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Sia Glafkides

20 Castle CT

$4,100,000 20 Castle CT, HILLSBOROUGH, CA 94010
This sprawling property was once part of the famed Carolands Mansion est. 1911. Built in the 1950's & tucked away in a cul-de-sac off Remillard, hints of the garden structures 2 stone urns from 1911 - remain. Owned by one family, this lovingly maintained & recently refurbished home sparkles & is ready to move in. The sun exposure is optimal, catching the morning/afternoon sun all day. Many opportunities to create your dream home such as installing a pool, guest house, custom outdoor kitchen entertaining spaces, play structures, & organic vegetable gardens. Original, pristine red oak wood floors shine and create a warm feeling inside. The floor plan has a great flow- two living rooms with wood burning fireplaces, separate dining areas and recently updated kitchen with new stainless appliances is ideal for grand entertaining. Working from home? A bedroom with separate entrance from backyard is perfect for the home office concept. Award winning schools, downtown Burlingame community
  • Sold
  • 4
  • 2.5
  • 1956
    Year Built
  • 2,520 Sq.Ft.
    Living Area

Features & Amenities

Area & Lot

  • Status: Sold
  • Living Space: 2,520 Sq.Ft.
  • Lot Size: 0.51 Acres
  • MLS® ID: ML81820541
  • Type: Residential
  • Year Built: 1956
  • Architecture Styles: Ranch
  • View Description: Public Utilities


  • Total Bedrooms: 4
  • Total Bathrooms: 2.5
  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Kitchen: Cooktop - Electric, Countertop - Tile, Dishwasher, Exhaust Fan, Garbage Disposal, Microwave, Oven - Built-In, Oven - Electric, Pantry, Refrigerator
  • Laundry Room: In Utility Room, Washer / Dryer
  • Flooring: Carpet, Hardwood, Vinyl / Linoleum
  • Fireplace: Family Room, Living Room

Exterior & Building

  • Stories: 1
  • Garage Space: 2
  • Water Source: Public
  • Utilities: Public Utilities
  • Roof: Composition
  • Lot Features: Grade - Level
  • Parking: Attached Garage, Off-Street Parking
  • Heat Type: Central Forced Air
  • Air Conditioning: None
  • Sewer: Sewer - Public
  • Substructure: Concrete Perimeter and Slab


  • Sales Price: $4,100,000
  • Zoning: R10025

20 Castle CT

Work With Sia

Sia understands that a home is the single largest investment a person makes in a lifetime, and she is devoted to helping both buyers and sellers make the most of that investment.