A toilet that overflows or leaks across the floor cannot wait until morning. Our line for toilet repair in Marina is open 24/7, so you can call at 2 a.m. or on a holiday and reach a person who can send help. While you wait, turn the small valve behind the toilet clockwise to stop the water, lift the lid and hold the float or flapper up if the tank keeps filling, and keep everyone off wet floors near outlets.
Most toilet calls come down to a few causes. The flapper or fill valve has worn out, the drain is blocked, or the seal under the bowl has failed. We handle repair and full toilet installation, and we explain the options and the clear price before work starts. Same-day appointments are offered when available, and after-hours calls get the same careful diagnosis as daytime ones.
Toilet overflowing or leaking right now? Do this first
Stop the water
Close the shutoff valve on the wall or floor behind the toilet. Turn it clockwise until it stops. If it will not move, close the main shutoff for the house.
Do not flush again
Another flush adds more water to a bowl that may already be blocked. Remove the tank lid and lift the flapper only if you need to see why the tank keeps running.
Protect the floor and the power
Throw towels around the base and keep people away from wet floors near outlets. If water is reaching a ceiling below or an outlet, switch that circuit off at the panel.
Check other drains
If the shower or sink gurgles or backs up too, the problem is deeper than the toilet. Stop using all drains and tell us when you call.
If you smell gas anywhere in the building, leave, call 911 and then the gas utility before you call us. A water problem can wait a few minutes. Gas cannot.
Symptoms and what they usually mean
A toilet gives clear signals about what has failed. This table covers the problems people call about most often and what we usually find.
| Symptom | Usual cause | Typical fix |
|---|---|---|
| Water runs after the flush | Worn flapper or a fill valve that will not shut off | Replace the flapper, fill valve or both |
| Weak flush, slow bowl | Partial clog or blocked rim jets | Auger the trap, clear the jets |
| Gurgling after a flush | Blocked drain or a venting problem | Clear the line and check the vent |
| Water around the base | Failed wax ring or loose closet bolts | Reset the toilet with a new seal |
| Tank sweats or drips | Condensation, or a cracked tank or loose tank bolts | Replace bolts and gaskets, or the tank |
| Toilet rocks side to side | Loose bolts or a damaged flange | Re-secure or repair the flange |
Running toilets and the water bill in MCWD territory
A running toilet often sounds minor, but it can pass a surprising amount of water. Marina Coast Water District rules say leaks and defects must be repaired within 72 hours, and the pipes and fixtures beyond the meter are the customer's responsibility. That makes a running toilet your repair, not the district's.
District code lets MCWD consider a credit for water lost to a leak only in some cases, and it is discretionary, so do not count on it. The cheaper path is fixing the flapper or fill valve early. A simple test is to add a few drops of food coloring to the tank and wait. If color shows in the bowl without a flush, the flapper is leaking.
Clogs, gurgling and when the problem is bigger than the toilet
A single blocked toilet usually clears with an auger. When a toilet clog keeps returning, we look for what is feeding it. Wipes sold as flushable, excess paper and small objects are common, and MCWD asks customers to flush only human waste and toilet paper.
MCWD also names multiple indoor drains backing up at the same time as a sign of a larger problem. If the tub gurgles when you flush, the blockage is probably past the toilet, in the building drain or the side sewer. According to MCWD code, the property owner maintains the side sewer, so a main-line clog is the owner's repair.
In that case we move from the toilet to the line. Drain cleaning clears most blockages, and a camera run from sewer inspection shows what is causing repeat backups.
Base leaks, wax rings and cracked bowls
A toilet sits on a flange and a wax or foam seal. When that seal fails, water seeps out at the base with every flush. Sometimes the toilet is only loose. Sometimes the flange has cracked or rusted, and the bolts no longer hold anything.
- We pull the toilet, inspect the flange and subfloor, and replace the seal.
- If the flange is damaged, we repair it so the new seal can hold.
- If the bowl or tank is cracked, repair is not possible and replacement is the honest answer.
- Soft flooring around the base is flagged before we reset anything.
Repair, replace and the MCWD toilet rebate
Published cost guides in 2025 show national figures only, and most do not give California numbers. Treat these as typical ranges, not a Marina quote. We give you a clear price before work starts.
| Job | Typical national range (2025 guides) |
|---|---|
| Most toilet repairs | $150 to $391 |
| Running toilet | $100 to $400 |
| Leaking toilet | $100 to $600 |
| Clog clearing | $85 to $600 |
| Wax ring replacement | $50 to $200 |
| Toilet installation | $224 to $533 |
Replacement makes sense when the toilet is cracked, constantly clogs, or wastes water. MCWD lists a rebate of up to $300 per unit on high-efficiency toilets and urinals. Check the district's current rules and qualifying models before you buy, because the rebate has conditions. Fixture swaps and new supply lines also fall under plumbing installation.
Hard water and rental homes in Marina
MCWD reported average hardness of about 10.5 grains per gallon in 2025, with readings up to roughly 19. Hard water leaves mineral crust on fill valves, flush valve seats and the small rim holes under the bowl. That crust is why some toilets weaken or run even when the parts are fairly new.
Marina has more renters than owners, since about 43 percent of homes are owner-occupied. If you rent, close the shutoff valve and tell your landlord right away, then call us if they ask you to arrange the repair. Tenants who delay can end up with water damage that is harder to explain later.
Frequently asked questions
Yes. Our line is open 24 hours a day, seven days a week. Call (855) 575-2890 and tell us what the toilet is doing. We offer same-day appointments when available, including for overnight and weekend calls.
Shut the valve behind the toilet, stop flushing and put towels around the base. If other drains are slow or gurgling, stop using all water fixtures and tell us.
The flapper is usually leaking, or the fill valve is not shutting off. Hard water deposits can keep either part from seating. We replace the worn part and test the tank for leaks.
Repair works for worn parts and failed seals. Replacement is better for cracked porcelain, repeated clogs or an old high-volume toilet. We explain both and give the clear price before work starts.
MCWD lists a rebate of up to $300 per unit for high-efficiency toilets and urinals. Qualifying models and conditions change, so confirm them with the district before you purchase a toilet.
Yes. We remove the old toilet, check the flange and supply line, set the new fixture and test it. Larger remodel work is covered on our plumbing installation page.
A toilet sits on your side of the water meter, so a leak there is the owner's repair, not the district's. MCWD also expects leaks to be fixed within 72 hours.




