Quick price snapshot
| Your Problem | What It’s Called | Ironclad Price | Austin Range | Ask Why If Over |
|---|---|---|---|---|
| Shutoff valve under sink or behind toilet is stuck/leaking | Shutoff valve replacement (single) | $175 | $100-$275 | Over $325 |
What this price usually includes
This page isolates Ironclad’s published number for shutoff valve replacement (single) so you can compare one quote against the Austin market before you book anyone.
At Ironclad, the published reference point is $175. The broader Austin range we track is $100-$275. If you are being quoted over $325, the burden is on the company to explain the access problem, code upgrade, emergency timing, or scope change that pushes it there.
What moves the number up or down
Final pricing usually changes for one of four reasons: access, material grade, code-driven add-ons, or bundled work discovered after diagnosis. A clean quote should spell out which of those is driving the difference instead of hiding it behind vague line items.
Detailed breakdown
Ironclad price: $175 | Austin range: $100–$275
The shutoff valve under a sink or behind a toilet is stuck, leaking, or won’t fully close. Tech replaces it with a new quarter-turn ball valve. 20-40 minutes.
Where your $175 goes at Ironclad:
You pay: $175.00
Credit card processing: - $5.25
Net to company: $169.75
Materials (ball valve +
compression fitting): - $15 (9%)
Technician labor (30 min): - $28 (16%)
Truck / drive / dispatch: - $55 (32%)
Overhead: - $40 (24%)
Company profit: $31.75 (18%)
Small job. Thin margin. But important: a shutoff valve that doesn’t work is useless in an emergency. If you turn the valve under your sink and water still flows, that valve needs replacing. Do it proactively, not when water is spraying.
What makes it cost more than $175:
- The valve is soldered (not compression) and the plumber needs to sweat a new one on. Adds 15-30 minutes and requires a torch. ~$225-$275.
- The valve is in a hard-to-access location. Behind a pedestal sink, deep in a cabinet, or behind a built-in. Tight access = more time.
- You’re replacing multiple valves on the same visit. Per-valve cost drops. Doing all shutoffs in a bathroom (toilet + two sink valves) should be ~$375-$450 total, not $175 x 3.
Pro tip: When a plumber is at your house for any reason, ask them to test the shutoff valves at the fixtures they’re working on. If any won’t turn, bundle the replacement into the current visit. It’s cheaper than a separate trip and you avoid discovering a non-functional shutoff during an actual emergency.
How to compare this quote
Use this checklist before you approve the work:
- Does the scope clearly match shutoff valve under sink or behind toilet is stuck/leaking or is the company quietly selling a bigger job?
- Are they showing why the quote is above Over $325 with photos, test results, or code notes?
- Are disposal, permit, restoration, and emergency premiums separated so you can see what is real and what is markup?
- If another option exists, did they quote it side by side instead of forcing one path?
If the answer is no, step back and compare against the full Austin plumbing price guide before approving anything.