Sewer line repair in La Mesa, CA

Sewer lines in La Mesa

The city grew in two waves, and the pipes follow. The streets around La Mesa Village, Date Avenue and the older blocks off University Avenue and Spring Street were built in the 1920s and 30s: cast iron under the house, clay to the street, and in many cases no cleanout anywhere. Then the 1950s and 60s filled in Lake Murray, Rolando, the flats toward Grossmont and the slopes of Mt. Helix with slab ranch homes on cast iron and clay.

Mt. Helix is its own case. Big lots, long laterals, decomposed granite and clay pockets, and 60-year-old trees whose roots have had a long time to find the joints. A lateral there can be 100 feet or more, and the difference between open-trench and trenchless on that length is significant either way.

La Mesa has its own sewer system; ask the city's Public Works Department where your responsibility ends and what permit the job needs. The contractor who does the work pulls it.

Sewer services in La Mesa

• Sewer line repair: main line clogs cleared, roots cut, hydro jetting, camera, spot repairs
• Camera inspection: usually $250–$500, recorded, and the right call before buying anything in the Village or on the hill
• Trenchless lining and pipe bursting: the usual choice for the long laterals on Mt. Helix and anything under a driveway
• Sewer line replacement: open-trench where the pipe runs under nothing but lawn
• Under-slab sewer repair: the cast iron under Lake Murray and Rolando ranch homes

A typical La Mesa sewer job

A 1950s slab ranch near Lake Murray, a kitchen sink that has been cabled three times in two years, and a camera that shows the cast iron under the slab scaled to half its bore with the floor of the pipe gone in one stretch. The lateral to the street is clay with roots at two joints. The honest quote has three parts: descale and line the under-slab run (about $150–$300 per foot), spot repair or line the two bad joints outside ($1,500–$4,000 for a spot repair), and add a two-way cleanout ($400–$1,200). One to two days, no floors cut. The cost page has the ranges behind that.

Roots on the hill

Mt. Helix and the older parts of Grossmont have the trees: California pepper, eucalyptus, jacaranda, the occasional enormous ficus. Root cutting every spring is a habit a lot of homeowners up here have fallen into. A liner or a burst ends it, and on a long lateral the payback against annual cabling and the odd emergency call is quicker than it looks. Tree roots in sewer lines explains what's happening underground.

Sewer repair in El Cajon

El Cajon sits just east and has the same mix: 1950s–60s ranches in Fletcher Hills and Bostonia on cast iron and clay, long laterals on the bigger lots, and newer tracts on ABS. For sewer repair, El Cajon homes follow the same rule as La Mesa: camera first, then the cheapest fix that ends the problem. Sewer line repair in El Cajon is often a spot repair at one root-broken joint; where the lateral runs under a driveway, trenchless sewer line repair (lining or bursting) usually beats a trench. Ask the City of El Cajon where your lateral ends and what permit the job needs.

Nearby

Lemon Grove, Spring Valley, Casa de Oro, Rancho San Diego, Santee and Fletcher Hills. Zip codes 91941, 91942, 91944 and 91945.

Checks a La Mesa homeowner can do first

• Find the cleanout. On Village houses from the 1920s and 30s there often isn't one. Look near the front wall and along the side yard for a capped pipe.
• Run the lowest drain. Fill the tub, let it go, and run the washer right after. A slow tub that gurgles points to the main line.
• Walk the line in late summer. A green stripe in a dry yard, or a soft spot that never dries, marks a leaking joint.
• Note the trees. A pepper tree or eucalyptus within 30 or 40 feet of the lateral is a likely root source.
• Write down the history. When the line was last cleared, by whom, and what came out. It helps whoever runs the camera.

Older Village homes with no cleanout

A house with no cleanout can still be cleared and cameraed, but it means pulling a toilet or going in from the roof. On a hillside or two-story house that's slow work. Adding a two-way cleanout ($400–$1,200) near the property line pays back on the first service call, and it makes the house easier to sell.

Comparing estimates for a La Mesa lateral

Ask each contractor to price from the same camera file so the numbers line up. Check the footage of pipe, the method, where each pit goes and what's on top of it, and whether the price reaches the city's main. On a long Mt. Helix run, look hard at the per-foot rate, because small differences multiply over 100 feet. And ask who confirms the permit with the city; the contractor who does the work pulls it.

Slab ranches near Lake Murray and Rolando

These 1950s and 60s houses usually have two problems of the same age: the clay lateral outside and the cast iron under the slab. Camera both on one visit. If the budget only stretches to one this year, fix the one that's failing now and get a written price for the other. Doing them in the same mobilization is usually cheaper than two separate jobs.

Questions to ask a La Mesa contractor

• Does your price reach the city's main, and who confirms that with Public Works?
• Where will each pit go on a sloped Mt. Helix lot, and how is the soil held back?
• Is the camera file mine to keep, with distances for each problem?
• If lining and bursting would both work, can I see both prices?