9 Spring Ln is a 3,210 square foot house on a 0.54 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on December 09, 1977 for $125,000. Based on Redfin's Belmont data, we estimate the home's value is $3,542,050.
Single-familyProperty Type
1959Year Built
0.54 acresLot Size
$1,103Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,542,050
$3.4M since sold in December 1977$60K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2% higher than the average sale price ($3.47M) 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
Aug 24, 2009 • Final
Res
Install new posts in a wood retaining wall.
Remodel
Aug 3, 2007 • Final
Addition
Construct a room addition and perform repairs on a deck. Repair the exterior finish of the building.
Addition
Remodel
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: 4
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Stucco
Building Type: Detached
View Information
View: Good
Property Information
Subdivision Name: MONTEBELLO SUB
Living Sq. Ft: 3,210
Ground Floor Sq. Ft: 3,210
Building Sq. Ft: 3,800
# of Stories: 1
Legal Description: LOT 10 & NELY 0.98 FT X 28.26 FT F&R MEAS OF LOT 11 BLOCK 1 MONTEBELLO SUB RSM 47/22 23
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 590
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 23,447
Legal Lot Number: 10
Legal Block Number: 1
Acres: 0.5383
Zoning Code: R10010
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Cul-De-Sac
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,210
Stories: 1.0
Lot Size: 0.54 acres
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1984
County: San Mateo County
APN: 045202430
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Central Elementary School
Public K-5 • Assigned • 0.8mi
9/10
Ralston Intermediate School
Public 6-8 • Assigned • 1.9mi
10/10
Carlmont High School
Public 9-12 • Assigned • 0.9mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Belmont buyers are still moving quickly when the right home hits the market. Homes averaged just 12 days on market and sold for 106% of asking price in June. If you're thinking about selling, presentation and pricing still make a big difference.