1109 Decatur St is a 2,120 square foot house on a 5,123 square foot lot with 4 bedrooms and 2.5 bathrooms. - it last sold on May 31, 1978 for $130,500. Based on Redfin's Foster City data, we estimate the home's value is $2,276,685.
Single-familyProperty Type
1978Year Built
5,123 sq ftLot Size
$1,074Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,276,685
$2.1M since sold in May 1978$16K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.5% lower than the average sale price ($2.41M) 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
Jun 17, 2009 • Final
Mechanical
Replace the furnace and install a new air conditioning unit.
HVAC
Nov 8, 1997 • Final
Building residential
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: 480
Basement Type: Unfinished
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Slab
Building Style Type: Contemporary
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Stucco
Building Type: Detached
Property Information
Subdivision Name: FOSTER CITY NBRHD 06
Living Sq. Ft: 2,120
Gross Sq. Ft: 2,600
Ground Floor Sq. Ft: 1,610
Building Sq. Ft: 2,600
# of Stories: 2
Legal Description: LOT 86 FOSTER CITY NGBD NO 6 TR NO 51-76 RSM 93/44-50
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Basement Garage
Garage/Parking Sq. Ft: 480
Garage / Carport Type: Basement
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,123
Legal Lot Number: 86
Acres: 0.1176
Depth Footage: 100
Front Footage: 51
Zoning Code: R100PD
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,120
Stories: 2.0
Lot Size: 5,123 square feet
Style: Single Family Residential
Year Built: 1978
Year Renovated: —
County: San Mateo County
APN: 094832120
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Beach Park Elementary
Public K-5 • Assigned • 0.2mi
8/10
Bowditch Middle School
Public 6-8 • Assigned • 1.3mi
9/10
San Mateo High School
Public 9-12 • Assigned • 4.1mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Buyers have a few more options than they did a year ago, but Foster City's waterfront lifestyle continues to attract steady demand. Well-maintained homes near the lagoons are still the first to capture buyers' attention.