4011 Lancaster Ave is a 750 square foot house on a 0.41 acre lot with 2 bedrooms and 1 bathroom. - it last sold on October 22, 2004 for $457,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $440,450.
Single-familyProperty Type
1945Year Built
0.41 acresLot Size
$587Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$440,450
$17K since sold in October 2004$35K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 29.4% lower than the average sale price ($623K) 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-1-15
Single-Family Residential District - 15,000 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 2 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 28, 2015 • Final
Residential addition-alteration
Remove and replace all siding, the main electrical service, and electrical wiring in a single-family home and well house. Demolish and replace a laundry room, remove and replace light fixtures with energy-efficient lighting, and perform structural work including wall removal and replacement, floor joist replacement, and subfloor replacement. Install a new gas furnace, tankless water heater with enclosure, sump pumps, insulation, and various interior and exterior fixtures.
Electrical
HVAC
Plumbing
Remodel
Jun 28, 2015 • Final
Residential addition-alteration
Demolish a detached accessory building in the rear yard.
Demolition
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: 1
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: LEDDY PARK
Living Sq. Ft: 750
Ground Floor Sq. Ft: 750
Building Sq. Ft: 946
# of Stories: 1
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 384
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 17,780
Legal Lot Number: 30
Acres: 0.4082
Zoning Code: R15UA
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 750
Stories: 1.0
Lot Size: 0.41 acres
Style: Single Family Residential
Year Built: 1945
Year Renovated: 1960
County: Sonoma County
APN: 035093024000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Wright Elementary School
Charter K-8 • Assigned • 0.4mi
3/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 2.7mi
1/10
Elsie Allen High School
Public 9-12 • Assigned • 2.1mi
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
3/10 Fire Factor
0.15% 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
9/10 Air Factor
19 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95407
Average low and high temperatures (°F)
62
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76
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83
54
81
54
78
50
65
45
58
43
Jan
Feb
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Jun
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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
$419,000 – $507,000
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