Lower Hillsborough at its best: move-in ready mid-century modern home that was re-imagined in 2017 with an open floor plan, remodeled, kitchen, bathrooms & indoor/outdoor living. At the heart of the home, a custom-made dual-sided fireplace adds a dramatic focal point. The remodeled chef's kitchen equipped with sleek stainless steel appliances(Wolf stove), dual-ovens & custom cabinetry. Floor-to-ceiling dual-paned windows are the highlight of the living room with views of the valley & Bay while formal dining area and piano niche provide warmth with built-in bookshelves. The primary suite with a spa-like bathroom & walk-in closet are on the main level along with one additional bedroom and den, a full bathroom and powder room. Downstairs is your own private oasis with an additional ensuite bedroom, family room, library/game room and access the beautifully landscaped backyard. With a hot tub, fountain, 2 large entertaining patios and views, the outdoor spaces are the perfect complement to the home. The location, with Hillsborough's top ranked public schools, close proximity to San Francisco, Silicon Valley, and easy access to Burlingame shopping/restaurants, makes this an A+ home. County records show 3964 sq ft, Realist 3270 sq ft & floor plan sketch provided by sellers 3390 sq ft. Buyer to satisfy.
Single-familyProperty Type
1952Year Built
0.35 acresLot Size
$1,715Est. Price/Sq.Ft.
2 car garageParking
Listed by Alexa The Dwyer Group•DRE #70010007• Compass
Contact: 650-703-1183
Bought with Victor Lo•DRE #01346912• Sierra Investments
Lower Hillsborough at its best: move-in ready mid-century modern home that was re-imagined in 2017 with an open floor plan,remodeled,kitchen,bathrooms & indoor/outdoor living.At the heart of the home,a custom-made dual-sided fireplace adds a dramatic focal point.The remodeled chef's kitchen equipped with sleek stainless steel appliances(Wolf stove),dual-ovens & custom cabinetry.Floor-to-ceiling dual-paned windows are the highlight of the living room with views of the valley & Bay while formal dining area and piano niche provide warmth with built-in bookshelves.The primary suite with a spa-like bathroom & walk-in closet are on the main level along with one additional bedroom and den, a full bathroom and powder room. Downstairs is your own private oasis with an additional ensuite bedroom,family room,library/game room and access the beautifully landscaped backyard. With a hot tub, fountain, 2 large entertaining patios and views, the outdoor spaces are the perfect complement to the home.The location,with Hillsborough's top ranked public schools,close proximity to San Francisco, Silicon Valley,and easy access to Burlingame shopping/restaurants,makes this an A+ home. County records show 3964 sq ft, Realist 3270 sq ft & floor plan sketch provided by sellers 3390 sq ft.Buyer to satisfy.
bridgeMLS, Bay East AOR, or Contra Costa AOR #ML81500177
May 12, 2025
Listing Removed
—
MLSListings #ML81561652
Jun 29, 2016
Sold
$2,585,000
$763/sq ft
Mar 16, 2016
Pending
—
Feb 22, 2016
Listed
$2,682,000
$791/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$16,224 (+2.5%)
$2,907,000 + $1,377,000
$4,284,000
2024
$15,827 (+2.1%)
$32,317 + $952,054
$984,371
2023
$15,507 (+4.1%)
$31,684 + $933,387
$965,071
2022
$14,893 (+2.5%)
$31,063 + $915,086
$946,149
2021
$14,533 (+2.1%)
$30,454 + $897,144
$927,598
2020
$14,233 (−1.5%)
$29,857 + $879,554
$909,411
2019
$14,453 (+3.5%)
$29,551 + $870,536
$900,087
2018
$13,970 (+110.9%)
$28,972 + $853,468
$882,440
2017
$6,624 (−76.9%)
$27,848 + $184,636
$212,484
2016
$28,634 (+348.5%)
$27,848 + $184,636
$212,484
2015
$6,384 (+3.8%)
$1,919,498 + $333,979
$2,253,477
2014
$6,149 (+6.0%)
$63,989 + $168,965
$232,954
2012
$5,799 (+22.0%)
$63,700 + $168,202
$231,902
2011
$4,753 (+3.2%)
$62,451 + $164,904
$227,355
2010
$4,608 (+1.8%)
$61,227 + $161,671
$222,898
2009
$4,527 (−8.5%)
$60,770 + $160,463
$221,233
2008
$4,950
$60,915 + $160,845
$221,760
Tax history for 525 El Arroyo Rd
Year
Property tax
Land + Additions
Assessment*
2025
$16,224 (+2.5%)
$2,907,000 + $1,377,000
$4,284,000
2024
$15,827 (+2.1%)
$32,317 + $952,054
$984,371
2023
$15,507 (+4.1%)
$31,684 + $933,387
$965,071
2022
$14,893 (+2.5%)
$31,063 + $915,086
$946,149
2021
$14,533 (+2.1%)
$30,454 + $897,144
$927,598
2020
$14,233 (−1.5%)
$29,857 + $879,554
$909,411
2019
$14,453 (+3.5%)
$29,551 + $870,536
$900,087
2018
$13,970 (+110.9%)
$28,972 + $853,468
$882,440
2017
$6,624 (−76.9%)
$27,848 + $184,636
$212,484
2016
$28,634 (+348.5%)
$27,848 + $184,636
$212,484
2015
$6,384 (+3.8%)
$1,919,498 + $333,979
$2,253,477
2014
$6,149 (+6.0%)
$63,989 + $168,965
$232,954
2012
$5,799 (+22.0%)
$63,700 + $168,202
$231,902
2011
$4,753 (+3.2%)
$62,451 + $164,904
$227,355
2010
$4,608 (+1.8%)
$61,227 + $161,671
$222,898
2009
$4,527 (−8.5%)
$60,770 + $160,463
$221,233
2008
$4,950
$60,915 + $160,845
$221,760
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
3
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
0.35 Acres
Year renovated
1952
Sq. Ft.
3,964
Year built
1952
Style
Single Family Residential
County
San Mateo County
APN
031026010
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
Jan 3, 2018 • Final
Combination
Perform a major interior remodel and enclose an existing porch.
Addition
Remodel
Mar 30, 2016 • Final
Sewer video review for property sale
Perform a video inspection and review of the sewer line.
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
Parking
Parking Information
Garage (Minimum): 2
Garage (Maximum): 2
Parking Description: Attached Garage
Garage Spaces: 2
Parking Spaces: 1
Interior
Virtual Tour
Bedroom Information
# of Bedrooms (Minimum): 3
# of Bedrooms (Maximum): 3
Bathroom Information
# of Baths (Full): 3
# of Baths (1/2): 1
Room Information
Library
Family Room Description: Separate Family Room
Dining Room Description: Dining Area in Living Room, Eat in Kitchen
Interior Features
Laundry: Washer/Dryer
Fireplace Information
Has Fireplace
Fireplace Description: Gas Starter
Fireplaces (Minimum): 2
Heating & Cooling Information
Heating: Central Forced Air
Exterior
Exterior Features
View: Bay, Mountains, Neighborhood
Roof: Composition
Building Information
Subclass: Single Family Home
Building Type: Detached
Concrete Perimeter, Crawl Space
Pool Information
Pool Description: Spa - Above Ground
Property Features
Living Sq. Ft.: 3,390
Property Information
Property Primary ID: 531784
Land Information
Tract Name: Homeplace
Lot Information
Lot Acres: 0.3547
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Assessor
Zoning: R10025
Utilities
Utility Information
Sewer Septic: Sewer (Public)
Utilities: Public Utilities
Water Information
Water: Public
Location
Multi-Unit Information
# of Stories: 2
School Information
Elementary School District: Hillsborough City Elementary
Middle School: Crocker Middle
High School District: San Mateo Union High
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 3,964
Stories: 2.0
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1952
County: San Mateo County
APN: 031026010
Home facts updated by county records on Sep 2, 2026
Other
Miscellaneous Information
Incorporated: Yes
Around this home
Schools
North Hillsborough School
Public K-5 • Assigned • 0.5mi
9/10
Crocker Middle School
Public 6-8 • Assigned • 0.4mi
8/10
San Mateo High School
Public 9-12 • Assigned • 1.9mi
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 85° 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
71
57
72
58
73
61
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
$5.52M – $6.69M
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