9 Pierson St is a 804 square foot house on a 7,750 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on September 23, 1987 for $92,500. Based on Redfin's Santa Rosa data, we estimate the home's value is $543,895.
Single-familyProperty Type
1922Year Built
7,750 sq ftLot Size
$676Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$543,895
$451K since sold in September 1987$8,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.3% higher than the average sale price ($512K) 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.
Zoning and permits
Zoning
Permits
R-1-6
Single-Family Residential District - 6,000 sq ft
The R-1 zoning district is applied to areas of the City intended to be maintained as residential neighborhoods comprised of detached and attached single-family houses, clustered Residential hillside projects, and small multi-family projects, together with compatible accessory uses. The maximum allowable density ranges from two to 13 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the R-1 map symbol see Section 20-22.040. The R-1 zoning district implements and is consistent with the Residential Very Low Density where residential clustered on hillsides is desirable, Low Density or Open Space, Low Density, and Medium Low Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Agriculture-Other
Day care facility
Healthcare-Other
Housing-Single unit
Housing-Student
Housing-Other
Infrastructure-Other
Housing-Mobile home park
Jun 11, 2016 • Final
Building history record
Work on the electrical service.
Electrical
Jun 11, 2016 • Final
Building history record
Work on a reroof.
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
Basement Information
Basement Sq. Ft: 804
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 3
Exterior
Exterior Information
Physical Condition: Fair
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair
Exterior Wall: Wood Siding
Property Information
Subdivision Name: PEARSONS ADD
Living Sq. Ft: 804
Ground Floor Sq. Ft: 804
Building Sq. Ft: 804
# of Stories: 1
Legal Description: MAP 15 PG 1 LOT 30
Parking & Garage Information
# of Parking Spaces: 1
Garage/Parking Sq. Ft: 176
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,750
Legal Lot Number: 30
Acres: 0.1779
Zoning Code: R15UA
County Use Description: SINGLE FAM DWELLING
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 804
Stories: 1.0
Lot Size: 7,750 square feet
Style: Single Family Residential
Year Built: 1922
Year Renovated: 1961
County: Sonoma County
APN: 125051017000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Roseland Elementary School
Public K-6 • Assigned • 0.6mi
4/10
Santa Rosa Middle School
Public 7-8 • Assigned • 1.0mi
2/10
Elsie Allen High School
Public 9-12 • Assigned • 2.2mi
2/10
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 92° 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
15 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95401
Average low and high temperatures (°F)
63
39
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42
71
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76
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77
53
85
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83
54
79
49
65
44
59
42
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$517,000 – $626,000
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