Plumbing · Property Services

Bathroom & Kitchen Caulking

Cracked or moldy caulk around Bay Area tubs, showers, and sinks is more than an eyesore — it's an open invitation for water damage. NorTech connects you with vetted local providers who remove old caulk and apply fresh silicone for a clean, watertight seal backed by a warranty of at least 30 days. Enter your ZIP to see the price before any work begins.

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Your pro backs the work for at least 30 days
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Professional bathroom and kitchen caulking across the Bay Area

Whether you are refreshing a Craftsman bungalow bathroom in Oakland, sealing the kitchen countertops in a Sunnyvale townhome, or turning over a short-term rental in San Francisco, fresh caulk is the detail that signals a well-maintained home. NorTech connects you with background-checked, vetted local providers who remove deteriorated caulk, prep and dry the substrate, and apply a clean silicone bead around tubs, showers, sinks, and countertops — all at a price you approve before any work begins. No hourly surprises, no ambiguous invoices. From the Peninsula to the East Bay and South Bay, your provider arrives with the right materials to protect your surfaces and leave a watertight finish.

Every caulking scenario in bathrooms and kitchens, one trusted platform

Bay Area homes face a wide range of caulking needs: bathtub and shower surrounds where the silicone has shrunk or cracked after years of thermal cycling, undermount and drop-in sink perimeters pulling away from stone or laminate countertops, tile-to-countertop seams in older kitchens, and shower niches or pan edges where mold has worked its way under the bead. Vetted independent providers handle all of it — old caulk removal, surface cleaning and drying, and a fresh application of mold-resistant silicone. NorTech lets you choose local specialists serving single-family homes, multi-unit properties, high-end residential, rental turnovers, property managers, and short-term-rental hosts who need a clean, guest-ready bathroom on a tight timeline.

Where the old caulk goes and what replaces it

Caulk fails slowly: it yellows, pulls away from the tub edge, then lets water slip behind it. Your provider cuts out the old bead, cleans and dries the joint, lays fresh silicone and tools it smooth. Tubs, showers, sinks, backsplashes and countertop seams are all fair game, and extra areas are added one at a time on the booking screen, so a bathroom-only job and a full kitchen-and-bath refresh are each priced from what you actually select.

When to book bathroom & kitchen caulking

The caulk line around your tub or shower has visible gaps, cracks, or has separated from the tile, letting water seep behind the wall.
Black or pink mold has grown into the existing caulk bead and cannot be scrubbed clean — the bead needs to come out entirely.
You are selling, renting, or listing your home and the bathroom caulk looks yellow, shrunken, or grimy in listing photos.
Your kitchen sink perimeter caulk has pulled away from the countertop, allowing water to pool underneath and risk cabinet damage.
You just had new tile, a countertop, or a fixture installed and the installer left the sealing step to you.
You are turning over a rental or vacation unit and want every wet joint resealed the same way before the next guest or tenant arrives.
30-Day Warranty
Backed by your provider’s warranty. If covered work fails, your provider makes it right — free.

Looking for a licensed plumber? Bigger jobs and anything that needs a permit go to a verified California C-36 contractor. See licensed plumber services.

Frequently asked

Bathroom & Kitchen Caulking — common questions

You choose the areas to be recaulked, and each additional area is added on the booking screen. A tub surround and one vanity costs less than a tub, a shower, two sinks and a kitchen backsplash, and the total is displayed before you book. Removing the old caulk and prepping the surface are part of the job, not extras.

Yes. Your pro backs every caulking job for 30 days or more. If the new bead lifts, cracks, or fails within 30 days of the completed job, your provider will make it right at no additional charge. Before-and-after photos are taken on every job so the baseline is documented.

Applying fresh silicone over old caulk almost always fails quickly — the new bead cannot bond properly to a degraded surface. Vetted providers on NorTech remove the existing bead, clean and fully dry the substrate, and then apply the fresh silicone line. That prep work is what makes the new caulk last.

A standard appointment covers the caulk lines around tubs, showers, sinks, and countertop perimeters within a bathroom or kitchen. If you have multiple bathrooms or both a kitchen and bathrooms to address, enter the details when booking and your price will reflect the full scope before you confirm.

Most silicone caulks used by providers reach a surface cure in about 30 minutes and a full waterproof cure within 24 hours. Your provider will give you specific guidance based on the product used, ventilation in the space, and Bay Area humidity conditions on the day of the job.

Clear the area around the tub, shower, or sink so the provider has unobstructed access. The surface should be as dry as possible — avoid running water in that bathroom or kitchen for at least a few hours beforehand if you can. Your provider will handle the rest: removal, cleaning, drying, and application.

Didn’t find your answer? Nova, our AI assistant, is in the chat bubble in the bottom-right corner and can help anytime.

What homeowners say

Bathroom & Kitchen Caulking reviews

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