18911 Sydney Cir, Castro Valley, CA 94546
Single-family home
Sold July 2026
Listing Agent: Sunday Nguyen (DRE #02206061) · Listing Office: eXp Realty of California · Contact: 888-584-9427 · Bought with: Karl Lee · Compass · MLS #41138925 · Source: CRMLS
How this sale compares
18911 Sydney Cir sold for $1,375,000 in July 2026, 38% over its $999,000 list price, after 11 days on the market. That works out to $718 per square foot on 1,914 square feet. Across 143 closed sales in 94546 over the last 12 months, the median sold price is $1,064,000 and the median is $661 per square foot, 7.9% below this sale's $718.
| Quarter | Closed sales in 94546 | Median sold price |
|---|---|---|
| Q1 2026 | 14 | $1,010,000 |
| Q2 2026 | 80 | $1,011,944 |
| Q3 2026 | 47 | $1,122,000 |
| Q4 2026 | 2 | $1,400,000 |
Figures are MLS-reported closed sales (CRMLS); ZIP medians cover the last 12 months. Nalren does not estimate values. Recently sold in Castro Valley · Homes for sale in 94546
Description
Welcome to 18911 Sydney Circle, a beautifully remodeled corner premium lot home offering style, comfort, and thoughtful upgrades throughout. Freshly painted inside and out, this move in ready residence features hardwood flooring, soaring vaulted ceilings, and abundant natural light through dual pane windows accented with elegant plantation shutters. The inviting living space is centered around a cozy fireplace and flows seamlessly into the updated kitchen showcasing stunning quartz countertops, a new sink, recessed lighting, custom cabinetry, and new stainless steel appliances. Enjoy effortless indoor outdoor living with a sliding glass door leading to a serene, professionally landscaped backyard, perfect for relaxing or entertaining. The front yard is equally impressive with a brand new fence, mature landscaping, accent lighting, and exceptional curb appeal. Upstairs, the spacious primary suite offers valley views, a beautifully updated bathroom with designer finishes, a large walk in closet, and ample storage. Additional features include a convenient half bath downstairs, custom garage cabinetry, attic storage, newer entry door, and numerous quality improvements throughout. Ideally situated on a desirable corner lot, this turnkey home combines modern upgrades with timeless comfort in a sought after neighborhood.
Listing description from the July 2026 sale, as reported to CRMLS.
Sale history
Recent sales near 18911 Sydney Cir
- 18752 Carlton Ave: Sold $865,000 · 2 bd · 1 ba · 1,115 sqft · Jun 2026 · 0.2 mi
Vanguard Properties | DRE #01433093
Buyer's agent: Kimberly Nash, Christie's Int'l RE Sereno | DRE #01352743 2554 Titan Way: Sold $1,000,000 · 3 bd · 3 ba · 2,176 sqft · Sep 2026 · 0.2 mi
2433 Fox Ridge Dr: Sold $1,500,000 · 4 bd · 3 ba · 2,588 sqft · Aug 2026 · 0.3 mi
BHHS Drysdale Properties | DRE #01783545
Buyer's agent: Angela Tan, NexX Realty | DRE #022274912500 Miramar Ave 101: Sold $390,000 · 2 bd · 2 ba · 1,145 sqft · Jun 2026 · 0.3 mi
EXP Realty of California, Inc | DRE #02143041
Buyer's agent: Laarni Sanchez, Realty ONE Group Future | DRE #0197397519435 YUMA ST: Sold $1,122,000 · 3 bd · 3 ba · 1,700 sqft · Aug 2026 · 0.3 mi
Realty World Acclaim | DRE #01859274
Buyer's agent: Alice Chan, New Horizon Real Estate | DRE #018622972505 Miramar Ave 122: Sold $447,000 · 2 bd · 2 ba · 898 sqft · Aug 2026 · 0.4 mi
United Brokers Real Estate | DRE #01292148
Buyer's agent: Alejandro Juarez, Luxe Realty Group | DRE #021916593060 Todd Ct: Sold $1,370,000 · 4 bd · 3 ba · 2,238 sqft · Oct 2026 · 0.5 mi
3488 Brookdale Blvd: Sold $1,064,000 · 3 bd · 3 ba · 1,226 sqft · Jul 2026 · 0.5 mi
EXp Realty of Southern CA, Inc | DRE #02205477
Buyer's agent: Amy Kong, Trust Real Estate | DRE #01177178
Closed sales reported in 94546, nearest first, last 12 months. All recent sales in Castro Valley →