
Selling Your Home? Sort These Plumbing Items First
Every item on this list costs less to fix now than it does to concede at the negotiating table.

41 guides · Written by working plumbers
Straight answers about the problems we actually get called about in Catonsville. Several of these will save you a service call, which is fine by us.
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Every item on this list costs less to fix now than it does to concede at the negotiating table.

Every item on this list costs less to fix now than it does to concede at the negotiating table.

Whether the sink can move is decided by joist direction and drain slope. Find that out before the cabinets are ordered, not after.

Some of these you can fix yourself in ten minutes. Others need a plumber. Here is how to tell which you have.
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Everything here comes from work we have actually done — no filler, no fear-selling, and several of these will save you a service call.
4 guides

How much damage a burst pipe does is decided in the first ten minutes. Here is the order to do things in.

Where the water is coming from decides everything. A fitting is a repair; the tank body is not.

Three completely different causes produce the same wet floor. Working out which you have decides whether the fix costs a little or a lot.

Ten minutes today. In an older Maryland house these valves seize from disuse, and discovering that during a flood is the worst possible timing.
6 guides

Some of these you can fix yourself in ten minutes. Others need a plumber. Here is how to tell which you have.

The classic humming disposal is a jam, not a dead motor. Here is the five-minute fix — and how to tell when it really is finished.

Work through it in order. The most common cause costs a few dollars to fix; the least common is serious and needs finding fast.

It makes almost no noise, so it gets noticed on a water bill rather than in the bathroom. The part costs a few dollars.

Before anyone digs up your yard, work through the list in order. Two of the six cost almost nothing to fix.

A pinhole inside a wall can drip for a year before a stain appears. By then the repair is the small part of the bill.
5 guides

Tankless is not automatically better. Here is when it wins, when it does not, and the local factor most comparisons leave out.

A tank rated for a decade often gives six or seven years here. The reason is measurable, and so is the fix.

A tank has somewhere to put sediment. A heat exchanger does not. That single difference is why tankless needs annual attention here.

A 40-gallon with strong recovery beats a 50 with weak recovery for a family showering back to back. Gallons is the wrong number to shop on.

Half an hour a year is the difference between a heater lasting six years and lasting twelve. Here is how, and when not to.
4 guides

Sizing is arithmetic, not a sales tier. Here is the calculation, and what goes wrong when a unit is too small or too big.

Well water is specific to your parcel. Buying treatment from a regional assumption is the most expensive mistake in this space.

The short answer is yes. The longer answer is that what happens between the main and your tap is your responsibility, not the utility's.

Our water runs 120–141 PPM. That is enough scale to take years off a water heater and seize the shutoff valves under every sink in the house.
6 guides

The rules are stricter in an old house than a new one, because a scaled cast iron wall catches things smooth PVC would pass.

Lining needs a host pipe to line. Here is exactly what the camera has to show before trenchless is even on the table.

One clears the blockage. The other cleans the pipe wall. Using the wrong one is why some drains get cleared every year forever.

Grease is liquid going down and solid three feet later. On a scaled cast iron wall it sticks — and that is your annual backup.

If you have cleared the same drain twice, the third clearing is not the answer. Here is what is actually happening inside the pipe.

The oaks that make these streets beautiful are the same ones inside your sewer line. Here are your four realistic options.
3 guides

Grey, flexible, stamped PB2110. If your house was built between the late 1970s and mid 1990s, it is worth ten minutes in the basement.

Both are code-approved and both will outlive the galvanized they replace. In an old house with plaster walls, one of them opens far fewer of them.

Galvanized steel corrodes from the inside out, so the failure is invisible until it is not. Here is how to tell where yours is on that curve.
4 guides

Whether the sink can move is decided by joist direction and drain slope. Find that out before the cabinets are ordered, not after.

Tile is expensive and permanent. Everything on this list is cheap to get right before it goes on and painful afterward.

If a distant bathroom takes a minute to run hot, you are pouring several gallons down the drain every time. Here is the fix.

One measurement decides the entire budget — whether your basement floor sits above or below the sewer lateral leaving the house.
3 guides

Every item on this list costs less to fix now than it does to concede at the negotiating table.

A standard home inspection does not include the sewer line. On a pre-1970 house, that is the most expensive thing nobody looked at.

A standard home inspection covers a lot and misses the four plumbing items most likely to cost you five figures.
3 guides

The storm that fills your pit is the same storm that takes down the transformer. Here is the twenty-minute check that prevents most flooded basements.

Freeze damage happens in four predictable places. Fixing them in November costs a fraction of thawing and repairing in January.

Almost every emergency we attend was visible a year earlier. Here is the checklist, split by season, and which parts you can do yourself.
2 guides

What needs one, what does not, and why a contractor offering to skip it is telling you something important.

If you smell gas, leave first and call from outside. Everything else on this list is about the warnings that come earlier.
1 guides

The repair bill is rarely the biggest cost. A restaurant that cannot use its sinks is closed, and that is the number that matters.
Call and describe it. We will tell you honestly whether it is a fifteen-minute fix you can do yourself or something we should come and look at.