GATED ONE ACRE+ VIEW ESTATE! TUCKED OFF THE ROAD AMONG SOUTH HILLSBOROUGH'S MAJOR ESTATES, THIS HIDDEN JEWEL, DESIGNED BY E. RAY MILLER & R. D. STEINER, OFFERS ARCHITECTURAL FLAIR & UNLIMITED POTENTIAL. THE PRIVATE GATED ENTRY MAKES WAY TO A WORLD OF MANICURED GARDENS & SPECTACULAR VIEWS. 4BRs + (5TH BR OR AU PAIR), 3BAs + IN-LAW APT WITH BEDROOM/LR/1BATH. THIS IS A TRUST SALE.
Single-familyProperty Type
1951Year Built
1.36 acresLot Size
$2,425Est. Price/Sq.Ft.
Listed by Mary V Heron•DRE #01389116• Cashin Company
Bought with Rosalie McCloud•DRE #00466024• Golden Gate Sotheby's International Realty
Source:MLSListings #ML80801449
Redfin Estimate
$6,595,815
$1.1M since sold in May 2024$119K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 24.8% higher than the average sale price ($5.29M) of 5 comparable homes.
GATED ONE ACRE+ VIEW ESTATE! TUCKED OFF THE ROAD AMONG SOUTH HILLSBOROUGH'S MAJOR ESTATES, THIS HIDDEN JEWEL, DESIGNED BY E. RAY MILLER & R. D. STEINER, OFFERS ARCHITECTURAL FLAIR & UNLIMITED POTENTIAL. THE PRIVATE GATED ENTRY MAKES WAY TO A WORLD OF MANICURED GARDENS & SPECTACULAR VIEWS. 4BRs + (5TH BR OR AU PAIR), 3BAs + IN-LAW APT WITH BEDROOM/LR/1BATH. THIS IS A TRUST SALE.
Year
Property tax
Land + Additions
Assessment*
2025
$68,812 (+43.2%)
$4,005,540 + $1,716,660
$5,722,200
2024
$48,045 (+1.7%)
$3,927,000 + $1,683,000
$5,610,000
2023
$47,257 (+4.2%)
$3,219,408 + $551,186
$3,770,594
2022
$45,339 (+2.1%)
$3,156,283 + $540,379
$3,696,662
2021
$44,392 (+1.8%)
$3,094,396 + $529,784
$3,624,180
2020
$43,612 (+2.6%)
$3,033,722 + $519,397
$3,553,119
2019
$42,522 (+3.1%)
$3,002,615 + $514,073
$3,516,688
2018
$41,262 (+1.7%)
$2,943,741 + $503,994
$3,447,735
2017
$40,562 (+2.7%)
$2,829,433 + $484,425
$3,313,858
2016
$39,498 (+10.9%)
$2,829,433 + $484,425
$3,313,858
2015
$35,614 (+4.1%)
$2,773,954 + $474,928
$3,248,882
2014
$34,219 (+25.8%)
$2,390,500 + $409,500
$2,800,000
2012
$27,201 (+1.5%)
$1,878,000 + $322,000
$2,200,000
2011
$26,795 (−13.3%)
$1,878,000 + $322,000
$2,200,000
2010
$30,890 (−7.8%)
$1,915,000 + $285,000
$2,200,000
2009
$33,512 (+503.5%)
$2,400,000 + $200,000
$2,600,000
2008
$5,553
$2,500,000 + $350,000
$2,850,000
Tax history for 661 Hayne Rd
Year
Property tax
Land + Additions
Assessment*
2025
$68,812 (+43.2%)
$4,005,540 + $1,716,660
$5,722,200
2024
$48,045 (+1.7%)
$3,927,000 + $1,683,000
$5,610,000
2023
$47,257 (+4.2%)
$3,219,408 + $551,186
$3,770,594
2022
$45,339 (+2.1%)
$3,156,283 + $540,379
$3,696,662
2021
$44,392 (+1.8%)
$3,094,396 + $529,784
$3,624,180
2020
$43,612 (+2.6%)
$3,033,722 + $519,397
$3,553,119
2019
$42,522 (+3.1%)
$3,002,615 + $514,073
$3,516,688
2018
$41,262 (+1.7%)
$2,943,741 + $503,994
$3,447,735
2017
$40,562 (+2.7%)
$2,829,433 + $484,425
$3,313,858
2016
$39,498 (+10.9%)
$2,829,433 + $484,425
$3,313,858
2015
$35,614 (+4.1%)
$2,773,954 + $474,928
$3,248,882
2014
$34,219 (+25.8%)
$2,390,500 + $409,500
$2,800,000
2012
$27,201 (+1.5%)
$1,878,000 + $322,000
$2,200,000
2011
$26,795 (−13.3%)
$1,878,000 + $322,000
$2,200,000
2010
$30,890 (−7.8%)
$1,915,000 + $285,000
$2,200,000
2009
$33,512 (+503.5%)
$2,400,000 + $200,000
$2,600,000
2008
$5,553
$2,500,000 + $350,000
$2,850,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 18, 2025 • Final
Ev charger
Install a level 2 electric vehicle charger and a 240 volt outlet.
Electrical
Ev charger
Apr 29, 2024 • Final
Upper sewer lateral
Perform sewer and water tests and replace the lateral lines.
Plumbing
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
Room Information
# of Rooms: 9
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
Pool Information
Has Pool
View Information
View: Good
Property Information
Subdivision Name: BOWIE ESTATE MAP 01
Living Sq. Ft: 2,720
Gross Sq. Ft: 2,720
Ground Floor Sq. Ft: 2,720
Building Sq. Ft: 2,720
# of Stories: 1
Legal Description: 1.36 AC MOL BEING SWLY PTN OF LOT 3 MAP OF PTN OF LOT 11 B BOWIE EST NO 1 RSM 2/91 TOWN OF HILLSBOROUGH
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 59,432
Legal Lot Number: 3
Acres: 1.3644
Zoning Code: R10025
County Use Description: SINGLE FAMILY W/ ADU
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,720
Stories: 1.0
Lot Size: 1.36 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1961
County: San Mateo County
APN: 031211010
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
South Hillsborough School
Public K-5 • Assigned • 0.4mi
9/10
Crocker Middle School
Public 6-8 • Assigned • 1.3mi
8/10
San Mateo High School
Public 9-12 • Assigned • 1.6mi
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
4 days above 86° expected this year, 9 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
$6.27M – $7.59M
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