1660 Observation Way is a 3,527 square foot house on a 8,627 square foot lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Antioch data, we estimate the home's value is $802,089.
Single-familyProperty Type
2002Year Built
8,627 sq ftLot Size
$227Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$802,089
$18K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.3% higher than the average sale price ($741K) 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*
2026
$5,447 (+2.6%)
$91,937 + $346,762
$438,699
2025
$5,307 (+2.4%)
$91,937 + $346,762
$438,699
2024
$5,184 (+3.6%)
$90,135 + $339,963
$430,098
2023
$5,003 (+1.5%)
$88,368 + $333,298
$421,666
2022
$4,929 (+3.0%)
$86,636 + $326,763
$413,399
2021
$4,786 (+1.0%)
$84,938 + $320,356
$405,294
2020
$4,741 (+1.3%)
$83,273 + $314,075
$397,348
2019
$4,682 (+3.8%)
$82,420 + $310,855
$393,275
2018
$4,510 (+2.0%)
$80,804 + $304,760
$385,564
2017
$4,420 (+2.4%)
$77,667 + $292,927
$370,594
2016
$4,317 (−6.5%)
$77,667 + $292,927
$370,594
2015
$4,615 (−14.0%)
$76,145 + $287,184
$363,329
2014
$5,366 (−15.4%)
$73,533 + $277,330
$350,863
2013
$6,345 (+0.9%)
$73,533 + $277,330
$350,863
2012
$6,288 (+3.0%)
$64,550 + $243,450
$308,000
2011
$6,106 (−6.6%)
$64,550 + $243,450
$308,000
2010
$6,537 (−0.2%)
$60,673 + $228,827
$289,500
2009
$6,549 (−22.5%)
$69,834 + $263,374
$333,208
2008
$8,456
$70,000 + $264,000
$334,000
Tax history for 1660 Observation Way
Year
Property tax
Land + Additions
Assessment*
2026
$5,447 (+2.6%)
$91,937 + $346,762
$438,699
2025
$5,307 (+2.4%)
$91,937 + $346,762
$438,699
2024
$5,184 (+3.6%)
$90,135 + $339,963
$430,098
2023
$5,003 (+1.5%)
$88,368 + $333,298
$421,666
2022
$4,929 (+3.0%)
$86,636 + $326,763
$413,399
2021
$4,786 (+1.0%)
$84,938 + $320,356
$405,294
2020
$4,741 (+1.3%)
$83,273 + $314,075
$397,348
2019
$4,682 (+3.8%)
$82,420 + $310,855
$393,275
2018
$4,510 (+2.0%)
$80,804 + $304,760
$385,564
2017
$4,420 (+2.4%)
$77,667 + $292,927
$370,594
2016
$4,317 (−6.5%)
$77,667 + $292,927
$370,594
2015
$4,615 (−14.0%)
$76,145 + $287,184
$363,329
2014
$5,366 (−15.4%)
$73,533 + $277,330
$350,863
2013
$6,345 (+0.9%)
$73,533 + $277,330
$350,863
2012
$6,288 (+3.0%)
$64,550 + $243,450
$308,000
2011
$6,106 (−6.6%)
$64,550 + $243,450
$308,000
2010
$6,537 (−0.2%)
$60,673 + $228,827
$289,500
2009
$6,549 (−22.5%)
$69,834 + $263,374
$333,208
2008
$8,456
$70,000 + $264,000
$334,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
P-D
Planned Development District
This district accommodates various types of development, such as neighborhood and district shopping centers, professional and administrative offices multiple housing developments, single-family residential developments, commercial service centers, and industrial parks, or any other use or combination of uses which are appropriately a part of a planned development. This district is intended to enable and encourage flexibility in the design and development of land so as to promote its most appropriate use; to allow diversification in the relationship of various uses, structures, and space; to facilitate the adequate and economical provision of streets and utilities; to preserve the natural and scenic qualities of open space; to offer recreational opportunities convenient to residents to enhance the appearance of neighbor-hoods through the preservation of natural green spaces; and to counteract the effects of urban con-gestion and monotony. The minimum area required for the establishment of a residential Planned Development shall be three contiguous acres of land and the minimum area for an exclusively non-residential Planned Development shall be one contiguous acre of land.; Planned Development Districts are intended to accommodate a wide range of residential, commercial and industrial land uses which are mutually supportive and compatible with existing and proposed develop-ment on surrounding properties. P-D Districts shall encourage the use of flexible development standards designed to appropriately integrate a project into its natural and/or man-made setting and shall provide for a mix of land uses to serve identified community needs. In addition, P-D Districts shall orient pedestrian and bicycle facilities to encourage non-auto oriented circulation within the development. Further-more, the P-D process may be used to implement the various Specific Plans adopted by the city. Once established, the P-D District becomes, in effect, the zoning code for the area within its respective boundaries.
Permitted uses
Include but are not limited to:
No uses permitted by right
Property details
Interior
Room Information
# of Rooms: 12
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 8525
Living Sq. Ft: 3,527
Ground Floor Sq. Ft: 1,727
Building Sq. Ft: 3,527
# of Stories: 2
Legal Description: T8525 L1047
Parking & Garage Information
Garage/Parking Sq. Ft: 648
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,627
Legal Lot Number: 1047
Acres: 0.198
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,527
Stories: 2.0
Lot Size: 8,627 square feet
Style: Single Family Residential
Year Built: 2002
Year Renovated: 2002
County: Contra Costa County
APN: 0556900041
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
Lone Tree Elementary School
Public K-5 • Assigned • 0.4mi
3/10
Dallas Ranch Middle School
Public 6-8 • Assigned • 0.9mi
3/10
Deer Valley High School
Public 9-12 • Assigned • 0.9mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The market in Antioch right now has inventory numbers of over 2.5 months of housing supply. Homes that are priced properly, and presented well, can expect an offer with about a 21 day year to date timeline. Buyers look for recent upgrades, including...