Delightful St. Mary's Gardens 2600 sf home on a breathtaking level knoll at the end of a wonderful cul-de-sac. This light filled home has an excellent floor plan big flat backyard & outstanding views at the surrounding natural beauty! An incredible value!!!
Single-familyProperty Type
1969Year Built
0.3 acresLot Size
$743Est. Price/Sq.Ft.
3 spacesParking
Listed by Chris Swim•DRE #00943989• Pacific Union International
Listed by Tracy Keaton•DRE #01051349• Pacific Union International
Bought with Sue Olsen•DRE #00616156• Village Associates Real Estate
bridgeMLS, Bay East AOR, or Contra Costa AOR #40659760
Jul 8, 2014
Sold
$1,224,900
$464/sq ft
Jun 10, 2014
Pending
—
May 30, 2014
Listed
$1,195,000
$453/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$18,509 (+103.2%)
$1,103,294 + $438,611
$1,541,905
2024
$9,106 (−47.9%)
$1,081,661 + $430,011
$1,511,672
2023
$17,491 (+4.1%)
$1,060,452 + $421,580
$1,482,032
2022
$16,806 (+1.5%)
$1,039,659 + $413,314
$1,452,973
2021
$16,557 (+1.8%)
$1,019,274 + $367,955
$1,387,229
2020
$16,261 (−0.3%)
$999,289 + $360,741
$1,360,030
2019
$16,312 (+3.7%)
$989,043 + $357,043
$1,346,086
2018
$15,724 (+1.6%)
$969,650 + $350,043
$1,319,693
2017
$15,478 (+4.2%)
$931,999 + $336,451
$1,268,450
2016
$14,857 (+0.8%)
$931,999 + $336,451
$1,268,450
2015
$14,740 (+423.8%)
$913,725 + $329,854
$1,243,579
2014
$2,814 (+28.1%)
$49,968 + $72,978
$122,946
2013
$2,197 (+3.5%)
$49,968 + $72,978
$122,946
2012
$2,123 (+2.1%)
$49,743 + $72,649
$122,392
2011
$2,080 (+2.1%)
$48,768 + $71,225
$119,993
2010
$2,037 (+1.8%)
$47,812 + $69,829
$117,641
2009
$2,000 (+1.5%)
$47,455 + $69,308
$116,763
2008
$1,971
$47,568 + $69,473
$117,041
Tax history for 11 DEL RIO Ct
Year
Property tax
Land + Additions
Assessment*
2025
$18,509 (+103.2%)
$1,103,294 + $438,611
$1,541,905
2024
$9,106 (−47.9%)
$1,081,661 + $430,011
$1,511,672
2023
$17,491 (+4.1%)
$1,060,452 + $421,580
$1,482,032
2022
$16,806 (+1.5%)
$1,039,659 + $413,314
$1,452,973
2021
$16,557 (+1.8%)
$1,019,274 + $367,955
$1,387,229
2020
$16,261 (−0.3%)
$999,289 + $360,741
$1,360,030
2019
$16,312 (+3.7%)
$989,043 + $357,043
$1,346,086
2018
$15,724 (+1.6%)
$969,650 + $350,043
$1,319,693
2017
$15,478 (+4.2%)
$931,999 + $336,451
$1,268,450
2016
$14,857 (+0.8%)
$931,999 + $336,451
$1,268,450
2015
$14,740 (+423.8%)
$913,725 + $329,854
$1,243,579
2014
$2,814 (+28.1%)
$49,968 + $72,978
$122,946
2013
$2,197 (+3.5%)
$49,968 + $72,978
$122,946
2012
$2,123 (+2.1%)
$49,743 + $72,649
$122,392
2011
$2,080 (+2.1%)
$48,768 + $71,225
$119,993
2010
$2,037 (+1.8%)
$47,812 + $69,829
$117,641
2009
$2,000 (+1.5%)
$47,455 + $69,308
$116,763
2008
$1,971
$47,568 + $69,473
$117,041
*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
Zoning
Beds
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
0.3 Acres
Year renovated
2000
Sq. Ft.
2,574
Year built
1969
Style
Single Family Residential
County
Contra Costa County
APN
2583930033
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
3-DUA
Three Dwelling Units Per Acre Residential District
The purpose of the 3-DUA zoning districts is to provide for a residential environment consisting of low density, detached, single-family homes consistent with the general plan.
Permitted uses
Include but are not limited to:
Agriculture
Livestock production
Day care facility
Housing-Single unit
Housing-Other
Recreation
Agriculture-Cropland
Park & open space
Property details
Parking
Garage & Parking
Has Garage
# of Garage Spaces: 3
Attached Garage, Interior Access From Garage, Off Street Parking, Side Yard Access
Interior
Virtual Tour
Bathroom Information
# of Baths: 2
# of Partial Baths: 1
Shower Over Tub, Solid Surface, Tile
Master has Split Bath, Master has Solid Surface, Master has Stall Shower
Interior Features
# of Rooms: 10
# of Fireplaces: 1
Brick Fireplace, Fireplace in Living Room, Raised Hearth Fireplace, Woodburning Fireplace
Wall to Wall Carpeting, Hardwood Flooring, Tile Flooring, Vinyl Flooring
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2014. This data may not match public records. Learn more.