503 Ronsheimer Rd is a 1,549 square foot house on a 0.91 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on September 22, 2021 for $750,000. Based on Redfin's Penngrove data, we estimate the home's value is $1,041,243.
Single-familyProperty Type
1962Year Built
0.91 acresLot Size
$672Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,041,243
$291K since sold in September 2021$26K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 29.2% higher than the average sale price ($806K) 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
Jun 1, 2026 • Active
Solar-solarapp
Battery
Electrical
Electric meter
Solar
Feb 3, 2026 • Active
Building permit no plan check
Remove the existing roof on a single-family home and install new composition shingles.
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
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Exterior Wall: Stucco
Property Information
Living Sq. Ft: 1,549
Ground Floor Sq. Ft: 1,549
Building Sq. Ft: 1,549
# of Stories: 1
Legal Description: 1972-FORM PT OF 47-082-07
Parking & Garage Information
# of Parking Spaces: 1
Garage/Parking Sq. Ft: 383
Lot Information
# of Buildings: 1
Land Sq. Ft: 39,833
Legal Lot Number: 3
Acres: 0.9144
Zoning Code: RR2UA
County Use Description: RURAL RESID-1 RESID
Utility Information
Sewer Type: Septic
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,549
Stories: 1.0
Lot Size: 0.91 acres
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1967
County: Sonoma County
APN: 047082037000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
Penngrove Elementary School
Charter K-6 • Assigned • 0.4mi
7/10
Petaluma Junior High School
Public 7-8 • Assigned • 4.6mi
4/10
Petaluma High School
Public 9-12 • Assigned • 5.0mi
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
0.62% chance of being in a wildfire in next 30 years
4/10 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
8/10 Air Factor
14 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Penngrove, CA • 94951
Average low and high temperatures (°F)
60
39
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43
68
44
66
45
72
49
74
50
77
53
82
54
79
56
72
50
64
44
57
43
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
$990,000 – $1.20M
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