiently repaired the kitchen faucet that was loose.
Nichole A
a year ago
Highly recommend! Cannot thank them enough for fixing my water heater. Elijah is very reliable and communicative. No hassle, no phone tag, transparent with cost and quick to repair the issue. I know who to call if I need help again!
Adam Ayan
10 months ago
Elijah and Highlands Heating & AC were super helpful! Boiler failed over the weekend and Elijah was very responsive and helpful, getting us up and running right away. I would recommend him at HH&AC highly!
Justin Funk
a year ago
We highly recommend Highlands Heating & AC. They are extremely responsive, knowledgeable and do great work. Our boiler stopped working and Elijah was quick to respond after hours on a Friday. He installed a new boiler and heat pump hot water heater.
Tom
14 Aug 2024
He was very friendly. He gave me an honest explanation on why I shouldn't recharge my A/C unit and what he suggested made much more sense. He really took care of everything. He is very professional, always called me with updates. 5 stars is not enough — I give this company 10 stars.
Jacqueline Vogeley
2 weeks ago
Great experience! Open, honest and efficient 🙌🏽 Job well done
Sewer Line Repair & Replacement FAQs
Who is responsible for the sewer line — me or the city?
In Portland and most Southern Maine towns, the homeowner owns and maintains the lateral from the house all the way to the connection at the city main, including the section under the sidewalk and street. The city is responsible for the main itself. Check your town's sewer ordinance for the exact boundary; we can help you read it.
Does homeowners insurance cover sewer line replacement?
Usually not under a standard policy. Some insurers offer a service-line endorsement for a small annual premium that covers the lateral, and some cover the resulting water damage but not the pipe. Call your agent before the work starts, and ask us for the camera footage — insurers often want it.
How long does a sewer line replacement take?
Most full replacements take one to three days from the first shovel to backfill, plus a day or two beforehand for Dig Safe locates and permits. Spot repairs are often finished in a single day. You will be without drains for part of that time; we tell you exactly when before we start.
Do I need a permit to replace a sewer line in Maine?
Yes. Sewer lateral work requires a plumbing permit and an inspection before backfill, and work in a city street or sidewalk needs a street-opening permit. The connection itself must be made by a licensed Maine plumber. We pull every permit and schedule the inspections.
Can tree roots really break a sewer pipe?
Yes. Roots enter at the joints of clay pipe seeking water, then grow until they crack the pipe or fill it completely. Cutting the roots restores flow for a season or two; the permanent fix is replacing the joint they enter through or the whole run. Maples and willows near the pipe path are the usual culprits.
Is trenchless sewer repair available in Portland?
It depends on the pipe. Cured-in-place lining needs a host pipe that still holds its shape; pipe bursting needs room to pull a new pipe through and access pits at each end. Collapsed sections, bellies, and multiple bends often rule them out. The camera inspection tells us, and we quote both ways when both are possible.
More Services in Scarborough
Aces Highlands handles HVAC, plumbing, and electrical for Scarborough homeowners. Here is more of what we do nearby.
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Need Sewer Line Repair & Replacement in Scarborough?
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