449 Semillon Ln is a 1,812 square foot condo with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $715,735.
CondoProperty Type
2022Year Built
$395Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$715,735
$16K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.6% higher than the average sale price ($678K) 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
$8,683 (+1,138.3%)
$234,090 + $533,138
$767,228
2024
$701 (+1.4%)
$229,500 + $530,794
$760,294
2023
$691 (+6.5%)
$58,373
2022
$649
$57,229
Tax history for 449 Semillon Ln
Year
Property tax
Land + Additions
Assessment*
2025
$8,683 (+1,138.3%)
$234,090 + $533,138
$767,228
2024
$701 (+1.4%)
$229,500 + $530,794
$760,294
2023
$691 (+6.5%)
$58,373
2022
$649
$57,229
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
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
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: Square Design
Building Construction Quality: Good
Property Information
Subdivision Name: ROUND BARN VILLAGE CONDOS
Living Sq. Ft: 1,812
Building Sq. Ft: 2,256
# of Stories: 3
Legal Description: 2022 ROUND BARN VILLAGE CONDO BLDG 18 UNIT 105
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 444
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 1,812
Legal Lot Number: 1
Acres: 0.0416
County Use Description: CONDOMINIUM UNIT
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,812
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 2022
Year Renovated: 2023
County: Sonoma County
APN: 173850049000
Home facts updated by county records on Aug 27, 2026
Around this home
Schools
Hidden Valley Elementary Satellite School
Public K-6 • Assigned • 1.3mi
8/10
Santa Rosa Middle School
Public 7-8 • Assigned • 2.5mi
2/10
Santa Rosa High School
Public 9-12 • Assigned • 1.8mi
6/10
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, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
21 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95403
Average low and high temperatures (°F)
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78
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86
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82
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78
50
64
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42
Jan
Feb
Mar
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May
Jun
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Aug
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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
$680,000 – $824,000
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