Sewer Line Repair & Replacement in Hawthorne, CA

Typical cost: $1,500–$25,000 · Los Angeles County · Updated 2026-08-19

Flat illustration of a sewer lateral running from a house to the street with an inspection camera

A failed lateral is the repair Hawthorne homeowners fear for good reason: five figures is possible — and so is a spot fix at a tenth of that. The camera decides which, and the odds are set by the stock: small postwar tract homes and garden apartments, meaning cast-iron drains and clay sewer laterals on many blocks.

The honest number: $1,500–$25,000 covers most sewer line repair & replacement work in California, with Hawthorne labor at $100–$200/hr and $75–$125 to get a truck to the door. What moves your quote inside that range is scope — which is why itemized bids beat phone estimates. For the state-wide view, see the Sewer Line Repair & Replacement cost guide.

Sewer Line Repair & Replacement and Hawthorne's housing stock

Hawthorne is a Los Angeles County city built during the 1940s–50s aerospace expansion: small postwar tract homes and garden apartments. For drain and sewer work, the era is the diagnosis — cast-iron drains and clay sewer laterals come with known failure modes, and local crews quote them daily.

What drives the price

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Frequently asked questions

Hawthorne homes were built in the 1940s and 1950s — what does that mean for their drains?

Homes of that era typically have cast-iron drains and clay sewer laterals. Clay and cast iron develop root intrusion and bellies with age, so recurring clogs justify a camera inspection rather than repeat cabling.

How much does sewer line replacement cost in Hawthorne?

Typical full replacements in the Los Angeles metro run $5,000–$25,000+, with trenchless methods at $80–$250 per foot usually beating open-trench once concrete or landscaping restoration is included. Spot repairs run $1,500–$5,000.

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