401 Middle Two Rock Rd is a 1,964 square foot house on a 1.15 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Petaluma data, we estimate the home's value is $1,150,459.
Single-familyProperty Type
1946Year Built
1.15 acresLot Size
$586Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,150,459
$27K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.5% lower than the average sale price ($1.23M) of 5 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
$3,405 (+2.8%)
$105,032 + $187,889
$292,921
2024
$3,313 (+2.8%)
$102,973 + $184,205
$287,178
2023
$3,223 (+7.3%)
$100,954 + $180,594
$281,548
2022
$3,003 (+2.3%)
$98,975 + $177,053
$276,028
2021
$2,936 (−0.7%)
$97,035 + $173,582
$270,617
2020
$2,958 (+1.6%)
$95,133 + $170,179
$265,312
2019
$2,910 (+0.6%)
$94,158 + $168,435
$262,593
2018
$2,893 (+1.7%)
$92,312 + $165,133
$257,445
2017
$2,845 (+2.6%)
$88,728 + $158,722
$247,450
2015
$2,773 (+1.2%)
$86,989 + $155,610
$242,599
2014
$2,740 (+2.6%)
$84,005 + $150,271
$234,276
2013
$2,672 (+4.4%)
$84,005 + $150,271
$234,276
2012
$2,559 (+1.9%)
$83,626 + $149,592
$233,218
2011
$2,511 (+1.9%)
$81,987 + $146,659
$228,646
2010
$2,465 (−0.6%)
$80,380 + $143,784
$224,164
2009
$2,479 (+1.9%)
$79,780 + $142,710
$222,490
2007
$2,433
$78,402 + $140,246
$218,648
Tax history for 401 Middle Two Rock Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,405 (+2.8%)
$105,032 + $187,889
$292,921
2024
$3,313 (+2.8%)
$102,973 + $184,205
$287,178
2023
$3,223 (+7.3%)
$100,954 + $180,594
$281,548
2022
$3,003 (+2.3%)
$98,975 + $177,053
$276,028
2021
$2,936 (−0.7%)
$97,035 + $173,582
$270,617
2020
$2,958 (+1.6%)
$95,133 + $170,179
$265,312
2019
$2,910 (+0.6%)
$94,158 + $168,435
$262,593
2018
$2,893 (+1.7%)
$92,312 + $165,133
$257,445
2017
$2,845 (+2.6%)
$88,728 + $158,722
$247,450
2015
$2,773 (+1.2%)
$86,989 + $155,610
$242,599
2014
$2,740 (+2.6%)
$84,005 + $150,271
$234,276
2013
$2,672 (+4.4%)
$84,005 + $150,271
$234,276
2012
$2,559 (+1.9%)
$83,626 + $149,592
$233,218
2011
$2,511 (+1.9%)
$81,987 + $146,659
$228,646
2010
$2,465 (−0.6%)
$80,380 + $143,784
$224,164
2009
$2,479 (+1.9%)
$79,780 + $142,710
$222,490
2007
$2,433
$78,402 + $140,246
$218,648
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 16, 2026 • Active
Building permit no plan check
HVAC
Plumbing
Jun 11, 2016 • Final
Building permit no plan check
Roofing
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
Bathroom Information
# of Full Baths: 2
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,964
Building Sq. Ft: 1,964
# of Stories: 1
Legal Description: 83 FM 21-040-10 # CHG PER MD
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 660
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 50,094
Acres: 1.15
Zoning Code: AR2
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,964
Stories: 1.0
Lot Size: 1.15 acres
Style: Single Family Residential
Year Built: 1946
Year Renovated: 1959
County: Sonoma County
APN: 021041047000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Wilson Elementary School
Public K-6 • Assigned • 0.3mi
5/10
Petaluma Junior High School
Public 7-8 • Assigned • 1.5mi
4/10
Petaluma High School
Public 9-12 • Assigned • 2.2mi
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
0.46% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 90° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Petaluma, CA • 94952
Average low and high temperatures (°F)
59
40
59
42
64
43
61
44
65
47
67
49
67
51
73
51
73
52
72
48
61
44
56
42
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
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
$1.09M – $1.32M
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