Plumbing Morgan Hill

Plumbing in Morgan Hill, where selling a house starts with a sewer camera

Selling a Morgan Hill house more than 15 years old means a plumber from the city's Qualified Contractor list first runs a camera down the sewer lateral, and a building finished on or before January 1, 1994 also needs its toilets and showerheads inspected. The buyer needs both certificates to start water service. Everyday work is shaped by the water itself: it comes from 16 city wells and averages 234 mg/L of hardness.

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  • Rules on this page checked against 14 public sources, October 2026
Shops at First Street and Monterey Road in downtown Morgan Hill
Shops at First Street and Monterey Road in downtown Morgan Hill. Photo: Cristiano Tomás, CC BY-SA 4.0, via Wikimedia Commons.
City wells
16 active, drawing on the Coyote and Llagas aquifers
Hardness, latest report
201 to 276 mg/L, averaging 234 (about 16 grains)
Lateral check at sale
Over 15 years old; in 2026, houses built 2011 or later are exempt
Fixture check at sale
Buildings finished on or before January 1, 1994

Permits and local rules

Morgan Hill ordinances that sit behind a plumbing quote

  1. Private sewer lateral inspection at sale

    The Private Sewer Lateral Ordinance applies to properties more than 15 years old, and the cutoff year moves forward every year: in 2026, properties built in 2011 or later are exempt and file an Exemption Form with evidence. Everyone else starts with the city's Kickoff Form and a Qualified Contractor's inspection. If the lateral fails, seller and buyer may sign and notarize a Transfer of Responsibility Form, which gives the buyer 180 days after utility service starts to make the repairs.

    City of Morgan Hill Utility Services (opens in a new tab)
  2. Plumbing Fixture Retrofit, Section 13.04.335

    Every residential, commercial and industrial building built on or before January 1, 1994 and served by the city's water utility is inspected for water-saving fixtures when title passes by grant deed. The seller arranges the inspection with a licensed plumber who holds a Morgan Hill business license, and noncompliant fixtures may only be replaced with high-efficiency ones. A Certificate of Compliance is required before the buyer can begin new water service, and mobile homes are covered too.

    City of Morgan Hill, Plumbing Fixture FAQ (opens in a new tab)
  3. Who may inspect a lateral

    Morgan Hill keeps a list of Qualified Contractors for lateral inspections. Each must hold a C-36 license, a Morgan Hill business license and NASSCO certification under PACP, LACP or MACP. Fixture inspections need only a licensed plumber with the city business license. The city states plainly that it does not endorse anyone on the list or vouch for their pricing or work, so choosing among them, and comparing quotes, is up to the owner.

    City of Morgan Hill Utility Services (opens in a new tab)
  4. The lateral grant program

    Morgan Hill is accepting grant applications for the 2026-2027 fiscal year to help owners repair or replace a private sewer lateral, with funds awarded first come, first served until they run out. The owner must receive the city's Letter of Approval before any construction begins, because sewer lateral work done before approval cannot be funded. The application asks for bids from contractors, so collect them before applying.

    City of Morgan Hill Utility Services (opens in a new tab)

State license for this work: C-36 Plumbing, C-42 Sanitation System. Look up a contractor's license on the CSLB website (opens in a new tab).

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Free to request, and you agree the scope and price with the person you hire before work starts. In California, a job over $1,000 in labor and materials, or one that needs a building permit, must be done by a contractor licensed by the CSLB in the right class. Ask for the license number and check it at cslb.ca.gov.

Copper pipe fittings: elbows, a tee, reducers and couplings
Copper pipe fittings: elbows, a tee, reducers and couplings. Photo: Torsten Bätge, CC BY-SA 3.0, via Wikimedia Commons.

The houses here

Two sale rules that line up with the city's building booms

Morgan Hill's houses arrived in waves: a small downtown core of older homes, ranch tracts from 1958, a big build-out through the 1970s and 1980s, and subdivisions paced by yearly housing allotments after 1977. The city's point-of-sale plumbing rules follow those waves. Anything finished before 2011 falls under the sewer lateral inspection in 2026, and anything finished on or before January 1, 1994 falls under the fixture retrofit as well, so most resale houses face both. The city describes its laterals as typically 4-inch clay or plastic pipe, inspected from the cleanout nearest the building all the way to the connection at the main in the street. Mobile homes get no exemption from the fixture rule.

The work

Work that Morgan Hill's sale rules and wells send a plumber

  1. The camera inspection before a sale

    Only a contractor on the city's Qualified Contractor list may do it, and getting on that list takes a C-36 license, a Morgan Hill business license and NASSCO pipeline assessment certification. The plumber runs a CCTV camera through the lateral, fills in the city's inspection form and submits the footage. City staff review both and issue a Certificate of Compliance within five business days. The certificate is valid for ten years and goes to the next owner with the house.

  2. Repairing a lateral that failed

    A failed inspection lists the repairs, and any plumbing contractor holding a Morgan Hill business license can make them; the inspector does not have to. A Qualified Contractor then inspects again. Because the owner's lateral includes the connection to the city main, a repair can run out under the street: work on private property takes a plumbing permit from the Building Division, and work in the public right of way takes an encroachment permit from Engineering.

  3. Toilets and showerheads for the fixture certificate

    For a building finished on or before January 1, 1994, a licensed plumber with a Morgan Hill business license inspects the fixtures before the sale. Toilets, showerheads and urinals made in 1993 or earlier are replaced with WaterSense models: showerheads rated at 1.8 gallons per minute or less and toilets at 1.28 gallons per flush, though an existing toilet using no more than 1.6 gallons passes.

  4. Water heaters and repipes on hard well water

    The city's latest water report puts hardness at 201 to 276 mg/L, which it converts to 14 to 19 grains per gallon, and that mineral load settles in tank heaters and old supply lines. Both jobs are among the few residential permits a contractor can apply for online through the city's eTRAKiT portal, alongside re-roofs and SolarAPP+ solar. Other permit applications go to the Building Division by email, as PDFs only.

  5. Backflow assemblies the city asks for

    Morgan Hill's Water Division requires backflow protection on fire services and some domestic services, and the one-way devices it accepts are lead-free reduced pressure principle assemblies or, in a few cases, lead-free double checks. Owners own and maintain them, and every device must be tested once a year. Addresses are added to the program after surveys, and the city publishes a yearly list of approved testers, most of whom can also install a device.

Before you hire

Before you book a Morgan Hill plumber

  • For a pre-sale lateral inspection, confirm the plumber appears on the city's current Qualified Contractor list.
  • Ask for the complete CCTV footage, since city staff review the video as well as the written report.
  • If the lateral failed, ask whether the repair reaches under the street and who will pull the Engineering encroachment permit.
  • Applying for the lateral grant? Wait for the city's Letter of Approval before anyone digs; earlier work cannot be funded.
  • Check the C-36 Plumbing license at cslb.ca.gov and ask to see a current Morgan Hill business license.

Timing

Start the sewer paperwork when the listing starts

The lateral and fixture certificates are both needed before the buyer can open a water account, so they belong at the start of a Morgan Hill sale, not the week of closing. A passing camera report is still checked by city staff, and the certificate follows within five business days once it is verified. A failed lateral adds a repair and a second inspection, unless both sides sign the Transfer of Responsibility Form and the buyer takes on the 180-day repair window instead.

Questions

Morgan Hill plumbing questions, answered from city records

We are selling a 2012 house in Morgan Hill. Do we still need the sewer lateral inspection?

Not in 2026. The ordinance covers properties more than 15 years old, and the city's page says properties built in 2011 or later are exempt this year. You still complete the Kickoff Form and an Exemption Form with evidence of the construction date. The cutoff year moves forward every year, so a later sale may fall under the rule.

Our 1985 house got new showerheads a few years ago. Does the fixture inspection still apply when we sell?

Yes. The rule is triggered by the building's age, not the fixtures', so any building finished on or before January 1, 1994 is inspected at sale. The plumber checks each fixture against the city's standards: showerheads rated at 1.8 gallons per minute or less, and toilets at 1.28 gallons per flush, with existing toilets of 1.6 gallons accepted. Anything that falls short is replaced.

Who pays to fix the sewer pipe under the street in front of a Morgan Hill house?

The owner. Morgan Hill treats the sewer line from the outside of the building to the main, including the connection to the city main, as the property owner's responsibility. Repairs in the street or sidewalk need an encroachment permit from Engineering, and the city's lateral grant program may help if the Letter of Approval arrives before work starts.

Is Morgan Hill tap water affected by the old road flare plant's perchlorate?

The perchlorate came from the Olin road-flare plant on Tennant Avenue, which operated from 1956 to 1995, and its plume once stretched about 10 miles, to east of Gilroy. When replacement water began in 2004, 188 domestic wells exceeded the drinking water limit; the Central Coast Water Board counted three at the end of 2023. The city's latest water report says its tap water met all federal and state standards.

We are on a private well near Morgan Hill. Can we get it tested for nitrate?

Valley Water says elevated nitrate and perchlorate turn up in some South County wells, and it collects free samples for domestic wells in its groundwater benefit zones W-2, W-5, W-7 and W-8, testing for nitrate, bacteria, hardness and more. Outside those zones it recommends testing every year at an accredited laboratory, and sooner if the water's taste, odor or color changes.

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