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623 Cornwallis LNFoster City, CA 94404

Single Family · 4 Beds · 3 Full Baths · 2,700 Sq. ft. | 0.12 Acres
$2,680,000 Active

623 Cornwallis LN Overview

Time on Site:
17 days
Visits:
135

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.

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623 Cornwallis LN Facts & Features

  • Type Single Family
  • Sq. ft. 2,700
  • Price/Sq.ft. $993
  • Lot 0.12 Acres

Details

General

Association/HOA

  • Association Amenities: Club House,Community Pool
  • Association Fee: 180
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Pool, Spa, or Tennis
  • Association Name: Sea Colony
  • Association: 1

School Information

  • School District: San Mateo Union High

Building Information

  • Year Built: 1979

Location/Region

  • County Or Parish: San Mateo
  • MLS Area Major: FC- Nbrhood#7 - Sea Colony Etc.

General Information

  • Parcel Number: 094-885-010
  • Property Sub Type: Detached
  • Property Type: Residential
  • Zoning: R100PD

Interior

Parking Information

  • Garage Spaces: 2

Beds/Baths

  • Bathrooms Full: 3
  • Bedrooms Total: 4

General Information

  • Cooling: None
  • Fireplace Features: Wood Burning
  • Fireplace: 1
  • Flooring: Carpet,Hardwood,Tile,Vinyl / Linoleum
  • Foundation Details: Concrete Slab
  • Heating: Central Forced Air
  • Laundry Features: In Utility Room
  • Living Area: 2700
  • Security Features: None
  • Stories Total: 2

Exterior

Parking Information

  • Parking Features: Attached Garage,Off-Street Parking

Lot Information

  • Lot Features: Grade - Level
  • Lot Size Acres: 0.1232
  • Lot Size Source: Assessor
  • Water Source: Public

Waterfront/View

  • View: None

Building Exterior/Construction

  • Architectural Style: Traditional
  • Construction Materials: Other
  • Roof: Shingle

General Information

  • Fencing: Wood,Fenced Back,Fenced
  • Horse: No
  • Pool Features: Community Facility
  • Pool Private: 1
  • Sewer: Sewer - Public,Drainage - Sump
  • Utilities: Individual Gas Meters,Public Utilities

623 Cornwallis LN Neighborhood

Community

94404 (SAN MATEO) Demographics

40
Median Age
7,424
Population Density (per sq. mile)
77%
College Educated
$155,789
Estimated Median Income
7,297
Estimated Total Home Owners
6,521
Estimated Total Renters
53% / 47%
Estimated Owner / Renter Divide
3
Estimated Average Household Size
Community data courtesy of LiveBy, Inc.

Schools

School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

623 Cornwallis LN Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

623 Cornwallis LN Market Data

Based on the last 30 days in this zip code

$1,402,040
Average List Price
$915
Average Price per Square Foot
33
Properties Sold
76
Average Days on Market
216
Properties for Sale
Calculations provided by Reliance Network

623 Cornwallis LN History

Date Event Value Agent
6/12/2026Source: CRMLS Added to Database
June 12, 2026
Mary Bee
Listing Agent
6/12/2026Source: bridgeMLS Added to Database
June 12, 2026
Mary Bee
Listing Agent
6/12/2026Source: MLSListings Added to Database
June 12, 2026
6/12/2026Source: MLSListings Added to Database
June 12, 2026
6/12/2026Source: MLSListings Added to Database
June 12, 2026
6/12/2026Source: MLSListings Added to Database
June 12, 2026
6/12/2026Source: MLSListings Added to Database
June 12, 2026
Mary Bee
Listing Agent
6/8/2024Source: bridgeMLS Added to Database
June 08, 2024
11/10/2022Source: CRMLS Added to Database
November 10, 2022
Listing provided courtesy of Intero Real Estate ServicesMary Bee- MLS# ML82050965MLS ProviderContact Information: (650) 931-8300