Bathroom sink installation can mean replacing a basin, fitting a sink into a counter, changing a pedestal or wall-mounted unit, or adapting the drain and supply connections. The right plan depends on the sink type, opening, plumbing location, and condition of surrounding surfaces.
Check Compatibility First
Measure the opening, cabinet, wall space, and drain location before selecting a sink. Confirm whether the faucet mounts to the sink, countertop, or wall, and whether the basin is compatible with the existing drain position. A small mismatch can require more alteration than expected.
What May Be Checked
The existing shutoffs, supply lines, drain, trap, mounting surface, and nearby caulking may be inspected. Water damage under a cabinet or around the wall can affect the work. A new sink may also expose the need to correct an old or poorly supported connection.
Choose The Installation Type
An undermount, drop-in, pedestal, vessel, or wall-mounted sink each has different support and finishing needs. Choose based on available clearance, cleaning preferences, storage, accessibility, and how much surface modification is acceptable.
Prepare The Space
Have the sink, faucet, drain components, mounting hardware, and instructions available. Empty the cabinet, protect flooring, and identify the water shutoffs. Do not remove the existing sink if the replacement opening or support has not been confirmed.
Questions Before Work
Ask whether the countertop or wall needs modification, whether the faucet and drain are included, and how the finished connections will be tested. Scope may include sealing, support, supply-line replacement, drain adjustment, or correction of hidden water damage.
What To Do Next
If the current sink is leaking, close the shutoffs when possible and limit use. A local independent provider can assess the space and identify the parts needed for a sound installation.