257 S Ashton Ave, Millbrae, CA 94030 - Photo 1

1/1

$3,450,000

Sold
Closed
Single Family
5 Beds
4 Full Baths
3,000 Sq. Ft.
2 Car Garage
Updated 10 days ago

1/1

Property Description

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.

Full Property Details

Full Property Details for 257 S Ashton Ave

General

Sold For: $3,450,000
Status: Closed
Type: Single Family
Source: RE_Infolink
MLS ID: ML82032229
Added to Site: 58 day(s) ago

Interior

Rooms/Areas: Den / Study / Office
Interior Features: High Ceiling , Security Gate, Skylight, Walk-In Closet, Wet Bar
Fireplace(s): Gas-Burning, Living Room
Flooring: Hardwood, Tile

Rooms

Bathrooms

Total Bathrooms: 4
Full Bathrooms: 4
Bathroom Features: Oversized Tub, Primary - Stall Shower(s), Primary - Tub with Jets, Showers over Tubs (2 or More), Solid Surface, Tile

Bedrooms

Total Bedrooms: 5
Bedroom Features: Primary Suite / Retreate - 2+, Walk-In Closet

Other Rooms

Family Room: Separate Family Room
Kitchen: Granite Countertop, Dishwasher, Garbage Disposal, Hood over Range, Gas Oven/Range, Refrigerator
Laundry: In Utility Room, Washer / Dryer

Additional Information

Extras: Not Applicable
Security/Safety: Security Fence

Parking

Garage Spaces: 2
Parking Features: Detached Garage

Location

Area: Mills Estate
County: San Mateo
Cross Streets: Lake Street

Heating & Cooling

Cooling Type: None
Heating Type: Central Air (Forced Air)

Utilities

Sewer: Public Sewer
Water: Public
Utility Description: Public Utilities

Structural Information

Construction: Detached, Wood Frame
Foundation: Concrete Perimeter
Roof: Shingle
Square Feet: 3,000
Year Built: 1956

Lot Features

Minimum Lot Size: 10500
Lot Size (Sq. Ft.): 10,500
Grounds/Landscape: Back Yard, Deck , Dog Run / Kennel, Fenced
Zoning: R10006
Fencing (Description): Gate, Wood

Green Features

Energy Efficient: Double-Pane Windows, Solar Power, Thermostat Controller

Listed by eXp Realty of California Inc, Nestor Icaza
Sold by Rcip, RECIP

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Listing agent

— 257 S Ashton Ave —

Nestor Icaza

eXp Realty of California Inc

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NMLS#: 1598647

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Schools

Schools serving 257 S Ashton Ave

School Districts:Millbrae Elementary School District, San Mateo Union High School District

Name	Grades	Distance
Spring Valley Elementary School, Millbrae, CA 817 Murchison Drive, Millbrae, CA 94030	K-5	0.1 mi
Taylor Middle School 850 Taylor Boulevard, Millbrae, CA 94030	6-8	0.8 mi
Mills High School 400 Murchison Drive, Millbrae, CA 94030	9-12	0.3 mi

Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 257 S Ashton Ave

Date

Details

Price

Change

Source

2/18/2026

Sold

$3,450,000

15.46%

MLS

1/23/2026

Listed

$2,988,000

—

MLS

Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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257 S Ashton Ave, Millbrae, CA 94030 (MLS# ML82032229) is a Single Family property that was sold at $3,450,000 on February 18, 2026. Want to learn more about 257 S Ashton Ave? Do you have questions about finding other Single Family real estate for sale in Millbrae? You can browse all Millbrae real estate or contact a Coldwell Banker agent to request more information.

257 S Ashton Ave Millbrae, CA 94030