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You are here: Home / Blog / Tucking Mancini’s Sleepworld into its New Cupertino Showroom

Tucking Mancini’s Sleepworld into its New Cupertino Showroom

April 8, 2025 By Silicon X Construction

When Mancini’s Sleepworld identified the perfect location for a new showroom at 10465 South De Anza Boulevard in Cupertino in the McClellan Square Shopping Center, the highly respected retailer turned to SiliconX Construction for its tenant improvements.

Founded in 1969 by Carl and Patsy Mancini, Mancini’s Sleepworld has grown to become the premier mattress retailer in Northern California — with 42 stores in the greater Bay Area and beyond, serving more than 100,000 customers with a selection of mattresses, bedding, bedroom and living room furniture, and more.

Comprehensive Transformation of a Banking Office

While the free-standing 5,670 sq. ft. building was ideally situated for Mancini’s purposes, SiliconX needed to completely transform the interiors from its previous usage as a bank branch into a spacious sleep showroom.

SiliconX Construction’s extensive project scope included:

•     Saw-cutting the concrete floor and excavating several sections to run underground electrical

•     Contracting for and installing needed millwork — specifically cabinets for the sales desk and other displays

•     Erecting metal studs and hanging new drywall

•     Installing acoustical ceilings and high-end light fixtures as well as working with a third party on a state-of-the-art fire sprinkler system

•     Putting in new frames, doors and related hardware

•     Prepping for Mancini’s to lay down its desired flooring — and painting throughout

SiliconX Construction’s work also encompassed seamlessly patching both the interior and exterior walls where the previous tenant had installed a bank ATM, as well as completing other cosmetic woodwork and painting around the roofline of the building.

Completed On Time and On Budget

The entire project was completed in only three months, start to finish. Total cost for the TI’s was less than $70/sq. ft., including all change orders.

“SiliconX Construction is very professional and knowledgeable,” said a Mancini’s spokesperson. “The team is easy to work with, kept us in the loop on all issues during construction, and exceeded our expectations. Our store turned out beautifully. We look forward to our next project with SiliconX and highly recommend them as your general contractor.”

The architectural firm for the interior work was NewGround International, with engineering support provided by Case Engineering — both based in the St. Louis area. Project managers for SiliconX Construction were Tony Gonzalez and Greg Araiza-Gonzalez, and the field superintendent was Atlai Morales.

Following an investment from Sun Capital Partners, Inc. — a private investment firm focused on market-leading companies — Mancini’s Sleepworld is looking to aggressively expand its locations throughout Northern California. Future stores will likely be targeted to the Sacramento metropolitan region, the East Bay, Morgan Hill/Hollister area and additional sites in the South Bay.

“SiliconX is excited to have been chosen by Mancini’s Sleepworld for the Cupertino store,” said Tony Gonzalez. “We hope to have the opportunity to continue to partner with Mancini’s on other stores in the coming months and years.”

To learn more about how SiliconX can create or freshen your interiors or give your building an exterior facelift, contact Tony Gonzalez: tony@siliconxconstruction.com — (408) 418-0099 x509 (w) or (408) 318-1869 (m). Or you can contact Greg Araiza-Gonzalez: greg@siliconxconstruction.com — (408) 418-0099 x524 (w) or (408) 460-1972 (m).

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