First time on the market....Rarely available, this 3,871 +/- sq./ft. 2 story, impeccably updated home is in one of San Ramon's most highly desirable and charming neighborhoods. You can't beat this location! Parks, shopping, Friday night concerts in Blackhawk Plaza, and top rated schools all moments from this large 4 bedroom 3 bath home located on a cul-de-sac! Owned solar, security system, and remodeled kitchen and primary bathroom, LARGE BONUS room, 1 bedroom and full bath on the main floor. Move right-in and spend your first day enjoying the large backyard and mature redwoods. *BONUS - NO HOA!
bridgeMLS, Bay East AOR, or Contra Costa AOR #40955299
Aug 11, 2021
Sold
$2,200,000
$568/sq ft
Jul 12, 2021
Pending
—
Jun 23, 2021
Listed
$1,989,000
$514/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$27,002 (+2.2%)
$1,298,917 + $1,082,432
$2,381,349
2024
$26,418 (+1.5%)
$1,273,449 + $1,061,208
$2,334,657
2023
$26,019 (+0.8%)
$1,248,480 + $1,040,400
$2,288,880
2022
$25,807 (+122.0%)
$1,224,000 + $1,020,000
$2,244,000
2021
$11,625 (+0.8%)
$1,200,000 + $1,000,000
$2,200,000
2020
$11,530 (+1.2%)
$316,606 + $607,726
$924,332
2019
$11,399 (+3.5%)
$313,360 + $601,495
$914,855
2018
$11,011 (+2.8%)
$307,216 + $589,701
$896,917
2017
$10,711 (+1.4%)
$295,288 + $566,803
$862,091
2016
$10,559 (+1.3%)
$295,288 + $566,803
$862,091
2015
$10,421 (+1.5%)
$289,499 + $555,690
$845,189
2014
$10,267 (+1.2%)
$279,566 + $536,623
$816,189
2013
$10,144 (+3.2%)
$279,566 + $536,623
$816,189
2012
$9,830 (+2.1%)
$278,303 + $534,198
$812,501
2011
$9,632 (+1.4%)
$272,847 + $523,724
$796,571
2010
$9,497
$267,498 + $513,455
$780,953
2009
$9,492 (+3.5%)
$265,499 + $509,618
$775,117
2008
$9,174
$266,130 + $510,829
$776,959
Tax history for 640 Rock Rose Ln
Year
Property tax
Land + Additions
Assessment*
2025
$27,002 (+2.2%)
$1,298,917 + $1,082,432
$2,381,349
2024
$26,418 (+1.5%)
$1,273,449 + $1,061,208
$2,334,657
2023
$26,019 (+0.8%)
$1,248,480 + $1,040,400
$2,288,880
2022
$25,807 (+122.0%)
$1,224,000 + $1,020,000
$2,244,000
2021
$11,625 (+0.8%)
$1,200,000 + $1,000,000
$2,200,000
2020
$11,530 (+1.2%)
$316,606 + $607,726
$924,332
2019
$11,399 (+3.5%)
$313,360 + $601,495
$914,855
2018
$11,011 (+2.8%)
$307,216 + $589,701
$896,917
2017
$10,711 (+1.4%)
$295,288 + $566,803
$862,091
2016
$10,559 (+1.3%)
$295,288 + $566,803
$862,091
2015
$10,421 (+1.5%)
$289,499 + $555,690
$845,189
2014
$10,267 (+1.2%)
$279,566 + $536,623
$816,189
2013
$10,144 (+3.2%)
$279,566 + $536,623
$816,189
2012
$9,830 (+2.1%)
$278,303 + $534,198
$812,501
2011
$9,632 (+1.4%)
$272,847 + $523,724
$796,571
2010
$9,497
$267,498 + $513,455
$780,953
2009
$9,492 (+3.5%)
$265,499 + $509,618
$775,117
2008
$9,174
$266,130 + $510,829
$776,959
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
8,200 Sq. Ft.
Year renovated
2001
Sq. Ft.
3,871
Year built
1991
Style
Single Family Residential
County
Contra Costa County
APN
2174010377
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
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
Feb 27, 2014 • Final
Alteration, remodel, repair - building residential
Remodel
Dec 27, 2013 • 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
Parking
Parking Information
Has Attached Garage
Garage Spaces: 3
Covered Spaces: 3
Parking Features: Attached, Int Access From Garage, Side Yard Access, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Interior Features
Interior Features: Bonus/Plus Room, Family Room, Formal Dining Room, Kitchen/Family Combo, Breakfast Bar, Counter - Solid Surface, Eat-in Kitchen, Pantry, Updated Kitchen, Central Vacuum
Appliances: Dishwasher, Electric Range, Disposal, Microwave, Range, Refrigerator, Self Cleaning Oven, Gas Water Heater
Laundry Features: 220 Volt Outlet, Laundry Room
Street Level Features: 1 Bedroom, 1 Bath, Laundry Facility, Main Entry
Fireplaces Total: 3
Has Fireplace
Flooring: Tile, Carpet
Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Counter - Solid Surface,Dishwasher,Eat In Kitchen,Electric Range/Cooktop,Garbage Disposal,Microwave,Pantry,Range/Oven Built-in,Refrigerator,Self-Cleaning Oven,Updated Kitchen
Rooms Total: 11
Fireplace Features: Family Room, Living Room
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 3,871
Exterior Features
Exterior Features: Back Yard, Front Yard
Property Information
Living Area: 3871
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1991
Lot Information
Lot Size Square Feet: 8200
Lot Size Area: 0.19
Lot Size Units: Acres
Lot Size Acres: 0.19
Lot Features: Regular
Utilities
Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Ceiling Fan(s), Zoned
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,871
Stories: 2.0
Lot Size: 8,200 square feet
Style: Single Family Residential
Year Built: 1991
Year Renovated: 2001
County: Contra Costa County
APN: 2174010377
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 • 1.4mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2021. This data may not match public records. Learn more.