IRG - Integrated Resources Group

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IRG - Integrated Resources Group Supplier of the most unique collection of natural stone and engineered surfaces in the Bay Area & Sacramento.

IRG Stone is Northern California’s premier destination for luxury natural stone and engineered slabs. Family-owned and serving the Bay Area since 1989, we specialize in sourcing unique marble, quartzite, onyx, soapstone, limestone, travertine, and engineered surfaces from around the world. With showrooms in Brisbane, Dublin, and Sacramento, we work with homeowners, interior designers, architects, fabricators, and builders on projects of every scale — from kitchen and bath remodels to custom homes and boutique hospitality. Known for our highly curated collection, welcoming showroom environment, and hard-to-find stone slabs, we help bring inspired spaces to life through exceptional surfaces and personalized service.

11/10/2026

Our new-in CALACATTA TURQUOISE is full of character, with a layered palette that gives this marble a presence all its own. 💙

What we especially love is the balance. The expressive pattern makes an impression, while the softer shifts in color allow it to work beautifully across a range of interiors. It’s a material that can inspire an entire space or become that one special element that brings a design together.

🔔 Stop by our showroom to experience Calacatta Turquoise in person and view the latest slabs.

07/10/2026

This past weekend, we had the pleasure of helping kick off Design Healdsburg—a weekend celebrating design, creativity, and community in the heart of W**e Country.🍷

We were especially excited to bring a piece of our world north, creating a slab gallery and sharing our collection of natural stone with Healdsburg’s vibrant design community. ✨️

It was a wonderful evening of connection, inspiration, and celebration, and we’re so grateful to everyone who joined us, explored the gallery, and helped us start the weekend on such a memorable note. 🤍

**eCountryDesign

06/10/2026

The group chat is getting interesting. 👀

Our latest arrivals have landed at IRG Stone from subtle neutrals to bold pattern, organic movement, and unexpected color.

Consider this your newest source of material inspiration. ✨️

BRECCIA CAPRAIA EXTRA MARBLE
123”x75”
(Lot 435)

YELLOW BAMBOO QUARTZITE
113”X66”
(Lot 375)

CALACATTA VIOLA SUPREME MARBLE
119”x72”
(Lot 413)

CALACATTA TURQUOISE MARBLE
132”x78”
(Lot 435)

CEPPO DI MATERA MARBLE
123”x76”
(Lot 412)

CALACATTA ORO MARBLE
118”x74”
(Lot 412)

CALACATTA VIOLA NOTRE DAME MARBLE
120”x77”
(Lot 591)

Which slab are you bringing into your next project? 🤔

01/10/2026

From the quarry in Italy to our showroom.

We welcomed Corrado from Marmi Orobici to share the story behind two distinctive materials we import directly from their quarry: GRIGIO OROBICI and ARABESCATO OROBICI. ✨️

Operating since 1968, the quarry produces two signature expressions of Orobici marble—one darker and more dramatic, with striking black veining, and another warmer variation characterized by rich red and creamy tones.

Orobici marble has a history rooted in Italian architecture, appearing in churches and other historic spaces throughout the country. Today, it continues to be loved for its durability, versatility, and ability to complement a wide range of interior color palettes.

It’s very special to hear these stories directly from the people closest to the stone. We love welcoming our quarry partners to IRG and giving our clients a deeper connection to the materials we offer. 🤍

StoneDesign

From individual ammonites to a one-of-a-kind slab. ✨Each AMMONITE SEMI-PRECIOUS Slab from IRG Stone begins with individu...
23/09/2026

From individual ammonites to a one-of-a-kind slab. ✨

Each AMMONITE SEMI-PRECIOUS Slab from IRG Stone begins with individually inspected and selected ammonite fossils, carefully arranged to create a unique composition before the slab is created, and shipped to us, and ready for bespoke projects.

➡️ Swipe for a behind-the-scenes look at the process, from selecting and laying out each ammonite to the finished slab.

22/09/2026

Trust us, you’ll want to save this stone for an upcoming project. 💛

From buttery yellow cabinetry to ochre textiles and warm golden accents, yellow is finding its way into interiors in a big way — so naturally, we had to bring in YELLOW BAMBOO QUARTZITE.

With layered tones of golden yellow, earthy brown and touches of burgundy, this quartzite has the kind of palette that immediately gets you thinking about the possibilities.

We wanted to take it beyond the slab and show how this stone could translate into different spaces.

🤔 How would YOU use Yellow Bamboo Quartzite?

16/09/2026

The Viola slab you’ve been waiting for has just arrived.✨️

Meet CALACATTA VIOLA SUPREME MARBLE. We love the bright background, consistent movement from edge to edge, and beautiful touches of blush and blue-turquoise woven throughout.

💜 It’s not often we come across a Viola with this kind of color variation and such consistent movement across the entire slab, which makes this one extra special.

Now in stock and ready for your next project. Come view in person!

SLAB DETAILS:
116"x72"
Lot 413

15/09/2026

Designer San Francisco Interior Design joins us in the showroom to share two quartzites she selected for an upcoming Mill Valley project: Patagonia Exotica and Pedra Azul.

While distinctly different at first glance, the two stones reveal a beautifully similar color palette creating a natural dialogue between the materials while allowing each to bring its own character to each space. 💙

Holly is incredibly intentional with every stone she selects, and we always love seeing how material, color, and movement come together through her perspective. We can’t wait to see these two come to life in the finished home.

12/09/2026

Some materials are meant to be illuminated. ✨

Our CRISTALO ILLUMINATO QUARTZITE is one of those special stones that comes to life with light. Its soft, cloud-like movement and delicate veining are beautiful on their own, but when backlit, its natural translucency reveals a whole new side of the stone.

Ethereal on its own. Striking when illuminated. 🤍 We love how this material invites light to become part of the design, perfect for spaces where stone can be more than a surface and become part of the atmosphere.

Address

CA

Opening Hours

Monday 08:30 - 17:00
Tuesday 08:30 - 17:00
Wednesday 08:30 - 17:00
Thursday 08:30 - 17:00
Friday 08:30 - 17:00
Saturday 10:00 - 14:00

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