bridgeMLS, Bay East AOR, or Contra Costa AOR #40553378
Mar 20, 2012
Listing Removed
—
Public Records
Jan 17, 2003
Sold
$626,000
$297/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #22026605
Jan 17, 2003
Sold
$625,800
$297/sq ft
Dec 10, 2002
Listing Removed
—
Aug 21, 2002
Listed
*
Public Records
Aug 23, 1999
Sold
$395,000
$187/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #29009683
Jul 22, 1999
Listing Removed
—
Public Records
May 24, 1984
Sold
$42,500
$20/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$11,664 (+4.8%)
$367,762 + $502,608
$870,370
2025
$11,128 (+4.8%)
$367,762 + $502,608
$870,370
2024
$10,616 (+1.5%)
$360,551 + $492,753
$853,304
2023
$10,461 (+1.6%)
$353,482 + $483,092
$836,574
2022
$10,299 (+2.4%)
$346,551 + $473,620
$820,171
2021
$10,062 (+0.2%)
$339,756 + $464,334
$804,090
2020
$10,038 (+1.1%)
$333,095 + $455,230
$788,325
2019
$9,933 (+3.8%)
$329,680 + $450,563
$780,243
2018
$9,566
$323,216 + $441,729
$764,945
2017
$9,566 (+2.5%)
$310,666 + $424,577
$735,243
2016
$9,333 (+1.9%)
$310,666 + $424,577
$735,243
2015
$9,157 (+23.7%)
$304,575 + $416,252
$720,827
2014
$7,404 (+0.7%)
$204,926 + $352,370
$557,296
2013
$7,352 (+23.0%)
$204,926 + $352,370
$557,296
2012
$5,977 (−7.5%)
$204,000 + $350,778
$554,778
2011
$6,463 (−1.4%)
$205,161 + $218,839
$424,000
2010
$6,557 (+25.2%)
$234,181 + $254,319
$488,500
2009
$5,238 (−31.7%)
$240,000 + $270,000
$510,000
2008
$7,667
$189,598 + $205,902
$395,500
Tax history for 631 Willow Lake Rd
Year
Property tax
Land + Additions
Assessment*
2026
$11,664 (+4.8%)
$367,762 + $502,608
$870,370
2025
$11,128 (+4.8%)
$367,762 + $502,608
$870,370
2024
$10,616 (+1.5%)
$360,551 + $492,753
$853,304
2023
$10,461 (+1.6%)
$353,482 + $483,092
$836,574
2022
$10,299 (+2.4%)
$346,551 + $473,620
$820,171
2021
$10,062 (+0.2%)
$339,756 + $464,334
$804,090
2020
$10,038 (+1.1%)
$333,095 + $455,230
$788,325
2019
$9,933 (+3.8%)
$329,680 + $450,563
$780,243
2018
$9,566
$323,216 + $441,729
$764,945
2017
$9,566 (+2.5%)
$310,666 + $424,577
$735,243
2016
$9,333 (+1.9%)
$310,666 + $424,577
$735,243
2015
$9,157 (+23.7%)
$304,575 + $416,252
$720,827
2014
$7,404 (+0.7%)
$204,926 + $352,370
$557,296
2013
$7,352 (+23.0%)
$204,926 + $352,370
$557,296
2012
$5,977 (−7.5%)
$204,000 + $350,778
$554,778
2011
$6,463 (−1.4%)
$205,161 + $218,839
$424,000
2010
$6,557 (+25.2%)
$234,181 + $254,319
$488,500
2009
$5,238 (−31.7%)
$240,000 + $270,000
$510,000
2008
$7,667
$189,598 + $205,902
$395,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 8, 2023 • Final
Building - residential re-roof
Tear off and replace roofing on both sloped and flat surfaces. Install shingles on the sloped roof and a three-ply modified bitumen heat-fused roofing system on the flat roof. Ensure the installation meets cool roof requirements.
Remove and replace an existing dock with a new aluminum dock.
Addition
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: 8
Exterior
Property Information
Living Sq. Ft: 2,107
Ground Floor Sq. Ft: 2,107
Building Sq. Ft: 2,107
# of Stories: 1
Legal Description: T04378 L0029 B EX 3/4 MR
Parking & Garage Information
Garage/Parking Sq. Ft: 504
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,000
Legal Lot Number: 29
Acres: 0.2066
Zoning Code: F-1
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Waterfront
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,107
Stories: 1.0
Lot Size: 9,000 square feet
Style: Single Family Residential
Year Built: 1982
Year Renovated: 1997
County: Contra Costa County
APN: 0042650036
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Discovery Bay Elementary School
Public K-5 • Assigned • 1.0mi
8/10
Excelsior Middle School
Public 6-8 • Assigned • 3.6mi
4/10
Liberty High School
Public 9-12 • Assigned • 5.6mi
7/10
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
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 102° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
20 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Discovery Bay, CA • 94505
Average low and high temperatures (°F)
59
39
63
44
72
49
73
49
82
55
89
58
92
60
95
62
88
62
75
54
64
46
56
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 12.6 hours in
June and 4.7 hours in December, placing it above the
U.S. average for solar exposure.
12.6 hrs
4.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.07M – $1.29M
Reach more buyers when you sell with Redfin. Save up to $11,227 in fees.3 minutes to get started.