623 Cornwallis Lane, Foster City, CA 94404 (MLS # ML82050965)
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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.
| LAST UPDATED | 8/14/2026 | TRACT | Sea Colony |
|---|---|---|---|
| YEAR BUILT | 1979 | GARAGE SPACES | 2.0 |
| COUNTY | San Mateo | STATUS | Active |
| PROPERTY TYPE(S) | Single Family |
| PRICE HISTORY | |
| Prior to Aug 13, '26 | $2,680,000 |
|---|---|
| Aug 13, '26 - Today | $2,499,999 |
| ADDITIONAL DETAILS | |
| AIR | None |
|---|---|
| APPLIANCES | Disposal, Range Hood |
| CONSTRUCTION | Other |
| FIREPLACE | Yes |
| GARAGE | Attached Garage, Yes |
| HEAT | Central, Forced Air |
| HOA DUES | 180 |
| INTERIOR | Double Vanity, Eat-in Kitchen, High Ceilings, Walk-In Closet(s) |
| LOT | 5367 sq ft |
| LOT DESCRIPTION | Level |
| LOT DIMENSIONS | 5368.00 |
| PARKING | Off Street, Attached |
| POOL DESCRIPTION | Community |
| SEWER | Public Sewer |
| STORIES | 2 |
| STYLE | Traditional |
| SUBDIVISION | Sea Colony |
| UTILITIES | Cable Available |
| VIEW DESCRIPTION | None |
| WATER | Public |
| ZONING | R100PD |
The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the MLSListings™ MLS system. All real estate listings in the MLSListings MLS system are marked with the MLSListings Internet Data Exchange icon (a stylized house inside a circle), and detailed information about them includes the names of the listing brokers and listing agents.
Based on information from MLSListings MLS as of 8/15/26 4:20 PM PDT. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Copyright 2026 MLSListings Inc. All rights reserved.
This IDX solution is (c) Diverse Solutions 2026.
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