504 Lagos Ct is a 1,817 square foot house on a 0.3 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on July 10, 2015 for $920,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,564,980.
Single-familyProperty Type
1978Year Built
0.3 acresLot Size
$861Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,564,980
$645K since sold in July 2015$18K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.6% lower than the average sale price ($1.61M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40410290
May 26, 2009
Listing Removed
—
Public Records
Jun 6, 1986
Sold
$205,000
$113/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$13,200 (+3.2%)
$784,854 + $326,014
$1,110,868
2025
$12,787 (+2.1%)
$784,854 + $326,014
$1,110,868
2024
$12,523 (+1.6%)
$769,465 + $319,622
$1,089,087
2023
$12,321 (+0.8%)
$754,378 + $313,355
$1,067,733
2022
$12,228 (+2.2%)
$739,587 + $307,211
$1,046,798
2021
$11,964 (+1.0%)
$725,086 + $301,188
$1,026,274
2020
$11,845 (+1.1%)
$710,869 + $295,283
$1,006,152
2019
$11,712 (+3.9%)
$703,580 + $292,256
$995,836
2018
$11,276 (−9.4%)
$689,785 + $286,526
$976,311
2017
$12,445 (+1.0%)
$663,000 + $275,400
$938,400
2016
$12,324 (+45.4%)
$663,000 + $275,400
$938,400
2015
$8,474 (+4.1%)
$650,000 + $270,000
$920,000
2014
$8,143 (+15.9%)
$408,723 + $270,777
$679,500
2013
$7,025 (+9.1%)
$408,723 + $270,777
$679,500
2012
$6,438 (+0.2%)
$351,279 + $232,721
$584,000
2011
$6,424 (−5.6%)
$323,910 + $214,590
$538,500
2010
$6,807 (+60.4%)
$323,910 + $214,590
$538,500
2009
$4,245 (+4.0%)
$347,670 + $230,330
$578,000
2008
$4,082
$184,780 + $158,382
$343,162
Tax history for 504 Lagos Ct
Year
Property tax
Land + Additions
Assessment*
2026
$13,200 (+3.2%)
$784,854 + $326,014
$1,110,868
2025
$12,787 (+2.1%)
$784,854 + $326,014
$1,110,868
2024
$12,523 (+1.6%)
$769,465 + $319,622
$1,089,087
2023
$12,321 (+0.8%)
$754,378 + $313,355
$1,067,733
2022
$12,228 (+2.2%)
$739,587 + $307,211
$1,046,798
2021
$11,964 (+1.0%)
$725,086 + $301,188
$1,026,274
2020
$11,845 (+1.1%)
$710,869 + $295,283
$1,006,152
2019
$11,712 (+3.9%)
$703,580 + $292,256
$995,836
2018
$11,276 (−9.4%)
$689,785 + $286,526
$976,311
2017
$12,445 (+1.0%)
$663,000 + $275,400
$938,400
2016
$12,324 (+45.4%)
$663,000 + $275,400
$938,400
2015
$8,474 (+4.1%)
$650,000 + $270,000
$920,000
2014
$8,143 (+15.9%)
$408,723 + $270,777
$679,500
2013
$7,025 (+9.1%)
$408,723 + $270,777
$679,500
2012
$6,438 (+0.2%)
$351,279 + $232,721
$584,000
2011
$6,424 (−5.6%)
$323,910 + $214,590
$538,500
2010
$6,807 (+60.4%)
$323,910 + $214,590
$538,500
2009
$4,245 (+4.0%)
$347,670 + $230,330
$578,000
2008
$4,082
$184,780 + $158,382
$343,162
*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
RS-10
Single-Family Residential Zone
The RS zone is applied to areas of the City appropriate for single-family residential land uses in neighborhoods at a density of three to six units per net acre, subject to appropriate standards. The specific allowable density for each parcel is shown on the Zoning Map by a numerical suffix residential density designator (see Section D2-8). Minimum lot size for new parcels ranges from 3,500 to 12,000 sq ft. Depending upon the applicable residential density designator, the RS zone is consistent with and implements the Single Family Low Density, Single Family Low-Medium Density, and Single Family Medium Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Jun 20, 2026 • Final
Electrical service - electrical
Electrical
Oct 6, 2017 • Final
Furnace a/c - mechanical (residential)
HVAC
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
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Stucco
Property Information
Subdivision Name: SUBDIVISION 4952
Living Sq. Ft: 1,817
Ground Floor Sq. Ft: 1,817
Building Sq. Ft: 2,265
# of Stories: 1
Legal Description: T04952 L0006 B
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 448
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,200
Legal Lot Number: 6
Acres: 0.303
County Use Description: SINGLE FAMILY DETACHED WITH MA
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,817
Stories: 1.0
Lot Size: 0.3 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1985
County: Contra Costa County
APN: 2094110190
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Twin Creeks Elementary School
Public K-5 • Assigned • 0.3mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 1.2mi
10/10
California High School
Public 9-12 • Assigned • 2.3mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Ramon, Past 3 months,Median price $1.51M, down 4.5% YoY,Homes sold: 169 in July, up 1%,Days on market 20 days,Market Active but more balanced; slight seller advantage,Bottom line: Prices have softened, but homes are still selling relatively...