3427 San Pablo Dam Rd is a 2,704 square foot house on a 0.5 acre lot with 5 bedrooms and 3 bathrooms. - it last sold on August 10, 2015 for $500,000. Based on Redfin's El Sobrante data, we estimate the home's value is $951,017.
Single-familyProperty Type
1938Year Built
0.5 acresLot Size
$352Est. Price/Sq.Ft.
2 garage spacesParking
Source:Public Records
Redfin Estimate
$951,017
$451K since sold in August 2015$2,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19.6% higher than the average sale price ($795K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40679899
Dec 18, 2014
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$11,525 (+1.9%)
$422,611 + $366,308
$788,919
2025
$11,305 (+14.7%)
$422,611 + $366,308
$788,919
2024
$9,858 (+15.9%)
$414,325 + $359,126
$773,451
2023
$8,503 (+1.4%)
$406,201 + $259,085
$665,286
2022
$8,389 (+0.4%)
$398,237 + $170,672
$568,909
2021
$8,357 (+4.4%)
$390,429 + $167,326
$557,755
2020
$8,008 (+1.5%)
$382,774 + $164,046
$546,820
2019
$7,891 (+3.9%)
$378,850 + $162,364
$541,214
2018
$7,598 (+2.3%)
$371,422 + $159,181
$530,603
2017
$7,425 (−30.3%)
$357,000 + $153,000
$510,000
2016
$10,654 (+341.5%)
$357,000 + $153,000
$510,000
2015
$2,413 (+0.8%)
$350,000 + $150,000
$500,000
2014
$2,395 (+2.2%)
$23,966 + $109,415
$133,381
2013
$2,344 (+7.9%)
$23,966 + $109,415
$133,381
2012
$2,172 (+3.6%)
$23,858 + $108,921
$132,779
2011
$2,098 (+4.5%)
$23,391 + $106,786
$130,177
2010
$2,008 (+1.3%)
$22,933 + $104,693
$127,626
2009
$1,982 (+10.5%)
$22,762 + $103,911
$126,673
2008
$1,793
$22,817 + $104,158
$126,975
Tax history for 3427 San Pablo Dam Rd
Year
Property tax
Land + Additions
Assessment*
2026
$11,525 (+1.9%)
$422,611 + $366,308
$788,919
2025
$11,305 (+14.7%)
$422,611 + $366,308
$788,919
2024
$9,858 (+15.9%)
$414,325 + $359,126
$773,451
2023
$8,503 (+1.4%)
$406,201 + $259,085
$665,286
2022
$8,389 (+0.4%)
$398,237 + $170,672
$568,909
2021
$8,357 (+4.4%)
$390,429 + $167,326
$557,755
2020
$8,008 (+1.5%)
$382,774 + $164,046
$546,820
2019
$7,891 (+3.9%)
$378,850 + $162,364
$541,214
2018
$7,598 (+2.3%)
$371,422 + $159,181
$530,603
2017
$7,425 (−30.3%)
$357,000 + $153,000
$510,000
2016
$10,654 (+341.5%)
$357,000 + $153,000
$510,000
2015
$2,413 (+0.8%)
$350,000 + $150,000
$500,000
2014
$2,395 (+2.2%)
$23,966 + $109,415
$133,381
2013
$2,344 (+7.9%)
$23,966 + $109,415
$133,381
2012
$2,172 (+3.6%)
$23,858 + $108,921
$132,779
2011
$2,098 (+4.5%)
$23,391 + $106,786
$130,177
2010
$2,008 (+1.3%)
$22,933 + $104,693
$127,626
2009
$1,982 (+10.5%)
$22,762 + $103,911
$126,673
2008
$1,793
$22,817 + $104,158
$126,975
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 7, 2025 • Final
Building/residential/al/alteration
Reconfigure the interior of an existing two-story house. Divide the upper level open space into a third bedroom, add a new window, relocate the front door, and enlarge the front windows. Perform electrical, plumbing, and mechanical work for a bathroom, laundry room, and bedroom, and replace a bedroom window with a larger one.
Remodel
Jul 19, 2024 • Final
Building - residential mechanical
Install bathroom exhaust fans and a dryer vent.
Bathroom
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
Interior
Room Information
# of Rooms: 2
Exterior
Property Information
Subdivision Name: SAN PABLO RHO
Living Sq. Ft: 2,623
Ground Floor Sq. Ft: 2,623
Building Sq. Ft: 2,623
# of Stories: 1
Legal Description: RO SAN PABLO POR LOT 122 .50 AC
Lot Information
# of Buildings: 2
Land Sq. Ft: 21,780
Legal Lot Number: 122
Acres: 0.5
Zoning Code: R-B
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,704
Stories: 1.0
Parking Spaces: 5
Basement: No
Accessible: No
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1938
Year Renovated: 2023
County: Contra Costa County
APN: 4200310276
HOA Dues: —
Garage: Yes
Features: —
Home facts updated by owner on May 23, 2025
Around this home
Schools
K - 12
Preschool & daycare
Riverside Elementary School
Public K-6 • Assigned • 0.8mi
4/10
Betty Reid Soskin Middle
Public 6-8 • Assigned • 1.8mi
2/10
De Anza Senior High School
Public 9-12 • Assigned • 2.0mi
4/10
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
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 87° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
El Sobrante, CA • 94803
Average low and high temperatures (°F)
59
44
61
45
67
49
65
49
69
51
68
52
69
54
73
55
73
58
69
53
61
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$904,000 – $1.09M
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