Very private location close to the 24. Do not miss the separate cottage. This house it seems to have been refreshed throughout recently. Nice views through the valley to the hills.
15 years ago• May not reflect the current state of the home
bridgeMLS, Bay East AOR, or Contra Costa AOR #40737352
Jun 13, 2016
Sold
$1,507,000
$778/sq ft
Jun 8, 2016
Pending
—
May 9, 2016
Contingent
—
Apr 21, 2016
Listed
*
Public Records
Feb 7, 2012
Sold
$755,000
$390/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11158539
Jan 3, 2007
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11174221
Jan 3, 2007
Listing Removed
—
Public Records
Oct 21, 2005
Sold
$925,000
$477/sq ft
Public Records
Feb 17, 1972
Sold
$50,000
$26/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$22,537 (+3.4%)
$1,567,780 + $251,873
$1,819,653
2025
$21,790 (+1.6%)
$1,567,780 + $251,873
$1,819,653
2024
$21,444 (+1.8%)
$1,537,040 + $246,935
$1,783,975
2023
$21,066
$1,506,902 + $242,094
$1,748,996
2022
$21,064 (+3.0%)
$1,477,355 + $237,348
$1,714,703
2021
$20,445
$1,448,388 + $232,695
$1,681,083
2020
$20,457 (+5.4%)
$1,419,989 + $228,133
$1,648,122
2019
$19,410 (+3.7%)
$1,405,429 + $225,794
$1,631,223
2018
$18,726 (+1.7%)
$1,377,872 + $221,367
$1,599,239
2017
$18,405 (+76.9%)
$1,324,368 + $212,772
$1,537,140
2016
$10,402 (+2.8%)
$1,324,368 + $212,772
$1,537,140
2015
$10,118 (+1.3%)
$725,750 + $88,794
$814,544
2014
$9,984 (+2.3%)
$700,847 + $82,748
$783,595
2013
$9,764 (+2.4%)
$700,847 + $82,748
$783,595
2012
$9,531 (+10.0%)
$697,680 + $72,420
$770,100
2011
$8,663 (−14.4%)
$528,909 + $226,091
$755,000
2010
$10,122 (−1.6%)
$472,866 + $202,134
$675,000
2009
$10,290
$578,647 + $247,353
$826,000
2008
$10,300
$595,461 + $254,539
$850,000
Tax history for 4 Rancho Diablo Rd
Year
Property tax
Land + Additions
Assessment*
2026
$22,537 (+3.4%)
$1,567,780 + $251,873
$1,819,653
2025
$21,790 (+1.6%)
$1,567,780 + $251,873
$1,819,653
2024
$21,444 (+1.8%)
$1,537,040 + $246,935
$1,783,975
2023
$21,066
$1,506,902 + $242,094
$1,748,996
2022
$21,064 (+3.0%)
$1,477,355 + $237,348
$1,714,703
2021
$20,445
$1,448,388 + $232,695
$1,681,083
2020
$20,457 (+5.4%)
$1,419,989 + $228,133
$1,648,122
2019
$19,410 (+3.7%)
$1,405,429 + $225,794
$1,631,223
2018
$18,726 (+1.7%)
$1,377,872 + $221,367
$1,599,239
2017
$18,405 (+76.9%)
$1,324,368 + $212,772
$1,537,140
2016
$10,402 (+2.8%)
$1,324,368 + $212,772
$1,537,140
2015
$10,118 (+1.3%)
$725,750 + $88,794
$814,544
2014
$9,984 (+2.3%)
$700,847 + $82,748
$783,595
2013
$9,764 (+2.4%)
$700,847 + $82,748
$783,595
2012
$9,531 (+10.0%)
$697,680 + $72,420
$770,100
2011
$8,663 (−14.4%)
$528,909 + $226,091
$755,000
2010
$10,122 (−1.6%)
$472,866 + $202,134
$675,000
2009
$10,290
$578,647 + $247,353
$826,000
2008
$10,300
$595,461 + $254,539
$850,000
*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
Permits
Beds
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
0.5 Acres
Year renovated
1982
Sq. Ft.
1,938
Year built
1951
Style
Single Family Residential
County
Contra Costa County
APN
2470320033
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 30, 2026.
May 11, 2021 • Final
Building/residential/r/adu-2nd unit
Legalize an accessory dwelling unit with a garage and storage space. Repair damage caused by a tree.
ADU
Apr 10, 2014 • Final
Building/residential/al/alteration
Install concrete fiber siding over existing plywood siding. Remove and replace window trim while keeping the existing windows. No other changes are included.
Remodel
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 Carport
Parking Features: Carport - 2 Or More, Covered, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub, Solid Surface, Tile, Updated Baths
Room Type: Au Pair, Dining Area, Family Room, GuestHouse, In-Law Quarters, Other, Game Room
Fireplace Features: Insert, Gas, Living Room
Basement: Crawl Space
Exterior
Building Information
Construction Materials: Stone
Building Area Total: 1,938
Foundation Details: Slab
Exterior Features
Patio And Porch Features: Patio
Exterior Features: Back Yard, Dog Run, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Sprinklers Front, Sprinklers Side, Storage, Terraced Up
Fencing: Fenced
Roof: Shingle
Property Information
Living Area: 1938
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1951
Lot Information
Other Structures: Shed(s)
Lot Size Square Feet: 21780
Lot Size Area: 0.5
Lot Size Units: Acres
Lot Size Acres: 0.5
Lot Features: Corner Lot, Level, Sloped Up, Sprinklers In Rear
Zoning: 1001
Utilities
Utility Information
Water Source: Public
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air
Location
School Information
High School District: Lafayette (925) 280-3900
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,938
Stories: 1.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1982
County: Contra Costa County
APN: 2470320033
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.7mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.6mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.2mi
10/10
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
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 92° 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
14 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Lafayette, CA • 94549
Average low and high temperatures (°F)
60
43
62
46
70
50
68
49
75
52
78
54
81
56
87
58
81
60
72
54
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.92M – $2.33M
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2016. This data may not match public records. Learn more.