Evoking the romance and timeless elegance of classic Spanish Colonial Revival architecture, this enchanting residence welcomes with a sun-drenched brick courtyard framed by lush gardens and climbing bougainvillea. Rich in character, the home showcases exposed wood beams, hand-laid terracotta tile, and artisan-inspired finishes that create a warm yet sophisticated ambiance throughout. Designed for effortless indoor-outdoor living, the expansive courtyard terrace offers multiple gathering spaces ideal for entertaining, quiet mornings, or alfresco dining beneath the canopy of mature landscaping. A sprawling lawn with a grand fountain frame the rear of the property. Charming balconies, arched passageways, and architectural detailing lend an old-world European feel while abundant natural light enhances the homes inviting atmosphere. Inside, the home boasts nearly 6,000 square feet of living space, including multiple separate living quarters perfect for large families, live-in help or guests. Exquisite woodwork and details are abundant throughout the household, with hand-carved fireplaces, curved leaded glass windows, and hand-painted murals. Private, serene, and full of architectural distinction, this is a rare offering that captures the beauty and craftsmanship of a bygone era.
Single-familyProperty Type
1930Year Built
0.48 acresLot Size
$1,292Price/Sq.Ft.
2 garage spacesParking
Listed by Pierre & Alex Pierre & Alex Buljan•DRE #70014994• Compass
Bought with Charles Griffith•DRE #01899593• Golden Gate Sotheby's International Realty
Est. $10,272 per month, based on comparable rentals
Sale and tax history for 420 El Arroyo Rd
Sale History
Tax History
Date
Event
Price
MLSListings #ML82046653
Jun 10, 2026
Sold
$6,500,000
$1,292/sq ft
May 12, 2026
Pending
—
May 11, 2026
Listed
$5,995,000
$1,192/sq ft
May 11, 2026
Listed
*
There are no remarks available.
Year
Property tax
Land + Additions
Assessment*
2025
$10,815 (+2.8%)
$110,742 + $400,037
$510,779
2024
$10,523 (+2.4%)
$108,571 + $392,194
$500,765
2023
$10,275 (+4.0%)
$106,443 + $384,504
$490,947
2022
$9,880 (+2.8%)
$104,356 + $376,965
$481,321
2021
$9,609 (+2.4%)
$102,310 + $369,574
$471,884
2020
$9,388 (+3.7%)
$100,304 + $362,328
$462,632
2019
$9,055 (+4.0%)
$99,276 + $358,613
$457,889
2018
$8,702 (+4.0%)
$97,330 + $351,582
$448,912
2017
$8,366 (+4.7%)
$93,551 + $337,931
$431,482
2016
$7,994 (+3.6%)
$93,551 + $337,931
$431,482
2015
$7,717 (+3.5%)
$91,717 + $331,305
$423,022
2014
$7,458 (−2.6%)
$88,571 + $319,937
$408,508
2012
$7,655 (+7.5%)
$88,171 + $318,492
$406,663
2011
$7,121 (+2.7%)
$86,443 + $312,248
$398,691
2010
$6,934 (+1.2%)
$84,749 + $306,126
$390,875
2009
$6,853 (+2.1%)
$84,116 + $303,839
$387,955
2008
$6,710
$84,316 + $304,561
$388,877
Public record
Public record
Permits
Beds
6
Baths
4.5
Stories
2
Lot width
—
Lot depth
—
Lot size
0.48 Acres
Year renovated
—
Sq. Ft.
5,030
Year built
1930
Style
Single Family Residential
County
San Mateo County
APN
031012210
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
Aug 21, 2027 • Active
Utility infrastructure
Excavate a bell hole in the street to replace the gas service.
Gas
May 26, 2027 • Active
Lower sewer lateral
Install a new sewer line and perform work on the water and sewer systems.
Gas
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
Garage Information
# of Garage Spaces: 2
Has Attached Garage: Yes
Parking Information
# of Carport Spaces: 1
Has Carport: Yes
Has Garage: Yes
Parking Features: Attached Garage
Interior
Bathroom Information
# of Baths (Full): 5
# of Baths (1/2): 1
Dining Room Information
Breakfast Room, Formal Dining Room
Family Room Information
Separate Family Room
Fireplace Information
Fireplace Features: Living Room, Primary Bedroom
Flooring Information
Wood
Exterior
Building Information
Foundation Details: Crawl Space
Roof: Tile
Stories
Stories: 2
Style
Architectural Style: Spanish
Year Built
Year Built Details: 2
Property Features
Secondary Living Space (Sq. Ft.): 1,155
Property Information
Building Area Total (Sq. Ft.): 5,030
Financial
Financial Information
Buyer Financing: Conventional
Utilities
Heating & Cooling
Heating: Central Forced Air
Utility Information
Gas: Public Utilities
Sewer: Public Sewer
Utilities: Public Utilities, Public Water
Water Source: Public
Location
School Information
Elementary School: North Hillsborough
Elementary School District: Hillsborough City Elementary
High School: San Mateo High
High School District: San Mateo Union High
Middle/Junior High School: Crocker Middle
Location Information
MLS Area: Homeplace
Street Name: El Arroyo
Street Number: 420
WalkScore Information
Walk Score: 3
Public facts
Beds: 6
Baths: 4.5
Sq. Ft.: 5,030
Stories: 2.0
Lot Size: 0.48 acres
Style: Single Family Residential
Year Built: 1930
Year Renovated: —
County: San Mateo County
APN: 031012210
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
North Hillsborough School
Public K-5 • Assigned • 0.7mi
9/10
Crocker Middle School
Public 6-8 • Assigned • 0.7mi
8/10
San Mateo High School
Public 9-12 • Assigned • 1.9mi
9/10
Provided by GreatSchools
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
69
56
63
52
59
50
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
89/ 100
Very good sunlight
Sunscore
This home receives average direct sun exposure in Hillsborough. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10 hrs
6.2 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$9.28M – $11.24M
Reach more buyers when you sell with Redfin. Plus, you'll save $97,709 in fees.