Store Hours
10am to 5:30pm, Tuesday – Saturday
Diamonds to Dazzle your Valentine
All Diamond Jewelry 40% Off
Let your special loved one dazzle with the perfect gift this Valentine’s Day. From sparkling rings to shimmering bracelets and necklaces to stunning stud earrings, find diamond jewelry that will lift their heart – all at 40% off!
Limited time only. Now through 2/14/2026.
And, complete the gift with an adorable teddy bear! Free with any jewelry purchase. While supplies last!
Exclusively in San Mateo
Spring Savings have Sprung Across the Entire Store
🚴 50% off Bikes Hit the road or trail with incredible savings on every bike in stock.
🎸 40% off Musical Instruments Find the perfect acoustic or electric guitar or keyboard.
👜 40% off Designer Handbags Elevate your style with stunning bags from iconic luxury brands.
⌚ 30% off Watches* Huge savings on great timepieces just in time for Daylight Savings
🛠️ 30-50% off Tools Take on any do-it-yourself project. Buy 1 save 30%, buy 2 save 40%, buy 3 save 50%!
- Exclude Roles and other high-end watches over $800. Discounts on layaways must be reduced by 12.5%. Cannot be combined with other offers. Excludes previously sold merchandise. Other exclusions may apply. See store for details.
About Us
Located near the intersection of Highways 101 and 92, Best Collateral has been the best local pawn shop since 2011 and is the go-to store in San Mateo for cash loans and selling your gold, jewelry, and gently used items. Shoppers will find deep discounts on jewelry and gemstones, electronics, and designer goods, including high-end watches, and more. With new merchandise arriving weekly, you never know what treasures you’ll find!
Our highly-trained staff has decades of pawn industry experience, and they are committed to creating a welcoming environment for the community, providing 5 star customer service, and making sure each customer leaves our store satisfied and excited to return.
English, Spanish
Free Parking
GIA Certified
Luxury Handbag Authentication
Free Jewelry Cleaning
