Golden Plumbing · Learning Center
The Learning Center
What’s going on at your house? Ask it like you’d ask a neighbor — we answer honestly, prices and all.
Free diagnostic, no phone call. Goldie walks you through it and ends with a real price.
Start Here
Ask us anything
Five honest places to start — pick whatever’s on your mind.
What things cost Real Louisville prices — pulled straight from our pricebook, not a national average. See the prices What’s going wrong Symptoms & fixes. What that sound, leak, or smell actually means. Find your problem Honest tradeoffs This vs. that. When the pricier option is worth it — and when it isn’t. Weigh it out Best of Louisville Honest reviews — even on our competitors, even where we’re not your best call. Read the reviews Straight talk Honest takes on the plumbing industry — the stuff nobody says out loud. Hear it straight
Right Now
Most asked this month in Louisville
The real questions neighbors are typing in — with real answers waiting.
No Surprises
Cost guides, straight from our pricebook
The number you see is the number we’d quote. Here’s where most jobs start.
Water heater replacement from $1,800–$2,000 See the breakdown Tankless water heater from $5,300–$5,500 See the breakdown Garbage disposal from $600–$700 See the breakdown Drain cleaning from $200–$300 See the breakdown Sump pump replacement from $800–$900 See the breakdown Water softener & whole-home filter See pricing See the breakdown
Prices are the real thing, pulled from our pricebook.
Free diagnostic
Reading about a problem you actually have?
Ask Goldie walks you through it, question by question, and ends with a real price. No phone call, no waiting on hold.
Still want a human?
We’ll give you an honest estimate
No pressure, no upsell theater. A real person, a fair number, and a straight answer about whether you even need us.
81 articles
ComparisonsBattery backup vs water-powered sump pumps: which actually saves your basement (and what each really costs)Both keep your basement dry when the power's out, but they get there in completely different ways, and the sticker price only tells half the story.…Read →Straight TalkCan you buy your own toilet or faucet and have a plumber install it? (The honest answer)Yes. Golden Plumbing installs customer-supplied fixtures all the time: toilets, faucets, kitchen sinks, disposals, dishwashers, even a water heater bought from a big-box store or online.…Read →ProblemsClogged toilet or main sewer line? How to tell before you pay for the wrong fixCheck your other drains. If one toilet is clogged but every other fixture in the house drains normally, it's almost always a plain toilet clog, and…Read →ComparisonsCopper vs PEX: which is better for repiping?For most whole-home repipes today, PEX is the better value — it costs less (a 10-foot run runs about $300–$400 installed versus $500–$600 for copper), installs…Read →Straight TalkDo I really need a water softener in Louisville?Honest answer: most Louisville homes on city water don't strictly need a softener — our tap water is moderately hard, not the extreme hardness you'd fight…Read →Straight TalkDo you need a backwater valve for your Louisville basement? (The honest answer)Honest answer: not every Louisville basement needs a backwater valve, but a specific group of homes genuinely do. It's the fix for sewage backing up through…Read →Straight TalkDo you need a plumbing permit in Louisville? (What requires one, what it costs, how long it takes)Usually, yes, but it depends on the job. A repair, unclogging a drain, fixing a running toilet, swapping a faucet or disposal for a new one…Read →Straight TalkDoes insurance cover sewer backups and basement flooding? The honest answer (usually no, unless you add this)Usually, no. A standard homeowners policy pays for sudden, accidental water damage from something inside your own plumbing, like a burst pipe or a water heater…Read →Straight TalkFrozen pipes in Louisville: how to prevent them, and exactly what to do if one burstsDo two things before winter gets serious and this stays a non-event: insulate any pipe you can see running through an unheated space (crawl space, garage,…Read →ProblemsGarbage disposal leaking from the bottom? What it means (usually: time for a new one)Water dripping straight down from the underside of the metal housing, not from a hose or a fitting nearby, means the disposal's internal seal has failed.…Read →ComparisonsGas vs electric water heater: which is better for my home?The honest answer is that it mostly comes down to what your house is already set up for, not which fuel is "better." If you already…Read →ProblemsHow do I know if I have a slab leak? (Louisville warning signs)A slab leak is a water line leaking under the concrete foundation your house sits on, and it almost always shows up before you ever see…Read →Straight TalkHow long do water heaters really last? (The warning signs before it floods your basement)Honest answer: a standard tank water heater lasts about 8 to 12 years, and Louisville's hard water pushes most of them toward the low end of…Read →TimelineHow Long Does a Water Heater Replacement Actually Take?A standard 40 or 50 gallon tank swap is about half a day on site. Our pricebook bills 2.57 to 3.00 hours of labor, and the…Read →Pricing & CostHow much does a sewer camera inspection cost in Louisville? (And what it can and can't see)A sewer camera inspection in Louisville runs $300–$400, whether it's a mini camera run through an existing cleanout or a full inspection down the whole line.…Read →CostHow much does a tankless water heater cost in Louisville (installed)?A tankless water heater in Louisville runs $5,300–$6,600 installed for a natural gas unit. The low end is a mid-efficiency indoor tankless. The high end adds…Read →CostHow much does a water softener or whole-home filter cost in Louisville?A whole-home water softener runs $2,500–$4,000 installed in Louisville, and the number tracks tank size, roughly 1 to 2 cubic feet. A simple in-line carbon filter…Read →CostHow much does drain cleaning cost in Louisville?Most drain cleaning in Louisville is a flat-rate job in the low-to-mid hundreds. Clearing one bathroom sink drain with a cable is $200–$300, a branch line…Read →Pricing & CostHow much does gas line installation cost in Louisville? (Stove, dryer, grill, firepit, generator)Honest answer: there's no set price for a gas line, because pricing this job before we've seen it would be a guess dressed up as a…Read →CostHow much does it cost to fix a leaky faucet in Louisville?Fixing a leaky sink faucet in Louisville is a small, flat-rate job: a single-handle cartridge swap is $200–$300 on a kitchen faucet or $200–$300 on a…Read →CostHow much does it cost to install a toilet in Louisville?If you buy the toilet and we just set it, installation is $300–$400 (labor only). For us to supply and install, a standard round toilet is…Read →CostHow much does it cost to repair a toilet in Louisville?Most toilet repairs in Louisville are small, flat-rate jobs. A running or weak-flushing toilet is $200–$300 for a new fill valve or $300–$400 for a flush…Read →CostHow much does it cost to repipe a house in Louisville?A whole-house repipe is genuinely job-specific, so it's typically about $4,500 to $15,000 — a range, not a quote — because the price is built up…Read →CostHow Much Does It Cost to Replace a Garbage Disposal in Louisville?Replacing a garbage disposal in Louisville runs about $300 to $1,000. If you buy the unit yourself, install is $300–$400 (labor only). For us to supply…Read →CostHow much does it cost to replace a kitchen sink in Louisville? (Drop-in, undermount, and the farmhouse truth)Replacing a kitchen sink in Louisville runs about $700 to $2,000 installed, and the mount and the material decide where you land, not the brand on…Read →CostHow much does it cost to replace a main water line in Louisville?Replacing the main water line — the pipe from your meter to your house — has real flat pricebook numbers for a standard run. A full…Read →CostHow much does it cost to replace a sump pump in Louisville?Replacing an existing sump pump in Louisville runs about $800–$900 for a 1/3 HP unit to $900–$1,000 for a 1/2 HP. Adding a battery backup runs…Read →CostHow Much Does It Cost to Replace a Water Heater in Louisville? (2026 Prices)A standard tank water heater replacement in Louisville runs $2,100–$2,400 installed. A 40-gallon gas tank is $2,000–$2,200 and a 50-gallon is $2,200–$2,400, which covers the job…Read →CostHow much does remodel plumbing cost in Louisville? (Why nobody can quote it over the phone)Honest answer: there isn't one, and anyone who gives you one over the phone is guessing with your money. Remodel plumbing gets priced per opening, after…Read →CostHow much does sewer line repair cost in Louisville?Sewer work in Louisville starts with a camera inspection at $300–$400 — it tells us whether you even need a repair or just a cleaning. If…Read →CostHow much does shower valve repair cost in Louisville? (And when repair is doing you a disservice)Straight answer: a worn cartridge is the cheap fix, running $200–$600 depending on the brand, and rebuilding an older two-handle tub/shower faucet runs $300–$400. A full…Read →Straight TalkJust bought a Louisville home? The 10-point plumbing checklist for your first monthStart with four things in week one: find the main water shutoff and make sure it actually turns, read the real age off your water heater…Read →ProblemsMy basement is flooding. Here's what to do right now.Do these in order. Don't step into standing water until you know nothing electrical is sitting in it: outlets, a furnace, a washer, an extension cord.…Read →ProblemsNo hot water? Here's what's actually wrong (gas and electric)No hot water usually means one failed part, not a dead tank. On a gas heater it's most often the pilot or a bad thermocouple, a…Read →Straight TalkPlumbing inspections when buying or selling a Louisville home: what we check and what it saves youBuying: yes, and the sewer camera is the part that matters most. A general home inspection is a visual once-over. The inspector runs the faucets, flushes…Read →ComparisonsSalt vs salt-free water softeners: which actually works (and what 'salt-free' really does)Both actually help with hard water, but they don't do the same job. A salt-based softener (ion exchange) genuinely removes the calcium and magnesium that make…Read →ComparisonsShould I repair or replace my water heater?The honest rule of thumb is that age and the type of failure decide it. If your heater is under about 8 years old and the…Read →ProblemsSmell gas in your house? Do this right now (and who to call: plumber or LG&E)Leave first, figure it out second. Don't flip a light switch, light a flame, or unplug anything on your way out, because the danger is a…Read →VersusSnaking vs hydro jetting: which does your Louisville drain actually need?Snake it when one drain has a single clog. Most snaking runs $200–$400. Jet it when grease, roots, or repeat backups keep coming back, roughly $400–$800.…Read →ComparisonsTank vs tankless: which water heater should I get?It comes down to your hot-water habits and your up-front budget. A tank is cheaper to buy and install, simpler to service, and completely fine for…Read →ProblemsTankless water heater problems: error codes, the 'cold water sandwich', and the flush that fixes most of itNine times out of ten, a tankless water heater that's throwing error codes, swinging between hot and cold, or losing hot-water flow is dealing with scale.…Read →ProblemsTree roots in your sewer line: the warning signs, and what actually gets rid of themWatch for slow drains all over the house rather than just one, gurgling that shows up in more than one fixture, backups that get worse right…Read →VersusTrenchless vs dig: how sewer line repair actually works (and what we do)Trenchless relines or pulls a new sewer pipe through one or two small access holes, so most of your yard stays put. Digging opens a trench…Read →Straight TalkWater heater flushes and anode rods: what maintenance is real (and what's an upsell)Straight answer: the two maintenance jobs a tank water heater actually needs are real. A tank flush runs $100–$200 and clears out the sediment Louisville's hard…Read →ProblemsWater heater leaking? What to do right now (and when a leak means replacement)Two shutoffs, then breathe. Kill the heat first: turn the gas dial to OFF, or flip the water heater breaker on an electric unit, because a…Read →ReviewsWhat are the best toilet brands for a Louisville home?There's no single 'best' toilet, but there is a smart way to buy one. For most Louisville homes we install TOTO, Kohler, or American Standard —…Read →Straight TalkWhat should a plumber's estimate include? (Read this before you say yes to anyone)A real estimate has five things on it before anyone touches a wrench: the price, as an actual number, not "we'll see when we get there";…Read →Straight TalkWhat size water heater do you actually need? (Gallons, GPM, and household math)For most Louisville homes the honest chart is short: 1 or 2 people do fine on a 40-gallon tank, 3 or 4 people want a 50,…Read →Straight TalkWhat you should never put down your drains or garbage disposal (from the crew that unclogs them)Skip grease and cooking fat, fibrous scraps like celery and corn husks, starchy stuff like pasta, rice, and potato peels, bones, pits, and shells, and anything…Read →ReviewsWhat's the best kitchen faucet brand?There's no single 'best' kitchen faucet brand, but there is a smart way to choose. For most Louisville kitchens we trust Moen, Delta, and Kohler —…Read →ReviewsWhat's the best sump pump for a Louisville basement?There's no single 'best' sump pump, but there's a clear right way to choose one. For most Louisville basements we install Zoeller or Liberty. Both are…Read →Best-ofWhat's the best water heater for a Louisville home?For most Louisville homes, we install Bradford White or Ruud. They're contractor-grade tanks built with a brass drain valve and better internal parts where budget units…Read →Straight TalkWhen can a plumbing repair wait, and when can't it?Most plumbing problems are not emergencies, and paying after-hours rates for them is money you don't need to spend. Call right now for the short list…Read →HonestyWhen You Don't Need a Plumber: Fixes to Try FirstA lot of the calls we get are things you can fix in about five minutes for free. A running toilet, a jammed disposal, a tripped…Read →Best-ofWho are the best plumbers in Louisville? (Including our competitors)Louisville has several genuinely good plumbers. For big multi-trade work and 24/7 emergencies, Tom Drexler and Jarboe's have the fleet. For everyday residential plumbing, ASI is…Read →ProblemsWhy do my drains gurgle? (What that sound is really telling you)A gurgling drain almost always means air is getting trapped where water should be flowing freely — and that points to a venting or partial-clog problem,…Read →ProblemsWhy do my pipes bang or hammer when I shut the water off?That bang or hammer when a faucet, toilet, or appliance shuts off is called water hammer — fast-moving water slamming to a stop with nowhere to…Read →ProblemsWhy does my hot water run out so fast?If you're still getting hot water but it runs out faster than it used to, your tank usually isn't dead — something is eating into its…Read →ProblemsWhy does my house smell like sewer? (and the free fix to try first)A sewer smell in the house is almost always sewer gas sneaking past a drain that should be sealed — and the number one cause is…Read →ProblemsWhy does my water smell like chlorine? (And what actually fixes it)That bleach or swimming-pool smell is almost always the water utility's disinfectant, not a problem with your plumbing. Louisville Water and utilities like it keep a…Read →ProblemsWhy is my ceiling leaking below the upstairs bathroom? (Shower, tub, or toilet: how a plumber finds it)A ceiling stain or drip below an upstairs bathroom is almost always one of four things: the wax ring under the toilet, the tub or shower…Read →ProblemsWhy is my faucet dripping, and does it actually matter?A dripping faucet is almost always a worn part inside the faucet — usually a cheap washer, O-ring, or cartridge — not a sign your plumbing…Read →ProblemsWhy is my garbage disposal humming but not spinning?A garbage disposal that hums but won't spin almost always has a jammed flywheel — something is wedged between the spinning plate and the grind ring,…Read →ProblemsWhy is my outdoor faucet leaking? (And whether a frost-free hose bibb is worth it)Where the water shows up tells you what's wrong. A drip from the spout after you shut it off is a worn washer. Water seeping around…Read →ProblemsWhy is my toilet flushing weakly or not fully?A weak flush usually means the bowl isn't getting enough water fast enough to pull everything down — and the two cheapest things to check first…Read →ProblemsWhy is my water brown or discolored? (and is it safe?)Brown or rusty water almost always comes down to two free questions: is it the hot side, the cold side, or both, and is it just…Read →ProblemsWhy is my water heater rumbling or popping? (and what to do about it)That rumbling, popping, or crackling is almost always sediment. Hard-water minerals settle into a crusty layer on the bottom of the tank, water gets trapped underneath…Read →ProblemsWhy is my water pressure suddenly low? (Louisville plumber's checklist)Low water pressure usually traces to one fixable thing, not your whole plumbing. If it's just one faucet, it's almost always a clogged aerator (a free…Read →ProblemsWhy is there water around the base of my toilet?Water pooling at the base of a toilet has one big giveaway: when it shows up. If it appears right after you flush and it's dirty…Read →ProblemsWhy is there water under my sink? (P-traps, dishwasher lines, washer boxes, and shutoff valves)Water under a sink almost always comes from one of five places: the P-trap and its slip joints, the supply lines and shutoff valves, the faucet…Read →ProblemsWhy isn't my sump pump working (or running constantly)?A sump pump that won't run and one that never shuts off are opposite problems with a short list of causes each. If it's dead-silent, start…Read →ProblemsWhy won't my bathtub drain? (Hair at the stopper, the tub shoe, and when it's not the tub at all)Most of the time, a bathtub that drains slow or not at all is hair and soap scum caught at the strainer and the trap arm…Read →ProblemsWhy won't my toilet stop running? (usually a $10 part)A toilet that never stops running is almost always leaking water from the tank into the bowl, and the fill valve keeps topping it off to…Read →ProblemsWhy your drain keeps clogging (bellied pipes, buildup, roots, and the fix that finally sticks)A drain that clogs over and over isn't bad luck, and it usually isn't your family's fault either. Something inside the line is catching or narrowing:…Read →ProblemsWhy your toilet keeps clogging (and when an old low-flow toilet is the real culprit)A toilet that clogs once ate something it shouldn't have. A toilet that clogs every week has a standing reason, and there are really only four:…Read →ProblemsWhy Your Washing Machine Drain Overflows (And What Actually Fixes It)Nine times out of ten, that standpipe behind your washer is overflowing because lint, soap scum, and fabric fibers have narrowed the drain line until it…Read →ProblemsWhy your water heater's pilot light won't stay lit (thermocouple, drafts, and when to call)Hold the button and the pilot lights, let go and it dies: that's the classic sign of a worn thermocouple, the little copper sensor that sits…Read →More guidesCold Weather Plumbing Tips for Louisville: How to Prepare Your Pipes for Freezing TempsFreezing temperatures can arrive quickly in Louisville, and unprepared plumbing systems are at high risk for burst pipes and water damage. A few smart steps before and during cold …Read →More guidesFall Plumbing Maintenance Tips to Protect Your Louisville Home Before WinterFall is the best time for Louisville homeowners to prepare their plumbing for winter. Cooler temperatures, falling leaves, and seasonal storms can expose weak points in your system…Read →More guidesSigns Your Water Heater Is About to Fail and What Louisville Homeowners Should DoA failing water heater rarely stops working without warning. For Louisville homeowners, recognizing early signs of trouble can prevent cold showers, water damage, and costly emerge…Read →
Every article, all 81 of them
Straight answers to the questions Louisville homeowners actually ask us. No sign-up, no sales pitch — just what we would tell you on the phone.
Problems 32
- Clogged toilet or main sewer line? How to tell before you pay for the wrong fix
- Garbage disposal leaking from the bottom? What it means (usually: time for a new one)
- How do I know if I have a slab leak? (Louisville warning signs)
- My basement is flooding. Here's what to do right now.
- No hot water? Here's what's actually wrong (gas and electric)
- Smell gas in your house? Do this right now (and who to call: plumber or LG&E)
- Tankless water heater problems: error codes, the 'cold water sandwich', and the flush that fixes most of it
- Tree roots in your sewer line: the warning signs, and what actually gets rid of them
- Water heater leaking? What to do right now (and when a leak means replacement)
- Why do my drains gurgle? (What that sound is really telling you)
- Why do my pipes bang or hammer when I shut the water off?
- Why does my hot water run out so fast?
- Why does my house smell like sewer? (and the free fix to try first)
- Why does my water smell like chlorine? (And what actually fixes it)
- Why is my ceiling leaking below the upstairs bathroom? (Shower, tub, or toilet: how a plumber finds it)
- Why is my faucet dripping, and does it actually matter?
- Why is my garbage disposal humming but not spinning?
- Why is my outdoor faucet leaking? (And whether a frost-free hose bibb is worth it)
- Why is my toilet flushing weakly or not fully?
- Why is my water brown or discolored? (and is it safe?)
- Why is my water heater rumbling or popping? (and what to do about it)
- Why is my water pressure suddenly low? (Louisville plumber's checklist)
- Why is there water around the base of my toilet?
- Why is there water under my sink? (P-traps, dishwasher lines, washer boxes, and shutoff valves)
- Why isn't my sump pump working (or running constantly)?
- Why won't my bathtub drain? (Hair at the stopper, the tub shoe, and when it's not the tub at all)
- Why won't my toilet stop running? (usually a $10 part)
- Why your drain keeps clogging (bellied pipes, buildup, roots, and the fix that finally sticks)
- Why your toilet keeps clogging (and when an old low-flow toilet is the real culprit)
- Why Your Washing Machine Drain Overflows (And What Actually Fixes It)
- Why your water heater's pilot light won't stay lit (thermocouple, drafts, and when to call)
Straight Talk 16
- Can you buy your own toilet or faucet and have a plumber install it? (The honest answer)
- Do I really need a water softener in Louisville?
- Do you need a backwater valve for your Louisville basement? (The honest answer)
- Do you need a plumbing permit in Louisville? (What requires one, what it costs, how long it takes)
- Does insurance cover sewer backups and basement flooding? The honest answer (usually no, unless you add this)
- Frozen pipes in Louisville: how to prevent them, and exactly what to do if one bursts
- How long do water heaters really last? (The warning signs before it floods your basement)
- How Long Does a Water Heater Replacement Actually Take?
- Just bought a Louisville home? The 10-point plumbing checklist for your first month
- Plumbing inspections when buying or selling a Louisville home: what we check and what it saves you
- Water heater flushes and anode rods: what maintenance is real (and what's an upsell)
- What should a plumber's estimate include? (Read this before you say yes to anyone)
- What size water heater do you actually need? (Gallons, GPM, and household math)
- What you should never put down your drains or garbage disposal (from the crew that unclogs them)
- When can a plumbing repair wait, and when can't it?
- When You Don't Need a Plumber: Fixes to Try First
Cost 10
- How much does drain cleaning cost in Louisville?
- How much does it cost to fix a leaky faucet in Louisville?
- How much does it cost to install a toilet in Louisville?
- How much does it cost to repair a toilet in Louisville?
- How much does it cost to repipe a house in Louisville?
- How much does it cost to replace a kitchen sink in Louisville? (Drop-in, undermount, and the farmhouse truth)
- How much does it cost to replace a main water line in Louisville?
- How much does remodel plumbing cost in Louisville? (Why nobody can quote it over the phone)
- How much does sewer line repair cost in Louisville?
- How much does shower valve repair cost in Louisville? (And when repair is doing you a disservice)
Comparisons 8
- Battery backup vs water-powered sump pumps: which actually saves your basement (and what each really costs)
- Copper vs PEX: which is better for repiping?
- Gas vs electric water heater: which is better for my home?
- Salt vs salt-free water softeners: which actually works (and what 'salt-free' really does)
- Should I repair or replace my water heater?
- Snaking vs hydro jetting: which does your Louisville drain actually need?
- Tank vs tankless: which water heater should I get?
- Trenchless vs dig: how sewer line repair actually works (and what we do)
Pricing & Cost 7
- How much does a sewer camera inspection cost in Louisville? (And what it can and can't see)
- How much does a tankless water heater cost in Louisville (installed)?
- How much does a water softener or whole-home filter cost in Louisville?
- How much does gas line installation cost in Louisville? (Stove, dryer, grill, firepit, generator)
- How Much Does It Cost to Replace a Garbage Disposal in Louisville?
- How much does it cost to replace a sump pump in Louisville?
- How Much Does It Cost to Replace a Water Heater in Louisville? (2026 Prices)