InstaBidsPlumber in Los Angeles, CA: written quotes on one scope
For a Los Angeles plumbing job, request written quotes against one scope.Los Angeles's permit page sets out a permit rule that begins “Plumbing Permits are required” (read 17 October 2026), quoted below.69.9% of Los Angeles's homes were built before 1980 (Census ACS 2020-2024).
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.
- 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
MCP connector · REST API · plain HTMLHand 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.
- MCP connector URL
https://instabids.ai/api/agent/mcp - Agent API (OpenAPI)
https://instabids.ai/openapi.json - Start-request link
https://instabids.ai/intake?from=hire-plumber--ca--los-angeles&utm_source=us&utm_medium=page&utm_campaign=hire&page_type=hire&place=los+angeles%2C+CA#job=plumbing%20job - Prompt for any AI, with your job
- ChatGPTOpens with the prompt
- ClaudeOpens with the prompt
- GrokOpens with the prompt
- GeminiCopies the prompt, then opens
Every page is plain HTML. Steps for every assistant: add to your assistant.
Key facts for hiring a plumber in Los Angeles
- Los Angeles's permits FAQ: a permit rule that begins “A plumbing permit is required” (read 22 October 2026), quoted below.
- Los Angeles's permit page: a permit rule that begins “Plumbing Permits are required” (read 17 October 2026), quoted below.
- Half of Los Angeles's homes were built in 1965 or earlier (Census ACS 2020-2024).
- Los Angeles's homes by age: 43.8% (±0.3 points) were built in 1959 or earlier, 26.1% (±0.3 points) from 1960 to 1979, 16.4% (±0.2 points) from 1980 to 1999 and 13.6% (±0.2 points) in 2000 or later (Census ACS 2020-2024, margins of error at 90%).
How to get written quotes on one scope
- Describe the job once, using the scope checklist below, built from what we found for Los Angeles.
- 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 Los Angeles
- 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 Los Angeles permit the rule quoted below calls for, if your job is that work, and when the inspection is booked
- Whether your job is one Los Angeles's page quoted below lists, and who applies for the permit if one applies to your job
- 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 Los Angeles?
Los Angeles's permit page (read 17 October 2026): “Plumbing Permits are required for any installation or modification of drainage systems, waste and vent systems, fuel gas piping, potable water piping, rainwater piping, lawn sprinkler system, and subsurface drainage piping on swimming pool water circulating systems.” Open Los Angeles's source page
Los Angeles's permits FAQ (read 22 October 2026): “A plumbing permit is required for the installation of any gas piping, except piping less than 6 feet in length between an existing gas outlet and a gas appliance in the same room.” Open Los Angeles's source FAQ
Los Angeles's permit page (read 31 October 2026): “Various documents and signatures are required at permit issuance. In your next steps, you will need to identify who will sign for and pay for this permit. You may obtain a permit as an Agent, an Owner, or a Contractor.” Open Los Angeles's source page
What license does a plumber need in California?
California's licensing board, in its own words: “C-36 - Plumbing Contractor”
What in Los Angeles changes the job
Ask how the quote handles original supply or drain lines the work uncovers.
Median hourly wage for Plumbers, Pipefitters, and Steamfitters in the Los Angeles-Long Beach-Anaheim, CA area, May 2025: $34.19 (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
- Los Angeles permit page, read 17 October 2026: dbs.lacity.gov
- Los Angeles permit page, read 31 October 2026: dbs.lacity.gov
- Los Angeles permits FAQ, read 22 October 2026: dbs.lacity.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 OEUM003108000000047215208), 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.