520 Hayne Rd is a 2,230 square foot house on a 0.35 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on April 12, 1976 for $154,000. Based on Redfin's Hillsborough data, we estimate the home's value is $5,210,512.
Single-familyProperty Type
1935Year Built
0.35 acresLot Size
$2,337Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$5,210,512
$5.1M since sold in April 1976$88K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 22.3% higher than the average sale price ($4.26M) 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
Aug 16, 2011 • Final
Remodel
Remodel an existing bathroom and add a new half bathroom.
Bathroom
Remodel
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 Fuel Type: Gas
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Colonial
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Wood
Building Type: Detached
View Information
View: Good
Property Information
Subdivision Name: BOWIE ESTATE MAP 01
Living Sq. Ft: 2,230
Ground Floor Sq. Ft: 1,240
Building Sq. Ft: 3,230
# of Stories: 2
Legal Description: ARB LOT 18 PER ASSESSORS MAP OF HOWARD 12 AC TR TOWN OF HILLSBOROUGH
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 380
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,118
Legal Lot Number: 18
Acres: 0.3471
Depth Footage: 128
Front Footage: 122
Zoning Code: R10025
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,230
Stories: 2.0
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1935
Year Renovated: 1945
County: San Mateo County
APN: 031220400
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
South Hillsborough School
Public K-5 • Assigned • 0.3mi
9/10
Crocker Middle School
Public 6-8 • Assigned • 1.2mi
8/10
San Mateo High School
Public 9-12 • Assigned • 1.4mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
7 days above 86° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Hillsborough, CA • 94010
Average low and high temperatures (°F)
60
47
62
48
67
50
65
51
68
52
70
54
69
56
72
58
73
59
72
57
63
52
59
50
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.5 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.5 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$4.95M – $5.99M
Reach more buyers when you sell with Redfin. Save up to $52,105 in fees.3 minutes to get started.