Plumber in San Diego, CA: written quotes on one scope

To hire a plumber in San Diego, CA, describe the job once and ask for written quotes on that one scope. The city permit page names plumbing system alteration, addition or replacement as permit work (read 17 October 2026).

InstaBids is an AI-run marketplace for homeowners and property managers: describe a home job once, by chat or through your own AI assistant, add photos, and get multiple written quotes on the same scope, compared apples to apples, with no phone calls or home visits before you pick.

By InstaBids editorial team with AI research agents. Sources read: 17 October 2026 Latest source read: 22 October 2026 Updated 2026-11-03

Describe it onceBy chat, or through your own AI assistant, and add photos.
Post it and send itContractors bid in writing on that scope.
Compare line by lineEvery quote is written against the same scope.
You chooseContact details stay hidden until you pick and they confirm.

For your AI assistant

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Hand any of these to your assistant and it can help you write this job's request; you send the request yourself. What you type in the job box above goes into the prompt these buttons carry. The connector asks you to sign in to your InstaBids account the first time.

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Start-request linkhttps://instabids.ai/intake?from=hire-plumber--ca--san-diego&utm_source=us&utm_medium=page&utm_campaign=hire&page_type=hire&place=san+diego%2C+CA#job=plumbing%20job
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Key facts for hiring a plumber in San Diego

How to get written quotes on one scope

Send the same written scope to every bidder. Ask each quote to say who applies for the City of San Diego permit and who books the inspection, since the city permit page names plumbing system alteration, addition or replacement as permit work (read 17 October 2026).

Describe the job once, using the scope checklist below, built from what we found for San Diego.
Post it on InstaBids and send it.
Every quote is written against the same scope, so they compare line by line.
You choose who gets your number.
Your AI assistant can help you write it: InstaBids works as a connector in Claude and in any MCP client, added by URL with your InstaBids sign-in, and a ChatGPT app is coming. You send the request yourself. Connect an assistant

Your written scope for a plumbing job in San Diego

The City of San Diego What Permits Do I Need page names water heater replacement as Simple MEP permit work for single-family homes and duplex buildings (read 17 October 2026).

Half of San Diego homes were built in 1979 or earlier (Census ACS 2020-2024, read 17 October 2026), so ask each water heater quote to list the gas, vent and water connections it will change, and who pulls the permit.

What the job covers: which fixtures, pipes or water heater, with size, type and location
If your home was built before 1960, ask how the quote handles original supply or drain lines the work uncovers
Who pulls the San Diego permit for plumbing system alteration or replacement, and when the inspection is booked
Who pulls the San Diego permit for drain repair/replacement, and when the inspection is booked
Who pulls the San Diego permit for sewer pipe replacement or repair, and when the inspection is booked
Removal and disposal of the old parts or materials
Warranty terms on parts and labor, in writing

Do you need a permit for a plumbing job in San Diego?

San Diego's permit page (read 17 October 2026): “This permit is required for the alteration, addition or replacement of a plumbing system or portion of a plumbing system within or on any structure or premises and to comply with the minimum standards necessary to safeguard public health, safety and welfare.” Open San Diego's source page

San Diego's permit page (read 17 October 2026): “The following installations do not require plans but will require a Simple MEP Permit when installing or replacing these systems in single-family homes and duplex buildings.” “Drain-Repair/Replace (Roof, deck, or area drains.)” Open San Diego's source page

San Diego's permit page (read 17 October 2026): “The following installations do not require plans but will require a Simple MEP Permit when installing or replacing these systems in single-family homes and duplex buildings.” “Replacement or Repair of Wastewater/Sewer Pipe”. Open San Diego's source page

What license does a plumber need in California?

The California Contractors State License Board lists C-36, Plumbing Contractor, among its license classes (read 22 October 2026).

Its consumer page for hiring a contractor links to the board license lookup (read 22 October 2026).

California license lookup guide

San Diego sewer line repair

The City of San Diego What Permits Do I Need page names replacement or repair of wastewater/sewer pipe in its Simple MEP permit list for single-family homes and duplex buildings (read 17 October 2026).

In Census ACS 2020-2024 figures (read 17 October 2026), 20.5% of San Diego homes were built in 1959 or earlier and 31.9% from 1960 to 1979, so ask each sewer quote to name the pipe material it expects, the length it will replace and who pulls the permit.

52.4% of San Diego homes were built before 1980 (Census ACS 2020-2024, read 17 October 2026).

Ask how the quote handles original supply or drain lines the work uncovers.

Median hourly wage for Plumbers, Pipefitters, and Steamfitters in the San Diego-Chula Vista-Carlsbad, CA area, May 2025: $34.86 (U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics).

This is what workers in this occupation are paid per hour. It is not what a contractor charges for a job.

How does InstaBids work?

InstaBids does not hold payment for the work; you pay the contractor directly on the terms of the bid you accepted.

How is InstaBids different?

Each bidder appears under a stable label such as Contractor A, so you judge the work, not the brand.

Contact details stay hidden until the homeowner picks a contractor and they confirm the connection.

The contact-detail filter can miss disguised contact details.

Sources for the facts on this page

San Diego permit page, read 17 October 2026: www.sandiego.gov
San Diego permit page, read 17 October 2026: www.sandiego.gov
cslb.ca.gov, read 22 October 2026: www.cslb.ca.gov
cslb.ca.gov, read 22 October 2026: www.cslb.ca.gov
U.S. Census Bureau, American Community Survey 5-year (B25035), ACS 5-year 2020-2024, read 17 October 2026: api.census.gov
BLS Occupational Employment and Wage Statistics (series OEUM004174000000047215208), May 2025, read 17 October 2026: api.bls.gov
U.S. Census Bureau, American Community Survey 5-year (B25034), ACS 5-year 2020-2024, read 17 October 2026: api.census.gov

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.