644 Rock Rose Ln is a 2,847 square foot house on a 9,400 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on September 08, 2004 for $950,000. Based on Redfin's San Ramon data, we estimate the home's value is $2,027,100.
Single-familyProperty Type
1991Year Built
9,400 sq ftLot Size
$712Est. Price/Sq.Ft.
1 car garageParking
Source:Public Records
Redfin Estimate
$2,027,100
$1.1M since sold in September 2004$30K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.2% lower than the average sale price ($2.12M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #21005773
Feb 17, 2015
Listing Removed
—
Public Records
Sep 8, 2004
Sold
$950,000
$334/sq ft
Public Records
Jul 15, 2004
Sold
$125,000
$44/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11080938
Feb 25, 2001
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10229203
Sep 23, 1997
Sold
$459,000
$161/sq ft
Jan 23, 1997
Listing Removed
—
Dec 19, 1996
Listed
$459,000
$161/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #26229203
Jan 23, 1997
Sold
$459,000
$161/sq ft
Jan 2, 1997
Listing Removed
—
Dec 19, 1996
Listed
$459,000
$161/sq ft
Public Records
Jul 31, 1990
Sold
$501,500
$176/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$16,067 (+2.4%)
$580,085 + $770,602
$1,350,687
2024
$15,697 (+1.6%)
$568,711 + $755,493
$1,324,204
2023
$15,453 (+0.9%)
$557,560 + $740,680
$1,298,240
2022
$15,318 (+2.2%)
$546,628 + $726,157
$1,272,785
2021
$14,993 (+0.7%)
$535,910 + $711,919
$1,247,829
2020
$14,883 (+1.1%)
$525,402 + $697,960
$1,223,362
2019
$14,714 (+3.6%)
$520,015 + $690,804
$1,210,819
2018
$14,205 (+3.0%)
$509,819 + $677,259
$1,187,078
2017
$13,798 (+1.3%)
$490,023 + $650,961
$1,140,984
2016
$13,617 (+1.3%)
$490,023 + $650,961
$1,140,984
2015
$13,448 (+6.5%)
$480,415 + $638,198
$1,118,613
2014
$12,625 (+17.2%)
$439,137 + $583,363
$1,022,500
2013
$10,775 (+7.5%)
$439,137 + $583,363
$1,022,500
2012
$10,024 (+0.3%)
$370,421 + $492,079
$862,500
2011
$9,996 (−2.0%)
$346,585 + $460,415
$807,000
2010
$10,195 (+0.3%)
$346,585 + $460,415
$807,000
2009
$10,169 (−3.9%)
$357,322 + $474,678
$832,000
2008
$10,580
$357,322 + $474,678
$832,000
Tax history for 644 Rock Rose Ln
Year
Property tax
Land + Additions
Assessment*
2025
$16,067 (+2.4%)
$580,085 + $770,602
$1,350,687
2024
$15,697 (+1.6%)
$568,711 + $755,493
$1,324,204
2023
$15,453 (+0.9%)
$557,560 + $740,680
$1,298,240
2022
$15,318 (+2.2%)
$546,628 + $726,157
$1,272,785
2021
$14,993 (+0.7%)
$535,910 + $711,919
$1,247,829
2020
$14,883 (+1.1%)
$525,402 + $697,960
$1,223,362
2019
$14,714 (+3.6%)
$520,015 + $690,804
$1,210,819
2018
$14,205 (+3.0%)
$509,819 + $677,259
$1,187,078
2017
$13,798 (+1.3%)
$490,023 + $650,961
$1,140,984
2016
$13,617 (+1.3%)
$490,023 + $650,961
$1,140,984
2015
$13,448 (+6.5%)
$480,415 + $638,198
$1,118,613
2014
$12,625 (+17.2%)
$439,137 + $583,363
$1,022,500
2013
$10,775 (+7.5%)
$439,137 + $583,363
$1,022,500
2012
$10,024 (+0.3%)
$370,421 + $492,079
$862,500
2011
$9,996 (−2.0%)
$346,585 + $460,415
$807,000
2010
$10,195 (+0.3%)
$346,585 + $460,415
$807,000
2009
$10,169 (−3.9%)
$357,322 + $474,678
$832,000
2008
$10,580
$357,322 + $474,678
$832,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RS-6
Single-Family Residential Zone
The RS zone is applied to areas of the City appropriate for single-family residential land uses in neighborhoods at a density of three to six units per net acre, subject to appropriate standards. The specific allowable density for each parcel is shown on the Zoning Map by a numerical suffix residential density designator (see Section D2-8). Minimum lot size for new parcels ranges from 3,500 to 12,000 sq ft. Depending upon the applicable residential density designator, the RS zone is consistent with and implements the Single Family Low Density, Single Family Low-Medium Density, and Single Family Medium Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Nov 3, 2014 • Final
Photovoltaic - electrical
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
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Room Information
# of Rooms: 11
Exterior
Exterior Information
Foundation Type: Raised W/Crawlspace
Exterior Wall: Stucco
Pool Information
Has Pool
View Information
View: Good
Property Information
Living Sq. Ft: 2,847
Ground Floor Sq. Ft: 1,591
Building Sq. Ft: 2,847
# of Stories: 2
Legal Description: T7015 L76
Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 535
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,400
Legal Lot Number: 76
Acres: 0.2158
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,847
Stories: 2.0
Lot Size: 9,400 square feet
Style: Single Family Residential
Year Built: 1991
Year Renovated: 1991
County: Contra Costa County
APN: 2174010385
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Coyote Creek Elementary School
Public K-5 • Assigned • 0.5mi
10/10
Gale Ranch Middle School
Public 6-8 • Assigned • 1.1mi
10/10
Dougherty Valley High School
Public 9-12 • Assigned • 1.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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