Prevu by reAlpha
BuySellBlogBrowse Listings

623 Cornwallis LaneFoster City, CA 94404

For Sale

$2,680,000

Smart Buyer Rebate $26,800

Welcome to this spacious Sea Colony residence offering approximately 2,700 square feet of thoughtfully designed living space in one of Foster Citys most desirable neighborhoods. Situated on a premium corner cul-de-sac lot, this expansive home features 4 bedrooms, 3 bathrooms, formal living and dining rooms, and a spacious family room ideal for everyday living and entertaining. The functional floor plan includes a convenient first-floor office/den, perfect for todays work-from-home lifestyle. The granite-appointed kitchen opens seamlessly to the family room, creating a warm and inviting gathering space. Upstairs, four generously sized bedrooms provide comfort and privacy for the entire household. Residents enjoy access to Sea Colony amenities including a community pool, spa, clubhouse, tennis courts, and playground. Conveniently located near parks, shopping, dining, top commuter routes, and Foster Citys scenic waterfront trails. A rare opportunity to own one of the largest floor plans in the community.

Listed by Mary Bee

·

License #00882849

·

Intero Real Estate Services

·

650-343-9999

Last updated June 17, 2026

·

Source: MLSListings #ML82050965

Listing Facts

  • TypeSingle-family
  • NeighborhoodSea Colony
  • Bedrooms4
  • Days on Prevu5
  • HOA/Maint. Fees$180/month
  • Size2,700 sqft
  • Price per sqft$993

Amenities

  • Pets Allowed
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

06/12/2026
Listed by Intero Real Estate Services
$2,680,000

Property Details for 623 Cornwallis Lane

Association

Amenities

  • Association Amenities: Club House, Community Pool

Fees

  • Association Fee: $180.00 Monthly

General

  • Association Name: Sea Colony

Exterior

Construction

  • Roof: Shingle
  • Stories: 2
  • Year Built: 1979
  • Year Built Details: 2
  • Architectural Style: Traditional
  • Construction Materials: Other

Features

  • Fencing: Fenced Back, Wood
  • Pool Features: Community Facility

Measurements

  • Building Area Total: 2,700
  • Lot Features: Grade - Level
  • Lot Size Acres: 0.12
  • Lot Size Area: 5,368
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 5,368
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 094-885-010

Interior

Features

  • Appliances: Garbage Disposal, Hood Over Range
  • Fireplace Features: Wood Burning
  • Fireplaces Total: 2
  • Flooring: Carpet, Hardwood, Tile, Vinyl/Linoleum
  • Interior Features: High Ceiling, Walk-in Closet

Measurements

  • Living Area: 2,700

Rooms

  • Bathrooms Full: 3
  • Bedrooms Total: 4

Parking

Parking

  • Attached Garage: Yes
  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Attached Garage, Off-Street Parking

Schools

Elementary School

  • Elementary School District: San Mateo-Foster City Elementary

High School

  • High School District: San Mateo Union High

Utilities

Equipment

  • Heating: Central Forced Air
  • Laundry Features: In Utility Room
  • Sewer: Public Sewer
  • Utilities: Public Utilities, Water - Public
  • Water Source: Public

Frequently Asked Questions

How many bedrooms does this single-family home have?

There are 4 bedrooms in this single-family home at 623 Cornwallis Lane.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 623 Cornwallis Lane.

How does 623 Cornwallis Lane compare to other single-family homes in Foster City?

This single-family home is listed 48% above the average price for single-family homes in Foster City and has been on the market for 24 less days than the typical home in this area.

What building or home owners association is the single-family home part of?

This single-family home is part of the Sea Colony home owners association.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,700 sqft.

623 Cornwallis Lane is a 4-bedroom single-family home for sale in Foster City CA 94404. Listed on Prevu for 5 days at $2,680,000. This property features 2,700 square feet of living space, located in Foster City. The median listing price for single-family homes in this area is $1,095,000. Additional amenities include pets allowed, parking, and swimming pool. View other single-family home listings in Foster City.

Based on information from MLSListings™️ and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.