309 Sejong Ln is a 1,434 square foot property on a 2,757 square foot lot with 3 bedrooms and 2.5 bathrooms. - it last sold on August 31, 2021 for $600,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $732,008.
2017Year Built
2,757 sq ftLot Size
$510Est. Price/Sq.Ft.
1 garage spacesParking
Source:Public Records
Redfin Estimate
$732,008
$132K since sold in August 2021
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6% higher than the average sale price ($691K) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 10, 2019 • Final
Building permit with plan check
Construct a new single-family home with an attached garage.
New construction
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
# of 1/2 Baths: 1
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Construction Quality: Good
Property Information
Subdivision Name: 1061-MARK WEST SUB
Living Sq. Ft: 1,434
Building Sq. Ft: 1,684
Legal Description: 2017 MARK WEST VILLAGE LOT 6
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 250
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 2,757
Legal Lot Number: 6
Acres: 0.0633
County Use Description: DUET
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,434
Stories: —
Lot Size: 2,757 square feet
Style: Other
Year Built: 2017
Year Renovated: 2018
County: Sonoma County
APN: 058171057000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Mark West Elementary School
Public K-6 • Assigned • 0.6mi
5/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 2.8mi
1/10
Piner High School
Public 9-12 • Assigned • 2.6mi
4/10
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
9/10 Air Factor
18 unhealthy days expected this year, 20 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95403
Average low and high temperatures (°F)
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64
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42
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Sun exposure
86/ 100
Very good sunlight
Sunscore
This home receives average direct sun exposure in Santa Rosa. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9 hrs
5.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$696,000 – $842,000
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