CLEARANCE
Available now
Sparkle Grey Quartz Slab — Polished
Clearance Sparkle Grey Quartz — polished 2 cm slabs at $5.60/sq ft for budget kitchens, vanities, rentals, and multi-unit jobs.
126" x 61"
$299
Northridge, Los Angeles
7 pieces available
Available on The Stone Index
Stone Supply Co Inventory on The Stone Index
44 active listingsQuartz
Available Slabs & Remnants from Stone Supply Co
44 active · 44 full slabs · 44 clearance
Inventory moves fast. Confirm current availability by sending an inquiry through The Stone Index — the seller receives your lead directly.
Need countertop fabrication or installation too? After you find a slab that fits your project, The Stone Index can help arrange follow-up with a local stone fabrication team. Explore Los Angeles stone fabrication help.
CLEARANCE
Available now
City White Quartz Slab — Honed
Clearance City White Quartz — honed jumbo 65" x 130" slabs at $5.10/sq ft for budget kitchens, islands, and multi-unit jobs.
130" x 65"
$299
Northridge, Los Angeles
20 pieces available
CLEARANCE
Available now
Carrara Jumbo Silk Quartz Slab
Clearance Carrara Jumbo Silk Quartz — 65" x 130" white slabs at $5.10/sq ft for budget kitchens, islands, and multi-unit jobs.
130" x 65"
$299
Northridge, Los Angeles
26 pieces available
CLEARANCE
Available now
Calacatta Grey Vein Quartz Slab — Polished
Clearance Calacatta Grey Vein Quartz — polished 2 cm slabs at $5.45/sq ft for budget kitchens, vanities, rentals, and multi-unit jobs.
126" x 63"
$300
Northridge, Los Angeles
20 pieces available
CLEARANCE
Available now
Pietra Grey Quartz Slab — Matte
Clearance Pietra Grey Quartz — matte 2 cm slabs at $5.45/sq ft for budget kitchens, vanities, rentals, and multi-unit jobs.
126" x 63"
$300
Northridge, Los Angeles
26 pieces available
CLEARANCE
Available now
Pietra Grey Quartz Slab — Polished
Clearance Pietra Grey Quartz — polished 2 cm slabs at $5.45/sq ft for budget kitchens, vanities, rentals, and multi-unit jobs.
126" x 63"
$300
Northridge, Los Angeles
15 pieces available
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CLEARANCE
Available now
Sandstone Beige Jumbo Quartz Slab — Polished
Clearance Sandstone Beige Jumbo Quartz — 65" x 130" polished slab at $5.10/sq ft for budget kitchens, islands, and rentals.
130" x 65"
$299
Northridge, Los Angeles
29 pieces available
CLEARANCE
Available now
Sandstone Beige Quartz Slab — Polished
Clearance Sandstone Beige Quartz — polished 2 cm slabs at $6.55/sq ft for budget kitchens, vanities, rentals, and multi-unit jobs.
120" x 55"
$300
Northridge, Los Angeles
13 pieces available
CLEARANCE
Available now
Silver Concrete Quartz Slab — Polished
Clearance Silver Concrete Quartz — polished 2 cm slabs at $6.55/sq ft for budget kitchens, vanities, rentals, and multi-unit jobs.
120" x 55"
$300
Northridge, Los Angeles
22 pieces available
CLEARANCE
Available now
Taupe Gray Quartz Slab — Matte
Clearance Taupe Gray Quartz — matte 2 cm slab at $5.45/sq ft for budget kitchens, vanities, rentals, and office counters.
126" x 63"
$300
Northridge, Los Angeles
9 pieces available
CLEARANCE
Available now
Sleek Concrete Quartz Slab — Matte
Clearance Sleek Concrete Quartz — matte 2 cm gray slab at $5.45/sq ft for budget kitchens, vanities, rentals, and office counters.
126" x 63"
$300
Northridge, Los Angeles
4 pieces available
CLEARANCE
Available now
Calacatta Lincoln Quartz Slab — Polished
Clearance Calacatta Lincoln Quartz — polished 2 cm white slabs at $5.45/sq ft for budget kitchens, vanities, and rental upgrades.
126" x 63"
$300
Northridge, Los Angeles
2 pieces available
CLEARANCE
Available now
Chateau Concrete Grey Quartz Slab — Polished
Clearance Chateau Concrete Grey Quartz — jumbo 65" x 130" polished slabs at $5.10/sq ft for budget kitchens and multi-unit jobs.
130" x 65"
$299
Northridge, Los Angeles
5 pieces available
CLEARANCE
Available now
Calacatta Invisible Quartz Slab — Polished
Clearance Calacatta Invisible Quartz — polished 2 cm slabs at $5.45/sq ft for budget kitchens, vanities, and multi-unit jobs.
126" x 63"
$300
Northridge, Los Angeles
22 pieces available
CLEARANCE
Available now
Cloudy Grey Matte Quartz Slab
Clearance Cloudy Grey Matte Quartz — 2 cm gray slabs at $5.45/sq ft, ideal for budget kitchens, vanities, and multi-unit jobs.
126" x 63"
$300
Northridge, Los Angeles
23 pieces available
CLEARANCE
Available now
Mocha Brown Quartz Slab — Polished
Clearance Mocha Brown Quartz — polished 2 cm full slab at $5.30/sq ft, ideal for budget kitchens, vanities, laundry counters, and rentals.
127" x 64"
$299
Northridge, Los Angeles
1 piece available
CLEARANCE
Available now
Cloudy Grey Quartz Slab — Matte
Clearance Cloudy Grey Quartz — matte 2 cm gray slabs at $5.45/sq ft, ideal for budget kitchens, vanities, and multi-unit jobs.
126" x 63"
$300
Northridge, Los Angeles
7 pieces available
CLEARANCE
Available now
Neveda Beige Quartz Slab — Polished
Clearance Neveda Beige Quartz — polished 2 cm full slabs at $6.55/sq ft, ideal for budget kitchens, vanities, and multi-unit jobs.
120" x 55"
$300
Northridge, Los Angeles
23 pieces available
CLEARANCE
Available now
Breda Concrete Quartz Slab — Polished
Clearance Breda Concrete quartz slabs at liquidation pricing — polished gray concrete-look quartz for kitchen countertops and commercial countertop projects.
120" x 55"
$300
Northridge, Los Angeles
17 pieces available
CLEARANCE
Available now
Terrazzo Cinder Quartz Slab — Honed
Clearance MetroQuartz Terrazzo Cinder slabs at liquidation pricing — honed gray terrazzo quartz for kitchen countertops and commercial projects.
120" x 55"
$300
Northridge, Los Angeles
22 pieces available
About Stone Supply Co
Stone Supply Co is a Northridge stone slab yard serving Los Angeles, the San Fernando Valley, designers, builders, fabricators, contractors, and homeowners looking for natural stone and quartz slabs. Located in Northridge, Stone Supply Co offers a growing selection of slab materials for countertop, vanity, fireplace, wall feature, and interior design projects. On The Stone Index, buyers can browse Stone Supply Co inventory in one place, including available slabs and materials such as quartz, marble, quartzite, granite, and other surface options when listed. Each listing helps buyers compare material name, size, price, availability, and location before contacting the seller or visiting the yard. For Los Angeles buyers searching for a stone yard in Northridge, quartz slabs in the San Fernando Valley, or natural stone slabs near Los Angeles, Stone Supply Co provides a local source for slab inventory with direct seller contact through The Stone Index.
Current Stone Supply Co Inventory Snapshot
The Stone Index currently shows 44 active listings from Stone Supply Co in Northridge. At least 689 pieces are confirmed. The current selection includes 44 full-slab listings, with 44 clearance options.
Current material mix: Quartz (44). 44 active listings show public pricing. Inventory changes as slabs sell and new material is added.
Can't find what you need from Stone Supply Co? Submit a stone sourcing request and we'll help you find it across local sellers.
How to Inquire About Stone Supply Co Inventory
Open any of the listings above and send an inquiry through The Stone Index. The seller receives your lead directly. Each slab or remnant is a unique inventory piece, so confirm availability through your inquiry before visiting or moving forward.
Related Inventory Across Southern California
Explore matching inventory from other local sellers on The Stone Index.
Browse More Southern California Stone Inventory
Looking beyond one seller? Compare slabs and remnants from multiple Southern California sellers on Los Angeles stone yards, see the full live inventory, or jump to remnants in Los Angeles and countertop remnants for smaller projects.