4000 Roblar Rd is a 855 square foot house on a 12.2 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's Petaluma data, we estimate the home's value is $889,948.
Single-familyProperty Type
1921Year Built
12.2 acresLot Size
$1,041Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$889,948
$9,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.3% higher than the average sale price ($845K) 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*
2025
$1,503 (+3.7%)
$97,115 + $16,872
$113,987
2024
$1,449 (+1.2%)
$95,211 + $16,542
$111,753
2023
$1,432 (−2.6%)
$93,345 + $16,218
$109,563
2022
$1,471 (+7.4%)
$91,515 + $15,900
$107,415
2021
$1,370 (−0.6%)
$89,721 + $15,589
$105,310
2020
$1,378 (+18.8%)
$87,962 + $15,284
$103,246
2019
$1,160 (+0.7%)
$87,061 + $15,128
$102,189
2018
$1,151 (+1.6%)
$85,354 + $14,832
$100,186
2017
$1,133 (+6.6%)
$82,041 + $14,257
$96,298
2015
$1,063 (+1.2%)
$80,433 + $13,978
$94,411
2014
$1,050 (+2.8%)
$77,674 + $13,500
$91,174
2013
$1,022 (+1.9%)
$77,674 + $13,500
$91,174
2012
$1,002 (+1.9%)
$77,323 + $13,439
$90,762
2011
$983 (+1.0%)
$75,807 + $13,176
$88,983
2010
$974 (−3.3%)
$74,321 + $12,918
$87,239
2009
$1,007 (+4.5%)
$73,766 + $12,822
$86,588
2007
$964
$72,493 + $12,601
$85,094
Tax history for 4000 Roblar Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,503 (+3.7%)
$97,115 + $16,872
$113,987
2024
$1,449 (+1.2%)
$95,211 + $16,542
$111,753
2023
$1,432 (−2.6%)
$93,345 + $16,218
$109,563
2022
$1,471 (+7.4%)
$91,515 + $15,900
$107,415
2021
$1,370 (−0.6%)
$89,721 + $15,589
$105,310
2020
$1,378 (+18.8%)
$87,962 + $15,284
$103,246
2019
$1,160 (+0.7%)
$87,061 + $15,128
$102,189
2018
$1,151 (+1.6%)
$85,354 + $14,832
$100,186
2017
$1,133 (+6.6%)
$82,041 + $14,257
$96,298
2015
$1,063 (+1.2%)
$80,433 + $13,978
$94,411
2014
$1,050 (+2.8%)
$77,674 + $13,500
$91,174
2013
$1,022 (+1.9%)
$77,674 + $13,500
$91,174
2012
$1,002 (+1.9%)
$77,323 + $13,439
$90,762
2011
$983 (+1.0%)
$75,807 + $13,176
$88,983
2010
$974 (−3.3%)
$74,321 + $12,918
$87,239
2009
$1,007 (+4.5%)
$73,766 + $12,822
$86,588
2007
$964
$72,493 + $12,601
$85,094
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
DA B6 10
Diverse Agriculture B6 Combining District 10 Acres
DA: Enhances and protects land where soil, climate, and water conditions support farming but where small acreage intensive farming and part-time farming activities are predominant, and where farming may not be the principal occupation of the farmer; Implement the diverse agriculture land use category of the general plan and the policies of the Agricultural Resource Element.; B6: To specify residential density and/or minimum parcel or lot size for a particular parcel, lot or area.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Greenhouse / nursery
Day care facility
Housing-Group
Housing-Single unit
Theater / performing arts facility
Agriculture-Cropland
Park & open space
Timberland
Property details
Interior
Bathroom Information
# of Full Baths: 1
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Living Sq. Ft: 855
Ground Floor Sq. Ft: 855
Building Sq. Ft: 1,621
# of Stories: 1
Legal Description: 78 FORM 24-030-81 AP # CHANGE MD
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 480
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 531,432
Acres: 12.2
Zoning Code: DA10
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 855
Stories: 1.0
Lot Size: 12.2 acres
Style: Single Family Residential
Year Built: 1921
Year Renovated: 1921
County: Sonoma County
APN: 024031057000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Dunham Charter School
Charter K-6 • Assigned • 0.2mi
10/10
Petaluma Junior High School
Public 7-8 • Assigned • 8.2mi
4/10
Petaluma High School
Public 9-12 • Assigned • 8.8mi
8/10
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
3/10 Fire Factor
0.77% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 91° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
18 unhealthy days expected this year, 18 days in 30 years
Provided by First Street
Historical weather
Petaluma, CA • 94952
Average low and high temperatures (°F)
59
40
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44
65
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67
51
73
51
73
52
72
48
61
44
56
42
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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Dec
Sun exposure
In this area, properties receive around 10.9 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
10.9 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$846,000 – $1.02M
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