Wholesale Top Mount Bathroom Sinks for Multifamily & Commercial Projects

Wholesale top mount bathroom sinks (also called drop-in) install from above the countertop without requiring a polished interior cutout edge — compatible with laminate, solid surface, and stone, with the fastest install time and lowest fabrication cost per unit. Developers, general contractors, and procurement teams source top mount across standard multifamily, student housing, and value hospitality vanities; undermount is the mid-tier and luxury upgrade for stone or quartz vanities. Allora USA stocks top mount bathroom sinks in white porcelain oval and rectangular shapes, with ADA-compatible options in matched product families. Allora Advantage handles trade pricing, fixture-schedule coordination, and phased delivery across the project timeline.

4 products
Sort by
Sort by
23" Rectangular Porcelain Top Mount Bathroom Sink with Overflow Drain in White 23" Rectangular Porcelain Top Mount Bathroom Sink with Overflow Drain in White
VCS-2318-R-T/S 23" Rectangular Porcelain Top Mount Bathroom Sink with Overflow Drain in White

  • Size: 23″ x 18-1/8″ x 8-3/4"

downloadSpecification Sheet (PDF)
$179.00
ADA COMPLIANT Allora USA 20-1/2” ADA-Depth Oval Porcelain Top Mount Vanity Sink in White 20-1/2” ADA-Depth Oval Porcelain Top Mount Vanity Sink in White
ADA-VCS-2017-O-T/S 20-1/2” ADA-Depth Oval Porcelain Top Mount Vanity Sink in White

  • Size: 20-1/2″ x 17-1/2″ x 7-5/8″

downloadSpecification Sheet (PDF)
$79.00
23" Rectangular Curved Front Porcelain Top Mount Bathroom Sink in White 23" Rectangular Curved Front Porcelain Top Mount Bathroom Sink in White
VCS-2319-A-R-T/S 23" Rectangular Curved Front Porcelain Top Mount Bathroom Sink in White

  • Size: 23″ x 19-5/8″ x 7-7/8"

downloadSpecification Sheet (PDF)
$199.00
16 x 16" White Semi-Recessed Porcelain Vessel Sink with Overflow 16 x 16" White Semi-Recessed Porcelain Vessel Sink with Overflow
VCS-1616-R-T/S 16 x 16" White Semi-Recessed Porcelain Vessel Sink with Overflow

  • Size: 16" x 15-7/8" x 5-7/8"

downloadSpecification Sheet (PDF)
$174.00
Commercial & Multi-Unit

Top Mount Bathroom Sinks for Renovation and Multi-Unit Installation

Top mount bathroom sinks use a finished rim that rests on the countertop. They can support renovation, replacement, laminate-counter, and repeated multi-unit applications where installation from above or visible rim coverage is preferred.

Before ordering, verify the sink's exterior dimensions, cutout, rim width, faucet-hole configuration, counter thickness, and cabinet clearance. Nominal sink size alone is not enough for an existing opening or pre-cut vanity top.

Allora USA can compare top-mount models against the planned or existing counter opening, rim coverage, faucet drilling, bowl dimensions, and cabinet conditions. For replacement programs, field measurements and photos can help identify options while avoiding assumptions based only on the old sink's nominal size.

Request Project Pricing Submit the top-mount sink dimensions, existing opening, or renovation quantity list to Allora for model comparison, availability, and project pricing.

Install from Above the Counter

Top-side installation can be useful where under-counter access is limited or where the project requires a self-rimming basin. Confirm the selected mounting procedure before field work begins.

Use Rim Coverage Strategically

The finished rim may provide tolerance around a cutout, but it must fully cover the opening. Compare the rim footprint with existing or planned counter dimensions.

Verify Faucet-Hole Configuration

Some top-mount sinks include faucet holes while others rely on separate counter drilling. Match the model to the bathroom faucet schedule before purchasing.

Plan for Replacement Conditions

Measure the existing opening, counter thickness, supply locations, and cabinet space. A new top-mount sink should be selected for the actual field condition, not only the old sink's outside size.

Evaluate Replacement Fit Before Ordering

Provide the existing cutout, outside sink dimensions, faucet-hole layout, and counter material. Allora can compare options and identify where rim coverage or cabinet clearance differs.

Build a Repeatable Renovation Package

Price the approved sink by property, unit type, or release. A controlled model and cutout standard reduces installer variation and simplifies future turns.

Design Files and Resources for Professionals

TECHNICAL SPECIFICATIONS

At Allora USA, we provide a variety of 3D design files and resources tailored to streamline your specification journey. Our tools are designed to ensure that professionals like architects, designers, contractors, and engineers have everything they need to smoothly integrate Allora USA products into their projects.

Explore Technical Resources

Frequently Asked Questions

Top mount works with any countertop material — laminate, solid surface, stone, quartz. The rim sits on the counter surface, so no polished interior edge is required, eliminating the fabrication step needed for undermount.

Top mount is the cost-efficient default for value-tier and renovation projects — lower fabrication cost, fastest install, compatible with laminate counters. Specify undermount for mid-tier and luxury projects using stone or quartz where the seamless counter-to-sink transition is part of the unit positioning.

White porcelain oval (transitional) and rectangular (contemporary). Both shapes are stocked in matched product families with their undermount counterparts to maintain consistent shape across install types within the project.

Yes. Allora produces ADA-supportive top mount bathroom sinks in matched product families with standard top mount — matched shape, finish, and external dimensions. The shallow-depth ADA basin meets accessibility requirements while maintaining the same vanity fit.

Spec sheets, cutout templates, BIM files, and DXF files are available for every SKU. Trade accounts request the full documentation package through their Allora Advantage rep before finalizing the fixture schedule.

Stock orders ship same-day when placed before noon EST. Phased project orders are scheduled during spec stage — Allora Advantage members coordinate delivery timing, volume pricing tiers, and hold-back inventory across construction phases.

Get Project Pricing for Wholesale Top Mount Bathroom Sinks

One partner for every phase, from specification through final installation. Same-day quotes, volume pricing, in-stock inventory, and dedicated reps keep your project on budget and on schedule.

  • 01
    Same-Day Quotes
    Requests received by 2 p.m. ET on a business day are quoted the same day. Anything after 2 p.m. is quoted first thing the next business morning.
  • 02
    Volume Pricing That Scales with Your Project
    Pricing is tiered by unit count, so a 40-unit renovation and a 400-unit new build each get a rate that fits the job.
  • 03
    One Catalog, Stocked for the Whole Job
    Source every category in your spec from a single supplier with inventory depth for multifamily and commercial volumes. Finishes stay consistent across phases, there are no mid-project substitutions, and orders ship direct to your jobsite.
  • 04
    One Account Rep, Start to Finish
    A dedicated Allora USA representative owns your order end to end: product selection, spec sheets and submittal packages, order coordination, and installation questions.
Request Project Pricing
Share your fixture needs, estimated quantities, and delivery timeline. An Allora USA representative will follow up with project pricing, product availability, and shipping options. Still selecting products? Describe your project, and we’ll help you find the right fixtures.

WHAT OUR CUSTOMERS ARE RAVING ABOUT

We’ve partnered with Allora USA on several residential and commercial projects, and they consistently deliver top-notch products. The variety of styles and finishes they offer ensures that we find the perfect match for each project. What stands out is their attention to detail and quick turnaround times. We consider Allora USA an essential part of our supply chain.

Ryan - Project Manager, Multifamily Project Builder