166 Watermark Ter is a 3,389 square foot house on a 7,092 square foot lot with 5 bedrooms and 5 bathrooms. Based on Redfin's Hercules data, we estimate the home's value is $1,312,315.
Single-familyProperty Type
2003Year Built
7,092 sq ftLot Size
$387Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,312,315
$21K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 18.6% higher than the average sale price ($1.11M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$17,281 (−0.4%)
$435,056 + $638,183
$1,073,239
2024
$17,349 (+10.9%)
$426,526 + $625,670
$1,052,196
2023
$15,637 (−5.0%)
$418,163 + $613,402
$1,031,565
2022
$16,464 (+7.4%)
$409,964 + $601,375
$1,011,339
2021
$15,330 (+6.2%)
$401,926 + $589,584
$991,510
2020
$14,435 (−2.1%)
$372,128 + $545,872
$918,000
2019
$14,745 (+8.9%)
$358,000 + $526,000
$884,000
2018
$13,542 (+1.7%)
$368,885 + $541,115
$910,000
2017
$13,314 (+11.6%)
$332,401 + $487,599
$820,000
2016
$11,931 (+15.5%)
$332,401 + $487,599
$820,000
2015
$10,326 (+2.6%)
$296,324 + $434,676
$731,000
2014
$10,069 (+11.7%)
$240,383 + $352,617
$593,000
2013
$9,013 (+11.6%)
$240,383 + $352,617
$593,000
2012
$8,073 (−5.9%)
$227,614 + $333,886
$561,500
2011
$8,579 (−1.5%)
$212,413 + $311,587
$524,000
2010
$8,710 (−5.1%)
$212,413 + $311,587
$524,000
2009
$9,176 (−13.3%)
$227,614 + $333,886
$561,500
2008
$10,582
$258,827 + $379,673
$638,500
Tax history for 166 Watermark Ter
Year
Property tax
Land + Additions
Assessment*
2025
$17,281 (−0.4%)
$435,056 + $638,183
$1,073,239
2024
$17,349 (+10.9%)
$426,526 + $625,670
$1,052,196
2023
$15,637 (−5.0%)
$418,163 + $613,402
$1,031,565
2022
$16,464 (+7.4%)
$409,964 + $601,375
$1,011,339
2021
$15,330 (+6.2%)
$401,926 + $589,584
$991,510
2020
$14,435 (−2.1%)
$372,128 + $545,872
$918,000
2019
$14,745 (+8.9%)
$358,000 + $526,000
$884,000
2018
$13,542 (+1.7%)
$368,885 + $541,115
$910,000
2017
$13,314 (+11.6%)
$332,401 + $487,599
$820,000
2016
$11,931 (+15.5%)
$332,401 + $487,599
$820,000
2015
$10,326 (+2.6%)
$296,324 + $434,676
$731,000
2014
$10,069 (+11.7%)
$240,383 + $352,617
$593,000
2013
$9,013 (+11.6%)
$240,383 + $352,617
$593,000
2012
$8,073 (−5.9%)
$227,614 + $333,886
$561,500
2011
$8,579 (−1.5%)
$212,413 + $311,587
$524,000
2010
$8,710 (−5.1%)
$212,413 + $311,587
$524,000
2009
$9,176 (−13.3%)
$227,614 + $333,886
$561,500
2008
$10,582
$258,827 + $379,673
$638,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 29, 2020 • Final
Building - residential solar photovoltaic
Install a new roof-mounted photovoltaic system on a residential building.
Electrical
Solar
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: 10
Exterior
Property Information
Subdivision Name: SUBDIVISION 8595
Living Sq. Ft: 3,389
Ground Floor Sq. Ft: 1,803
Building Sq. Ft: 3,389
# of Stories: 2
Legal Description: T8595 L25
Parking & Garage Information
Garage/Parking Sq. Ft: 671
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,092
Legal Lot Number: 25
Acres: 0.1628
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 3,389
Stories: 2.0
Lot Size: 7,092 square feet
Style: Single Family Residential
Year Built: 2003
Year Renovated: 2003
County: Contra Costa County
APN: 4045300193
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Lupine Hills Elementary School
Public K-5 • Assigned • 1.8mi
4/10
Hercules Middle School
Public 6-8 • Assigned • 2.1mi
7/10
Hercules High School
Public 9-12 • Assigned • 2.1mi
9/10
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
0.46% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 90° 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
Hercules, CA • 94547
Average low and high temperatures (°F)
60
41
62
44
69
46
67
47
73
52
74
54
75
56
79
57
77
59
75
53
63
47
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.25M – $1.51M
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