51 Robert Rd is a 6,078 square foot house on a 2.28 acre lot with 5 bedrooms and 6 bathrooms. - it last sold on June 13, 1985 for $335,000. Based on Redfin's Orinda data, we estimate the home's value is $2,871,363.
Single-familyProperty Type
1984Year Built
2.28 acresLot Size
$472Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,871,363
$2.5M since sold in June 1985$175K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.8% lower than the average sale price ($3.22M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 1, 2025 • Final
Building/residential/al/alteration
Remove existing siding and install new oriented strand board sheathing over the remaining siding. Install a weather resistant barrier followed by pre-painted fiber cement siding and trim on the entire home.
Remodel
Jun 26, 2024 • Final
Building - residential plumbing
Replace three old natural gas water heaters with new natural gas water heaters in a two-story house.
Plumbing
Water heater
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: 14
Exterior
Property Information
Living Sq. Ft: 6,078
Ground Floor Sq. Ft: 4,518
Building Sq. Ft: 6,078
# of Stories: 1
Legal Description: 88 PM 19 POR PCL C
Parking & Garage Information
Garage/Parking Sq. Ft: 927
Lot Information
# of Buildings: 1
Land Sq. Ft: 99,317
Acres: 2.28
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 6.0
Sq. Ft.: 6,078
Stories: 1.0
Lot Size: 2.28 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1990
County: Contra Costa County
APN: 2520400488
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Glorietta Elementary School
Public K-5 • Assigned • 0.9mi
10/10
Orinda Intermediate School
Public 6-8 • Assigned • 2.3mi
10/10
Acalanes High School
Public 9-12 • Assigned • 3.5mi
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
0.93% chance of being in a wildfire in next 30 years
2/10 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
14 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Orinda, CA • 94563
Average low and high temperatures (°F)
59
42
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44
69
47
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47
72
51
75
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75
55
82
58
81
58
75
55
62
48
56
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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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
$2.73M – $3.30M
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