This beautifully updated, split-level gem is in the coveted Baywood/Parrott Park neighborhood. The lower-level floor plan includes a bright living room, formal dining room, primary bedroom suite and bedroom. The gourmet eat-in kitchen opens to a sensational private patio with firepit, lush landscape and sprawling level lawn providing a seamless transition between the interior spaces & the incredible grounds. Fabulous grand staircase leads to the upper level that boasts 2 additional bedrooms and bathrooms. Explore the possibilities in this esteemed neighborhood just blocks to vibrant downtown San Mateo with shops, restaurants, cinema entertainment, parks and recreation. Easy access to both US 101 and 280, CALTRAIN and transportation makes this any commuters dream for San Francisco, SFO and Silicon Valley. The 4th bedroom is staged as an office the county shows 3 bedrooms 1 den
Single-familyProperty Type
1948Year Built
8,646 sq ftLot Size
$1,171Price/Sq.Ft.
2 car garageParking
Listed by Alexa The Dwyer Group•DRE #70010007• Compass
Contact: 650-703-1183
Bought with Alexa The Dwyer Group•DRE #70010007• Compass
Bought with George Langford•DRE #01719561• Compass
Est. $8,596 per month, based on comparable rentals
Sale and tax history for 21 De Sabla Rd
Sale History
Tax History
Date
Event
Price
bridgeMLS, Bay East AOR, or Contra Costa AOR #ML82041557
May 14, 2026
Sold
$2,950,000
$1,171/sq ft
May 14, 2026
Sold
$2,950,000
$1,171/sq ft
Apr 16, 2026
Pending
—
Apr 15, 2026
Pending
—
Apr 3, 2026
Listed
$2,975,000
$1,181/sq ft
Apr 3, 2026
Listed
$2,975,000
$1,181/sq ft
This beautifully updated, split-level gem is in the coveted Baywood/Parrott Park neighborhood. The lower-level floor plan includes a bright living room, formal dining room, primary bedroom suite and bedroom. The gourmet eat-in kitchen opens to a sensational private patio with firepit, lush landscape and sprawling level lawn providing a seamless transition between the interior spaces & the incredible grounds. Fabulous grand staircase leads to the upper level that boasts 2 additional bedrooms and bathrooms. Explore the possibilities in this esteemed neighborhood just blocks to vibrant downtown San Mateo with shops, restaurants, cinema entertainment, parks and recreation. Easy access to both US 101 and 280, CALTRAIN and transportation makes this any commuters dream for San Francisco, SFO and Silicon Valley. The 4th bedroom is staged as an office the county shows 3 bedrooms 1 den
bridgeMLS, Bay East AOR, or Contra Costa AOR #ML81732519
Apr 15, 2019
Sold
$2,599,000
$1,031/sq ft
Apr 15, 2019
Sold
$2,599,000
$1,031/sq ft
Apr 1, 2019
Pending
—
Mar 26, 2019
Contingent
—
Mar 22, 2019
Relisted
—
Mar 4, 2019
Contingent
—
Feb 21, 2019
Price Changed
$2,599,000
$1,031/sq ft
Jan 28, 2019
Price Changed
$2,750,000
$1,091/sq ft
Dec 3, 2018
Listed
$2,799,999
$1,111/sq ft
Dec 3, 2018
Listed
$2,599,000
$1,031/sq ft
+72
Masterful million dollar renovation creates fabulous two-level contemporary on almost 9,000 sf lot in coveted El Cerrito Park neighborhood bordering Hillsborough. Walk to over 200 downtown shops, restaurants & Cal Train. Park-like setting offers expansive Connecticut Bluestone patios, outdoor kitchen, gas fire pit, sprawling lawn and gardens. Indoor/outdoor sound system. Inside features 2,520 sf, 4 bds, 3 full Ba. refinished parquet wood flrs, Large flat Screen TV mounted above fireplace, crown molding, sweeping staircase, flr-to-ceiling windows, Hunter Douglas shades. Generous living and dining rms, gas fireplace, main level master, all new eat-in kitchen, stainless appliances, Sleek bathroom designs, glass tile, curbless, frameless showers, floating vanities, two-car tandem garage w/workshop, custom built-ins, epoxy floor, refinished driveway, fresh landscaping, front porch and stunning frosted glass entry. Fresh interior/exterior paint, tankless water heater, security alarm.
bridgeMLS, Bay East AOR, or Contra Costa AOR #ML80835280
Nov 14, 2008
Sold
$1,360,000
$540/sq ft
Nov 14, 2008
Sold
$1,360,000
$540/sq ft
Oct 20, 2008
Listing Removed
—
Oct 4, 2008
Contingent
—
Sep 19, 2008
Listed
$1,350,000
$536/sq ft
Sep 19, 2008
Listed
$1,350,000
$536/sq ft
Public Records
Oct 4, 1996
Sold
$675,000
$268/sq ft
Public Records
Dec 31, 1992
Sold
$340,000
$135/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$34,365 (+0.8%)
$2,161,872 + $795,340
$2,957,212
2024
$34,104 (+3.2%)
$2,119,483 + $779,746
$2,899,229
2023
$33,055 (+0.4%)
$2,077,925 + $764,457
$2,842,382
2022
$32,935 (−1.9%)
$2,037,182 + $749,468
$2,786,650
2021
$33,576 (+7.0%)
$1,997,238 + $734,773
$2,732,011
2020
$31,380 (+63.9%)
$1,958,077 + $720,366
$2,678,443
2019
$19,142 (+3.4%)
$1,938,000 + $712,980
$2,650,980
2018
$18,504 (+1.6%)
$784,995 + $784,995
$1,569,990
2017
$18,214 (+2.6%)
$754,513 + $754,513
$1,509,026
2016
$17,760 (−0.6%)
$754,513 + $754,513
$1,509,026
2015
$17,863 (+1.5%)
$739,719 + $739,719
$1,479,438
2014
$17,595 (+8.1%)
$714,336 + $714,336
$1,428,672
2012
$16,279 (+1.4%)
$711,108 + $711,108
$1,422,216
2011
$16,056 (+4.5%)
$697,165 + $697,165
$1,394,330
2010
$15,358 (+0.2%)
$683,496 + $683,496
$1,366,992
2009
$15,329 (+59.4%)
$678,388 + $678,388
$1,356,776
2008
$9,618
$680,000 + $680,000
$1,360,000
Public record
Public record
Zoning
Permits
Beds
3
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
8,646 Sq. Ft.
Year renovated
—
Sq. Ft.
2,520
Year built
1948
Style
Single Family Residential
County
San Mateo County
APN
032431100
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
R1B
Single-Family Residence Districts
The R1 Single-Family Residence Districts are intended to create, preserve and enhance areas suitable for single-family dwellings with a substantial presence of open space and opportunities for outdoor living. The R1 districts are intended to protect the character and variety of neighborhoods, preserve privacy and prevent burdens on public facilities, while allowing reasonable housing opportunities for families.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Mobile home park
Oct 27, 2023 • Final
Single family (addition) - add
Construct a new pre-manufactured studio-style detached accessory dwelling unit.
ADU
New construction
Mar 10, 2023 • Final
Public works - encroachment permits (temporary installation)
ADU
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.
Fireplace Description: Gas Starter, In Living Room
Fireplaces (Minimum): 1
Heating & Cooling Information
Heating: Central Forced Air (Gas)
Exterior
Exterior Features
Roof: Composition, Shingle
Yard/Grounds: Backyard, Fenced, Outdoor Kitchen
Building Information
Subclass: Single Family Home
Building Type: Detached
Concrete Perimeter, Crawl Space
Property Features
Living Sq. Ft.: 2,520
Property Information
Property Primary ID: 28148
Lot Information
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Assessor
Zoning: R20000
Utilities
Utility Information
Sewer Septic: Sewer (Public)
Utilities: Public Utilities
Water Information
Water: Public
Location
Multi-Unit Information
# of Stories: 1
School Information
Elementary School District: San Mateo-Foster City Elementary
High School District: San Mateo Union High
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,520
Stories: 1.0
Lot Size: 8,646 square feet
Style: Single Family Residential
Year Built: 1948
Year Renovated: —
County: San Mateo County
APN: 032431100
Home facts updated by county records on Sep 2, 2026
Other
Miscellaneous Information
Incorporated: Yes
Around this home
Schools
San Mateo Park Elementary School
Public K-5 • Assigned • 0.8mi
2/10
Borel Middle School
Public 6-8 • Assigned • 1.2mi
8/10
San Mateo High School
Public 9-12 • Assigned • 0.9mi
9/10
Provided by GreatSchools
Local insights from Redfin agents
San Mateo stayed one of the Peninsula's busiest markets. Homes averaged 110% of asking price, and buyers continue to compete for updated homes in neighborhoods like Aragon, Baywood and Beresford Park.