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257 S Ashton AvenueMillbrae, CA 94030

For Sale

$2,988,000

Smart Buyer Rebate $29,880

Welcome to Mills Estates. Nestled on a generous 10,500 sqft lot in Millbrae's most sought-after neighborhood, this expansive single-family residence offers over 3,000 sqft of thoughtfully curated living space. 5 generously proportioned bedrooms and 4 full bathrooms, including 3 bedroom suites, create a refined balance of comfort, privacy, and versatility. Elegant formal living and dining rooms set the tone for elevated everyday living, anchored by a welcoming fireplace and complemented by a full bar ideal for entertaining. The gourmet kitchen is equipped with a Bertazzoni range and stainless steel appliances. Natural light flows throughout the home, enhancing the sense of openness across multiple living areas. The oversized primary suite offers a serene retreat with a spa-inspired bathroom featuring a jetted soaking tub and oversized shower stall. The expansive lot provides rare breathing room with opportunities for outdoor entertaining, and basking in your very own garden. The detached garage offers parking, storage, and ADU potential for added flexibility and privacy. Located near top schools, parks & trails, dining, major commuter routes, & Mills-Peninsula Medical Center, this is a rare opportunity to enjoy space, elegance, and lifestyle convenience in the heart of Millbrae.

Listed by Nestor Icaza

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License #02000633

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eXp Realty of California Inc

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650-551-9899

Last updated January 29, 2026

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Source: MLSListings #ML82032229

Listing Facts

  • TypeSingle-family
  • NeighborhoodMills Estates
  • Bedrooms5
  • Days on Prevu9
  • Size3,000 sqft
  • Price per sqft$996

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

01/26/2026
Status changed to Active
$2,988,000
01/25/2026
Status changed to Removed from Feed
$2,988,000
01/23/2026
Status changed to Active
$2,988,000
01/23/2026
Status changed to Removed from Feed
$2,988,000
01/22/2026
Listed by eXp Realty of California Inc
$2,988,000

Property Details for 257 S Ashton Avenue

Exterior

Construction

  • Roof: Shingle
  • Stories: 1
  • Year Built: 1956
  • Year Built Details: 2

Features

  • Fencing: Gate, Wood
  • Other Structures: Garage
  • Patio And Porch Features: Back Yard, Deck, Dog Run/Kennel, Fenced

Measurements

  • Building Area Total: 3,000
  • Lot Size Area: 10,500
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 10,500
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 024-301-170

Interior

Features

  • Appliances: Dishwasher, Garbage Disposal, Hood Over Range, Oven Range - Gas, Refrigerator, Washer/Dryer
  • Fireplace Features: Gas Burning, Living Room
  • Fireplaces Total: 1
  • Flooring: Hardwood, Tile
  • Interior Features: High Ceiling, Skylight(s), Wet Bar, Walk-in Closet, Security Gate

Measurements

  • Living Area: 3,000

Rooms

  • Bathrooms Full: 4
  • Bedrooms Total: 5

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Detached
  • Parking Total: 4

Schools

Elementary School

  • Elementary School District: Millbrae Elementary

High School

  • High School District: San Mateo Union High

Utilities

Equipment

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

Frequently Asked Questions

How many bedrooms does this single-family home have?

There are 5 bedrooms in this single-family home at 257 S Ashton Avenue.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 257 S Ashton Avenue.

How does 257 S Ashton Avenue compare to other single-family homes in Mills Estates?

This single-family home is listed 38% below the average price for single-family homes in Mills Estates and has been on the market for 24 less days than the typical home in this area.

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

According to the MLS, this listing is 3,000 sqft.

257 S Ashton Avenue is a 5-bedroom single-family home for sale in Millbrae CA 94030. Listed on Prevu for 9 days at $2,988,000. This home features 3,000 square feet of living space, located in San Mateo County. The median listing price for single-family homes in this area is $627,000. Additional amenities include private outdoor space, dishwasher, pets allowed, and parking. Explore more single-family home listings in San Mateo County.

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.