What to ask, what a plumber checks and what records to gather when you buy or sell a lake-area home with a grinder pump.

A grinder pump is a normal part of many homes in Lago Vista and around Lake Travis, and it does not have to scare off a buyer or a seller. What matters is the pump's age and condition, who owns it, and whether anyone has kept up with it. This guide covers what to ask, what a plumber checks, and what to gather before you list.
Not by itself. A grinder pump moves wastewater from your home up to the sewer main, which is how many lake-area and hillside homes connect. One that works, has been serviced and has records is an ordinary system. One with no records, an unknown age and a history of alarms is a repair risk, and you want to know that before closing.
Ask the seller or the agent directly, and look for an alarm panel on an outside wall or post and a lid in the yard near the house. The closing paperwork may also mention a grinder pump, lift station or low-pressure sewer. Our grinder pump guide shows what these parts are.
It depends on where the home is. In Lago Vista, the homeowner typically owns and maintains the pump, the tank, the alarm panel and the line up to the city's main, and the city maintains the main. In The Hollows, homeowners own their grinder pump as well. Some utilities elsewhere own the pump, and the homeowner only provides power and access.
Ask for the answer in writing: who owns it, who services it, and whether anything changes at closing. If the paperwork does not say, ask the city or the HOA.
Where are the tank lid and the alarm panel?
How old is the pump, and what are its make and model? The data tag lists them. Lakeway homes, for example, use E/One pumps.
Has it been serviced, and can I see the receipts?
Has the alarm gone off? When, and what was done about it?
Has anything been replaced, such as the pump, a float or the check valve?
Does the pump have its own breaker, and where is it?
Who owns it, and who services it?
A seller who can answer these quickly has probably looked after the system. Missing answers are worth a closer look.
A home inspection looks at the whole house. A plumber who works on these pumps can look closely at this one system. A pump check covers:
Finding the tank, lid and panel, and checking the lid seal and the condition of the tank
Testing the alarm and the panel
Running the pump to confirm it starts, pumps the tank down and shuts off
Checking the floats and the check valve
Looking at the wiring, the breaker and any corrosion
Reading the data tag for make, model and age
Telling you what is worn and what a repair or replacement is likely to cost
Alarm repair starts at $750. A full replacement in Lago Vista runs $6,000 to $12,000 installed. A home on a hillside, or with a long run to the city main, costs more, and a good quote shows you why. We give you a written price before any work starts.
If the pump is old or the alarm has been a problem, raise it with your agent while you can still negotiate. A written price for the repair or replacement gives you a number to bring to that conversation.
Find the data tag and write down the make, model and age.
Gather the service records and receipts.
Have the pump checked, and fix known problems, such as an alarm that keeps coming back.
Confirm who owns it and put that in writing for the buyer.
Tell your agent about the pump early, and ask how to cover it in your seller's disclosure.
Show buyers where the lid and the alarm panel are.
A pump with records and a recent check answers the buyer's questions before they ask.
We can check the pump and give you a written price for anything it needs. Our grinder pump service covers repair, replacement and alarms, and our $65 trip charge is credited toward the work when you schedule the job. We are a family-owned company, and have been since 2018.
We are plumbers, not appraisers, so ask your agent how your market sees it. What we can tell you is the pump's condition, its age and the repairs it is likely to need. A working pump with records leaves less to negotiate.
Yes, if the seller cannot show its age and service history, or if the alarm has been going off. Do it while you can still negotiate.
The owner of the pump. In Lago Vista that is typically the homeowner. Whether the seller covers anything is a matter for your contract, so ask your agent.
$6,000 to $12,000 installed in Lago Vista. Our grinder pump guide explains what changes the price.