Wholesale Undermount Bathroom Sinks for Multifamily & Commercial Projects

Wholesale undermount bathroom sinks install beneath the countertop, creating a continuous surface with no visible rim — requiring the polished interior cutout edge typical in stone, quartz, and solid surface vanity tops used in mid-tier and luxury unit packages. Developers, general contractors, and procurement teams source undermount across mid-tier multifamily, hospitality, senior living, and luxury residential; top mount (drop-in) is the value-tier alternative compatible with laminate vanity tops. Allora USA stocks undermount bathroom sinks in white porcelain oval and rectangular shapes, with ADA-compatible options in matched product families. Trade accounts coordinate premium-unit fixture packages, phased delivery, and documentation through the Allora Advantage program.

Filters

Filters
41 products
Sort by
Sort by
20" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1218-R 20" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1218-R
ADA-VCS-1218-R/S 20" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1218-R

  • Size: 20" x 14-1/4" x 5"

downloadSpecification Sheet (PDF)
$99.00
21" x 15" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1318-R 21" x 15" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1318-R
ADA-VCS-1318-R/S 21" x 15" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1318-R

  • Size: 20-1/2" x 15-1/4" x 5-3/8"

downloadSpecification Sheet (PDF)
$99.00
Sold out
18" x 13" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1116-R 18" x 13" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1116-R
ADA-VCS-1116-R/S 18" x 13" Shallow White Porcelain Undermount ADA Rectangular Bathroom Sink, ADA-VCS-1116-R

  • Size: 17-3/4" x 12-3/4" x 4-1/2″

downloadSpecification Sheet (PDF)
$99.00
20-3/4" White Rectangular Vitreous China Undermount Bathroom Sink with Overflow Drain, VCS-1218-N-R 20-3/4" White Rectangular Vitreous China Undermount Bathroom Sink with Overflow Drain, VCS-1218-N-R
VCS-1218-N-R/S 20-3/4" White Rectangular Vitreous China Undermount Bathroom Sink with Overflow Drain, VCS-1218-N-R

  • Size: 20-5/8" x 14-3/8" x 7-1/2"

downloadSpecification Sheet (PDF)
$89.00
20" x 16" ADA-Depth White Oval Porcelain Undermount Bathroom Sink, ADA-VCS-1417-O 20" x 16" ADA-Depth White Oval Porcelain Undermount Bathroom Sink, ADA-VCS-1417-O
ADA-VCS-1417-O/S 20" x 16" ADA-Depth White Oval Porcelain Undermount Bathroom Sink, ADA-VCS-1417-O

  • Size: 19-1/2" x 16" x 5-1/2"

downloadSpecification Sheet (PDF)
$94.00
20-1/2" Rectangular Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1318-R 20-1/2" Rectangular Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1318-R
VCS-1318-R/S 20-1/2" Rectangular Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1318-R

  • Size: 20-1/2" x 15-1/4" x 7-1/2"

downloadSpecification Sheet (PDF)
$99.00
19-1/4" Oval Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1417-O 19-1/4" Oval Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1417-O
VCS-1417-O/S 19-1/4" Oval Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1417-O

  • Size: 19-1/4" x 15-7/8" x 8-1/4"

downloadSpecification Sheet (PDF)
$99.00
20-5/8" Rectangular Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1218-R 20-5/8" Rectangular Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1218-R
VCS-1218-R/S 20-5/8" Rectangular Porcelain Undermount Bathroom Sink with Overflow Drain in White, VCS-1218-R

  • Size: 20-5/8" x 14-3/4" x 8-1/4"

downloadSpecification Sheet (PDF)
$94.00

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

Undermount requires a polished interior cutout edge — works with stone, quartz, and solid surface vanity tops, not with laminate. Stone fabricators polish the edge during cutout. Verify vanity top spec supports undermount before finalizing the sink schedule.

Undermount is the mid-tier and luxury default — seamless counter-to-sink transition is part of the unit positioning, and the project budget includes stone or quartz vanity tops. Specify top mount for value-tier multifamily and student housing using laminate tops or budget-constrained installations.

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

Yes. Allora produces ADA-supportive undermount bathroom sinks in matched product families with standard undermount — 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 — cutout templates matter especially for undermount because fabricator cutout accuracy determines install quality. Trade accounts request the full documentation package through their Allora Advantage rep.

Stock orders ship same-day when placed before noon EST. Phased project orders are scheduled during spec stage — Allora Advantage members get tier pricing, dedicated rep support, hold-back inventory, and fabricator-direct delivery coordination on undermount specs.

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