Welcome to 663 Santa Maria Road in El Sobrante! This beautiful split-level duplex is a dream come true for those seeking a home that offers both comfort and income-generating potential*. The main house boasts 3 bedrooms, 2 bathrooms, and approximately 1,374 square feet of living space**, while the second unit provides an additional 1 bedroom, 1 bathroom, and approximately 557 square feet of living space**. Imagine the possibilities of living in one unit while renting out the other to help with your mortgage payments*. It's a win-win situation! *Neither seller nor listing agent has investigated or verified the accuracy of any of these sources of information, nor guarantee any short-term, nor increase in future long-term, rental income. **Per appraisal Nov. 2022.***Square footage per public records.
Single-familyProperty Type
1946Year Built
7,200 sq ftLot Size
$405Est. Price/Sq.Ft.
4 car garageParking
Listed by Aida Molina-polle•DRE #01423725• Red Oak Realty
Bought with David Lobato•DRE #01434478• eXp Realty of California Inc
First unit has tile, laminate and carpet flooring. The kitchen has a gas range. The second unit has granite countertops. There’s shared w/d and a spacious backyard.
3 years ago• May not reflect the current state of the home
Terry Kreuz
Redfin Associate agent
Sale history for 663 Santa Maria
Date
Event
Price
bridgeMLS, Bay East AOR, or Contra Costa AOR #41027056
Jul 7, 2023
Sold
$750,000
$387/sq ft
Jul 1, 2023
Pending
—
Jun 9, 2023
Contingent
—
May 26, 2023
Relisted
—
May 24, 2023
Pending
—
May 12, 2023
Listed
$699,000
$361/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #41027055
May 12, 2023
Listing Removed
—
May 12, 2023
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #41016352
Mar 24, 2023
Listing Removed
—
Mar 8, 2023
Relisted
—
Feb 23, 2023
Contingent
—
Jan 24, 2023
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #41016354
Mar 24, 2023
Listing Removed
—
Mar 8, 2023
Relisted
—
Feb 23, 2023
Contingent
—
Jan 24, 2023
Listed
*
Public Records
Oct 13, 1999
Sold
$194,000
$100/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #29026439
Oct 13, 1999
Sold
$189,000
$98/sq ft
Aug 25, 1999
Listing Removed
—
Aug 18, 1999
Listed
$189,950
$98/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #28643388
Aug 5, 1998
Sold
$115,000
$59/sq ft
Jun 30, 1998
Listing Removed
—
Mar 7, 1998
Listed
$118,000
$61/sq ft
Public Records
Dec 13, 1985
Sold
$64,000
$33/sq ft
Public Records
Jun 1, 1980
Sold
$34,000
$18/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$11,855 (+2.4%)
$530,604 + $249,696
$780,300
2024
$11,583 (+110.7%)
$520,200 + $244,800
$765,000
2023
$5,498 (+2.0%)
$510,000 + $240,000
$750,000
2022
$5,391 (+1.2%)
$147,721 + $138,854
$286,575
2021
$5,329 (+4.3%)
$144,825 + $136,132
$280,957
2020
$5,111 (+1.2%)
$141,986 + $133,463
$275,449
2019
$5,051 (+4.7%)
$140,531 + $132,095
$272,626
2018
$4,826 (+3.4%)
$137,776 + $129,505
$267,281
2017
$4,670 (+2.4%)
$132,427 + $124,477
$256,904
2016
$4,559 (+1.5%)
$132,427 + $124,477
$256,904
2015
$4,493 (+0.4%)
$129,831 + $122,037
$251,868
2014
$4,473 (+16.9%)
$125,376 + $117,850
$243,226
2013
$3,828 (+5.7%)
$125,376 + $117,850
$243,226
2012
$3,622 (−8.3%)
$103,094 + $96,906
$200,000
2011
$3,950 (+3.3%)
$103,000 + $97,000
$200,000
2010
$3,825 (+1.4%)
$119,964 + $112,763
$232,727
2009
$3,772 (+8.6%)
$119,068 + $111,921
$230,989
2008
$3,474
$119,351 + $112,187
$231,538
Tax history for 663 Santa Maria
Year
Property tax
Land + Additions
Assessment*
2025
$11,855 (+2.4%)
$530,604 + $249,696
$780,300
2024
$11,583 (+110.7%)
$520,200 + $244,800
$765,000
2023
$5,498 (+2.0%)
$510,000 + $240,000
$750,000
2022
$5,391 (+1.2%)
$147,721 + $138,854
$286,575
2021
$5,329 (+4.3%)
$144,825 + $136,132
$280,957
2020
$5,111 (+1.2%)
$141,986 + $133,463
$275,449
2019
$5,051 (+4.7%)
$140,531 + $132,095
$272,626
2018
$4,826 (+3.4%)
$137,776 + $129,505
$267,281
2017
$4,670 (+2.4%)
$132,427 + $124,477
$256,904
2016
$4,559 (+1.5%)
$132,427 + $124,477
$256,904
2015
$4,493 (+0.4%)
$129,831 + $122,037
$251,868
2014
$4,473 (+16.9%)
$125,376 + $117,850
$243,226
2013
$3,828 (+5.7%)
$125,376 + $117,850
$243,226
2012
$3,622 (−8.3%)
$103,094 + $96,906
$200,000
2011
$3,950 (+3.3%)
$103,000 + $97,000
$200,000
2010
$3,825 (+1.4%)
$119,964 + $112,763
$232,727
2009
$3,772 (+8.6%)
$119,068 + $111,921
$230,989
2008
$3,474
$119,351 + $112,187
$231,538
*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
4
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
7,200 Sq. Ft.
Year renovated
1984
Sq. Ft.
1,859
Year built
1946
Style
Multi-Family (2-4 Unit)
County
Contra Costa County
APN
4250220169
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 17, 2026.
Oct 20, 2023 • Final
Building/residential/al/alteration
Perform a bathroom remodel.
Bathroom
Jul 19, 2023 • Final
Building - residential plumbing
Install automatic gas shut-off valves for a duplex and a water heater meter.
Gas
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 Spaces: 4
Covered Spaces: 4
Parking Features: Off Street, Space Per Unit - 2, Parking Lot, No Garage
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
ADU Baths Full: 1
Interior Features
Interior Features: Tile Counters
Appliances: Free-Standing Range, Refrigerator, Dryer, Washer, Gas Water Heater
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2023. This data may not match public records. Learn more.