504 Middlesex Rd is a 1,578 square foot house on a 6,617 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on May 24, 1991 for $268,000. Based on Redfin's Belmont data, we estimate the home's value is $2,462,310.
Single-familyProperty Type
1953Year Built
6,617 sq ftLot Size
$1,560Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,462,310
$2.2M since sold in May 1991$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.2% higher than the average sale price ($2.28M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 11, 2023 • Final
Utility pw
Replace the overhead transformer and install a new service cable in the back of the property. Parking is located in the right of way.
Electrical
Jan 13, 2023 • Final
Addition
Addition
Bathroom
Kitchen
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 3
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Stucco
Roof Covering Type: Composition
Roof Shape Type: Composition
Property Information
Subdivision Name: STERLING DOWNS BELM
Living Sq. Ft: 1,578
Ground Floor Sq. Ft: 1,578
Building Sq. Ft: 1,958
# of Stories: 1
Legal Description: LOT 5 BLOCK 16 STERLING DOWNS RSM 35/25 26 27 CITY OF BELMONT
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 379
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,617
Legal Lot Number: 5
Legal Block Number: 16
Acres: 0.1519
Depth Footage: 111
Front Footage: 59
Zoning Code: R10006
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,578
Stories: 1.0
Lot Size: 6,617 square feet
Style: Single Family Residential
Year Built: 1953
Year Renovated: 1967
County: San Mateo County
APN: 040272110
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Nesbit Elementary School
Public K-8 • Assigned • 0.2mi
6/10
Carlmont High School
Public 9-12 • Assigned • 1.6mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Belmont buyers are still moving quickly when the right home hits the market. Homes averaged just 12 days on market and sold for 106% of asking price in June. If you're thinking about selling, presentation and pricing still make a big difference.