These are a few of our latest listings!
  • Bedroom dresser for sale in Rockwall TX by Garage Sale Showcase member CathyMac, posted 06/28/2021
  • Just the Right Shoe for sale in Naples FL by Garage Sale Showcase member CC111Nv20, posted 10/31/2019
  • Pt cruiser for sale in Roanoke Rapids NC by Garage Sale Showcase member Nezblanca, posted 02/12/2019
  • Sleep Number Mattress for sale in Plains MT by Garage Sale Showcase member Spider 2013, posted 02/26/2021
  • Pets puppies for sale in Elizabeth City NC by Garage Sale Showcase member Sunny Hardee, posted 01/10/2022
  • Memory Foam Mattress - Queen Size for sale in Bucyrus OH by Garage Sale Showcase member diana wagner, posted 01/30/2022
  • Laptop computer bag for sale in Port Jervis NY by Garage Sale Showcase member Yuri Konovalov, posted 04/25/2021
  • Bow pin for sale in South Burlington VT by Garage Sale Showcase member Aprilgirl, posted 03/27/2019
  • SOGA 2X 45cm Christmas Dog Pillow Cover - Holiday Striped Pillowcase for sale in Dover DE by Garage Sale Showcase member SogaUS, posted 08/31/2025
  • Tableware-Gold for sale in Clayton GA by Garage Sale Showcase member Elvira, posted 06/24/2020
  • Jogging stroller for sale in Fort Wayne IN by Garage Sale Showcase member Gregfromin, posted 09/17/2019
  • Fall wreath with feathers for sale in Norwalk OH by Garage Sale Showcase Member Mscreativity
GarageSaleShowcase.com - Free listings of used, second-hand and out-of-the-box items for sale across the USA!

Buy & Sell Used Items In San Mateo County CA!
  • Bedroom dresser for sale in Rockwall TX by Garage Sale Showcase member CathyMac, posted 06/28/2021
  • Just the Right Shoe for sale in Naples FL by Garage Sale Showcase member CC111Nv20, posted 10/31/2019
  • Pt cruiser for sale in Roanoke Rapids NC by Garage Sale Showcase member Nezblanca, posted 02/12/2019
  • Sleep Number Mattress for sale in Plains MT by Garage Sale Showcase member Spider 2013, posted 02/26/2021
  • Pets puppies for sale in Elizabeth City NC by Garage Sale Showcase member Sunny Hardee, posted 01/10/2022
  • Memory Foam Mattress - Queen Size for sale in Bucyrus OH by Garage Sale Showcase member diana wagner, posted 01/30/2022
  • Laptop computer bag for sale in Port Jervis NY by Garage Sale Showcase member Yuri Konovalov, posted 04/25/2021
  • Bow pin for sale in South Burlington VT by Garage Sale Showcase member Aprilgirl, posted 03/27/2019
  • SOGA 2X 45cm Christmas Dog Pillow Cover - Holiday Striped Pillowcase for sale in Dover DE by Garage Sale Showcase member SogaUS, posted 08/31/2025
  • Tableware-Gold for sale in Clayton GA by Garage Sale Showcase member Elvira, posted 06/24/2020
  • Jogging stroller for sale in Fort Wayne IN by Garage Sale Showcase member Gregfromin, posted 09/17/2019
  • Fall wreath with feathers for sale in Norwalk OH by Garage Sale Showcase Member Mscreativity
Garage Sale Showcase features online garage sales of items listed by our Members in California. Become a GarageSaleShowcase.com member today to sell used items online in California.

San Mateo County CA
Online Garage Sale Listings

Select Your San Mateo County CA City Below!
... Or Browse Item Categories in San Mateo County CA!
antiques for sale in San Mateo County, CA - sell used antiques in San Mateo County, CA Antiques
appliances for sale in San Mateo County, CA - sell used appliances in San Mateo County, CA Appliances
art and décor for sale in San Mateo County, CA - sell used art and décor in San Mateo County, CA Art & Décor
arts and crafts supplies for sale in San Mateo County, CA - sell used arts and crafts supplies in San Mateo County, CA Arts & Crafts Supplies
bikes and bicycle accessories for sale in San Mateo County, CA - sell used bikes and bicycle accessories in San Mateo County, CA Bicycles & Accessories
boats, watercraft and boating accessories for sale in San Mateo County, CA - sell used boats, watercraft and boating accessories in San Mateo County, CA Boats & Watercraft
books and magazines for sale in San Mateo County, CA - sell used books and magazines in San Mateo County, CA Books & Magazines
office supplies for sale in San Mateo County, CA - sell used office supplies in San Mateo County, CA Business & Office Supplies
cameras, camera accessories and photography equipment for sale in San Mateo County, CA - sell used cameras, camera accessories and photography equipment in San Mateo County, CA Cameras & Photography Equipment
campers, RVs, ATVs and camping supplies for sale in San Mateo County, CA - sell used campers, RVs, ATVs and camping supplies in San Mateo County, CA Campers, RVs, ATVs & Camping Supplies
cleaning supplies and equipment for sale in San Mateo County, CA - sell used cleaning supplies and equipment in San Mateo County, CA Cleaning Supplies & Equipment
cars, trucks, motorcycles and automotive items for sale in San Mateo County, CA - sell used cars, trucks, motorcycles and automotive items in San Mateo County, CA Cars, Trucks, Motorcycles & Automotive
clothing, shoes and fashion accessories for sale in San Mateo County, CA - sell used clothing, shoes and fashion accessories in San Mateo County, CA Clothing, Shoes & Fashion Accessories
computers, computer parts and computer accessories for sale in San Mateo County, CA - sell used computers, computer parts and computer accessories in San Mateo County, CA Computers, Laptops & Accessories
cookware and kitchen accessories for sale in San Mateo County, CA - sell used cookware and kitchen accessories in San Mateo County, CA Cookware & Kitchen Accessories
cosmetics and beauty supplies for sale in San Mateo County, CA - sell used cosmetics and beauty supplies in San Mateo County, CA Cosmetics & Beauty Supplies
dishes, dinnerware and glassware for sale in San Mateo County, CA - sell used dishes, dinnerware and glassware in San Mateo County, CA Dishes, Dinnerware & Glassware
televisions, electronics and gaming accessories for sale in San Mateo County, CA - sell used televisions, electronics and gaming accessories in San Mateo County, CA Electronics, Televisions & Accessories
furniture and fixtures for sale in San Mateo County, CA - sell used furniture and fixtures in San Mateo County, CA Furniture & Fixtures
groceries, produce and dry goods for sale in San Mateo County, CA - sell used groceries, produce and dry goods in San Mateo County, CA Groceries, Produce & Dry Goods
health and fitness equipment for sale in San Mateo County, CA - sell used health and fitness equipment in San Mateo County, CA Health & Fitness Equipment
home, patio, lawn and garden items for sale in San Mateo County, CA - sell used home, patio, lawn and garden items in San Mateo County, CA Home, Patio, Lawn & Garden Items
jewelry and watches for sale in San Mateo County, CA - sell used jewelry and watches in San Mateo County, CA Jewelry & Watches
industrial and heavy equipment for sale in San Mateo County, CA - sell used industrial and heavy equipment in San Mateo County, CA Industrial & Heavy Equipment
lab and scientific equipment for sale in San Mateo County, CA - sell used lab and scientific equipment in San Mateo County, CA Lab & Scientific Equipment
building materials and supplies for sale in San Mateo County, CA - sell used building materials and supplies in San Mateo County, CA Materials & Building Supplies
maternity and baby items for sale in San Mateo County, CA - sell used maternity and baby items in San Mateo County, CA Maternity and Baby Items
medical supplies and therapy equipment for sale in San Mateo County, CA - sell used medical supplies and therapy equipment in San Mateo County, CA Medical & Therapy Supplies
music and video CDs, DVDs, Blu Ray discs and accessories for sale in San Mateo County, CA - sell used music and video CDs, DVDs, Blu Ray discs and accessories in San Mateo County, CA Music & Video
musical instruments and accessories for sale in San Mateo County, CA - sell used musical instruments and accessories in San Mateo County, CA Musical Instruments & Accessories
novelties and collectibles for sale in San Mateo County, CA - sell used novelties and collectibles in San Mateo County, CA Novelties & Collectibles
pets and pet supplies for sale in San Mateo County, CA - sell used pets and pet supplies in San Mateo County, CA Pets and Pet Supplies
religious items and supplies for sale in San Mateo County, CA - sell used religious items and supplies in San Mateo County, CA Religious Items & Artifacts
school supplies for sale in San Mateo County, CA - sell used school supplies in San Mateo County, CA School Supplies
Christmas and Holiday decorations for sale in San Mateo County, CA - sell used Christmas and Holiday decorations in San Mateo County, CA Seasonal & Holiday Decorations
sporting goods and hunting and fishing equipment for sale in San Mateo County, CA - sell used sporting goods and hunting and fishing equipment in San Mateo County, CA Sporting Goods, Hunting & Fishing
phones and accessories for sale in San Mateo County, CA - sell used phones and accessories in San Mateo County, CA Telephones & Accessories
tools and hardware for sale in San Mateo County, CA - sell used tools and hardware in San Mateo County, CA Tools & Hardware
toys, games and hobbies for sale in San Mateo County, CA - sell used toys, games and hobbies in San Mateo County, CA Toys, Games & Hobbies
lots, groups of items and miscellaneous items for sale in San Mateo County, CA - sell used lots, groups of items and miscellaneous items in San Mateo County, CA Miscellaneous, Lots, Groups of Items & Everything Else!
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