Fixtures
Under-Sink Water Filtration Installation
An under-sink filtration system ties into your existing cold water line and a dedicated faucet, giving you filtered water on demand without giving up counter or fridge space.
We install under-sink water filtration systems — single-stage carbon filters, multi-stage RO (reverse osmosis) systems, and whole-cartridge setups — tying into the cold water supply line and adding a dedicated air-gap faucet at the sink.
In older NYC kitchens, this often means working around limited cabinet space and confirming there's a viable spot for a small RO drain line and, where needed, an air-gap fitting that meets code. We size the system to your household's water usage rather than defaulting to whatever unit is easiest to install.
Warning Signs
Signs You Need Under-Sink Water Filtration Installation
Relying on bottled water or a countertop pitcher filter
Renovating a kitchen and want a built-in filtered water tap
Noticeable chlorine taste or odor from the tap
Installing a new refrigerator with a filtered water/ice line
Replacing an old or leaking under-sink filter housing
Our Process
How It Works
System selection
We help you choose between carbon, multi-stage, and RO systems based on your water and household needs.
Supply line tie-in
The system connects to the cold water supply line under the sink.
Faucet & drain install
A dedicated filtered-water faucet is installed, with an RO drain line and air gap where applicable.
Test & walkthrough
The system is tested for leaks and flow, and we walk you through filter change intervals.
Pricing Guidance
Typical Cost Factors
Filtration installation costs depend on the system type and any drain or air-gap work required, so pricing follows a quick assessment. What typically factors in:
Final pricing is confirmed after assessing your cabinet space and chosen system.
NYC Considerations
What's Different About NYC Housing
- Older NYC kitchens often have tighter under-sink cabinet space than newer construction, which affects which system sizes fit comfortably
- Co-op and condo buildings may have specific rules about drain connections for RO systems worth confirming with management
- Buildings on older municipal supply lines sometimes see more noticeable chlorine taste, a common reason residents choose filtration
Our Work
Before & After
Photo gallery of specific completed jobs coming soon — here's what the visit typically looks like.
Under-Sink Water Filtration Installation photos coming soon
Under-Sink Water Filtration Installation photos coming soon
Reviews
What Homeowners Say
“I had a leak in my living room ceiling and couldn't figure out where it was coming from. Keon and his employee showed up quickly after I reached out. They were professional, patient, and took the time to explain everything to me.”
Lisa B.
Brooklyn, NY · Pipe Repair
“Worked on the complicated pipes in our 125-year-old home. We were satisfied with the work and would hire again.”
Makeba D.
Brooklyn, NY · Pipe Repair
“Keon was able to come the same day. He was very meticulous pinpointing the issue and tried to be as minimally invasive as possible.”
Elias Z.
Brooklyn, NY · Pipe Repair
Service Area
Under-Sink Water Filtration Installation Across New York
Choose your borough for local details and neighborhood coverage.
FAQ
Frequently Asked Questions
Carbon filters improve taste and odor and are simpler to install; RO systems remove a broader range of contaminants but require a drain line and periodic membrane replacement.
Most systems fit in a standard under-sink cabinet, but we confirm clearance during your estimate, especially in older NYC kitchens with limited space.
It depends on the system and your water usage, typically every 6-12 months for carbon stages; we'll give you the specific schedule for your unit.
Yes, we can run a filtered water line to a fridge with an ice/water dispenser as part of the installation.
Typically no for a standard under-sink unit, since it doesn't alter the building's main supply — we'll flag it if your specific setup is an exception.
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Need Under-Sink Water Filtration Installation?
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