Google street view image for 509 Catanio Ct, San Ramon, CA 94583

Off market apr 2020 for $988K

$1,406,450

Est. refi paymentEst. refi $6,258/mo

•

2 ba

•

1,672

sq ft

509 Catanio Ct, San Ramon, CA 94583

About this home

509 Catanio Ct is a 1,672 square foot house on a 10,350 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on April 17, 2020 for $988,500. Based on Redfin's San Ramon data, we estimate the home's value is $1,406,450.

Single-familyProperty Type

1973Year Built

10,350 sq ftLot Size

$841Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$1,406,450

$418K since sold in April 2020$49K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.1% lower than the average sale price ($1.64M) of 6 comparable homes.

SOLD SEP 30, 2026
$1,536,000
A
4 beds2 baths1,894 sq ft
2706 Canyon Creek Dr, San Ramon, CA 94583
SOLD JUL 31, 2026
$1,380,000
B
3 beds2 baths1,552 sq ft
2639 Celaya Cir, San Ramon, CA 94583
SOLD OCT 14, 2026
$1,678,000
C
4 beds2 baths2,031 sq ft
173 Joaquin Cir, Danville, CA 94526
SOLD JUN 16, 2026
$1,727,500
D
3 beds2 baths1,938 sq ft
1544 Saint Helena Dr, Danville, CA 94526
SOLD SEP 25, 2026
$1,888,000
E
4 beds2 baths2,032 sq ft
64 Calistoga Ct, Danville, CA 94526
SOLD OCT 2, 2026
$1,620,000
F
4 beds2 baths2,071 sq ft
2534 Marsh Dr, San Ramon, CA 94583

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Earn from this home

Sell

$643,611

Est. take-home

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Est. cash available

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Rent

$4,042/mo

Redfin rental estimate

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Market trends in 94583, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.7%

0.3% MoM

Median sale price

$1.4M

$36K MoM

Avg. days on market

31d

2 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN TODAY, 11AM TO 1PM
$1,799,000
4 beds2.5 baths2,760 sq ft
2445 Camino De Jugar, San Ramon, CA 94583
OPEN SUN, 2PM TO 4PM
$388,000
1 bed1 bath624 sq ft
235 Reflections Dr #11, San Ramon, CA 94583
$375,000
1 bed1 bath612 sq ft
9072 Craydon Cir, San Ramon, CA 94583
OPEN SAT, 1PM TO 4PM
$1,890,000
4 beds2.5 baths2,337 sq ft
711 Pradera Way, San Ramon, CA 94583
SHORT SALE
$379,000
1 bed1 bath624 sq ft
225 Reflections Dr #24, San Ramon, CA 94583
PMZ Real Estate
$1,299,900
4 beds2 baths1,883 sq ft
804 Bolivar Pl, San Ramon, CA 94583
OPEN SAT, 2PM TO 4PM
$1,599,000
4 beds3.5 baths2,121 sq ft
1002 Sinopia Ter, San Ramon, CA 94583
HOT HOME
$999,999
4 beds2 baths1,812 sq ft
217 Kent Pl, San Ramon, CA 94583
OPEN SAT, 2PM TO 4PM
$1,328,888
4 beds2 baths1,812 sq ft
7527 Blue Fox Way, San Ramon, CA 94583
COMING SOON
$1,250,000
4 beds2.5 baths1,936 sq ft
211 Forest Creek Ln, San Ramon, CA 94583
See all

Provided by Redfin

Sale history for 509 Catanio Ct

Year

Property tax

Land + Additions

Assessment*

2026

$13,181 (+106.4%)

$780,861 + $321,266

$1,102,127

2025

$6,385 (+2.1%)

$780,861 + $321,266

$1,102,127

2024

$6,254 (−49.2%)

$765,550 + $314,967

$1,080,517

2023

$12,308 (+0.7%)

$750,540 + $308,792

$1,059,332

2022

$12,216 (+2.2%)

$735,824 + $302,738

$1,038,562

2021

$11,954 (+220.2%)

$721,397 + $296,802

$1,018,199

2020

$3,733 (+0.9%)

$707,252 + $290,983

$998,235

2019

$3,698 (+3.8%)

$123,123 + $132,593

$255,716

2018

$3,562 (+3.9%)

$120,709 + $129,994

$250,703

2017

$3,427 (+1.9%)

$116,023 + $124,948

$240,971

2016

$3,362 (+1.8%)

$116,023 + $124,948

$240,971

2015

$3,302 (+1.9%)

$113,749 + $122,499

$236,248

2014

$3,241 (+1.8%)

$109,847 + $118,296

$228,143

2013

$3,182 (+3.4%)

$109,847 + $118,296

$228,143

2012

$3,076 (+2.4%)

$109,351 + $117,762

$227,113

2011

$3,003 (+1.8%)

$107,207 + $115,453

$222,660

2010

$2,949

$105,105 + $113,190

$218,295

2009

$2,950 (+4.4%)

$104,320 + $112,345

$216,665

2008

$2,827

$104,568 + $112,612

$217,180

Tax history for 509 Catanio Ct

Year

Property tax

Land + Additions

Assessment*

2026

$13,181 (+106.4%)

$780,861 + $321,266

$1,102,127

2025

$6,385 (+2.1%)

$780,861 + $321,266

$1,102,127

2024

$6,254 (−49.2%)

$765,550 + $314,967

$1,080,517

2023

$12,308 (+0.7%)

$750,540 + $308,792

$1,059,332

2022

$12,216 (+2.2%)

$735,824 + $302,738

$1,038,562

2021

$11,954 (+220.2%)

$721,397 + $296,802

$1,018,199

2020

$3,733 (+0.9%)

$707,252 + $290,983

$998,235

2019

$3,698 (+3.8%)

$123,123 + $132,593

$255,716

2018

$3,562 (+3.9%)

$120,709 + $129,994

$250,703

2017

$3,427 (+1.9%)

$116,023 + $124,948

$240,971

2016

$3,362 (+1.8%)

$116,023 + $124,948

$240,971

2015

$3,302 (+1.9%)

$113,749 + $122,499

$236,248

2014

$3,241 (+1.8%)

$109,847 + $118,296

$228,143

2013

$3,182 (+3.4%)

$109,847 + $118,296

$228,143

2012

$3,076 (+2.4%)

$109,351 + $117,762

$227,113

2011

$3,003 (+1.8%)

$107,207 + $115,453

$222,660

2010

$2,949

$105,105 + $113,190

$218,295

2009

$2,950 (+4.4%)

$104,320 + $112,345

$216,665

2008

$2,827

$104,568 + $112,612

$217,180

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

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

Property details

Interior

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 9

Exterior

Exterior Information
Physical Condition: Excellent
Building Construction Quality: Good

Property Information
Subdivision Name: TWIN CRKS
Living Sq. Ft: 1,672
Ground Floor Sq. Ft: 1,672
Building Sq. Ft: 1,672
# of Stories: 1
Legal Description: TRACT 4235 LOT 30

Parking & Garage Information
Garage/Parking Sq. Ft: 462

Lot Information
# of Buildings: 1
Land Sq. Ft: 10,350
Legal Lot Number: 30
Acres: 0.2376
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,672
Stories: 1.0
Lot Size: 10,350 square feet
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1990
County: Contra Costa County
APN: 2092500012

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 • 0.2mi

10/10

Iron Horse Middle School

Public 6-8 • Assigned • 1.6mi

10/10

California High School

Public 9-12 • Assigned • 2.8mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The San Ramon housing market remains competitive with median sale prices hovering around $1.45 million, though distinct neighborhood trends are emerging as older, centrally located areas appreciate while newer developments like Dougherty Valley...
1 day ago • San Ramon
Karan Kandel
Redfin agent
12 deals
Was this helpful?
San Ramon remains competitive, with homes averaging 1 offer and selling in 29 days. Median price is $1.4M (+2.8%), while price per sq. ft. is $677 (-1.2%). Buyers have negotiation opportunities; sellers should price strategically.
5 days ago • San Ramon
Annu Lakhat
Redfin Premier agent
63 deals
Was this helpful?

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

5/10 Fire Factor

4% chance of being in a wildfire in next 30 years

3/10 Heat Factor

8 days above 94° expected this year, 16 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

14 unhealthy days expected this year, 15 days in 30 years

Provided by First Street

Historical weather

San Ramon, CA • 94583

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.6 hours in June and 4.8 hours in December, placing it above the U.S. average for solar exposure.

11.6 hrs

4.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.34M – $1.62M

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Listing provided by Zillow

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OPEN SAT, 2PM TO 4PM

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Home values near 509 Catanio Ct

Data from public records.

Address	Redfin Estimate
520 Catanio Ct, San Ramon, CA 3 Beds \| 2 Baths \| 1672 Sq. Ft.	$1,271,831
530 Catanio Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2104 Sq. Ft.	$1,393,754
531 Catanio Ct, San Ramon, CA 4 Beds \| 2 Baths \| 1834 Sq. Ft.	$1,460,164
400 Fernando Ct, San Ramon, CA 4 Beds \| 2 Baths \| 2125 Sq. Ft.	$1,804,529
2516 Dos Rios Dr, San Ramon, CA 4 Beds \| 2 Baths \| 2008 Sq. Ft.	$1,503,509
2500 Kilpatrick Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2113 Sq. Ft.	$1,605,343
611 Abrigo Ct, San Ramon, CA 3 Beds \| 2 Baths \| 1281 Sq. Ft.	$1,012,145

Address	Redfin Estimate
540 Catanio Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2075 Sq. Ft.	$1,861,184
545 Catanio Ct, San Ramon, CA 4 Beds \| 2 Baths \| 1834 Sq. Ft.	$1,438,562
500 Catanio Ct, San Ramon, CA 6 Beds \| 3 Baths \| 2579 Sq. Ft.	$1,591,474
2512 Dos Rios Dr, San Ramon, CA 3 Beds \| 2 Baths \| 1816 Sq. Ft.	$1,504,175
631 Abrigo Ct, San Ramon, CA 3 Beds \| 3 Baths \| 1461 Sq. Ft.	$1,020,133
647 Abrigo Ct, San Ramon, CA 3 Beds \| 3 Baths \| 1461 Sq. Ft.	$900,135
627 Abrigo Ct, San Ramon, CA 3 Beds \| 2 Baths \| 1281 Sq. Ft.	$947,947

Address	Redfin Estimate
521 Catanio Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2075 Sq. Ft.	$1,429,953
510 Catanio Ct, San Ramon, CA 4 Beds \| 2 Baths \| 1833 Sq. Ft.	$1,305,733
2520 Dos Rios Dr, San Ramon, CA 3 Beds \| 2 Baths \| 1812 Sq. Ft.	$1,504,368
405 Fernando Ct, San Ramon, CA 4 Beds \| 2 Baths \| 1835 Sq. Ft.	$1,571,858
2495 Dos Rios Dr, San Ramon, CA 3 Beds \| 2 Baths \| 1853 Sq. Ft.	—
639 Abrigo Ct, San Ramon, CA 4 Beds \| 2.5 Baths \| 1731 Sq. Ft.	$1,112,981
643 Abrigo Ct, San Ramon, CA 3 Beds \| 3 Baths \| 1731 Sq. Ft.	$1,154,030

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About this home

Redfin Estimate

Earn from this home

Market trends in 94583, CA

Sale history for 509 Catanio Ct

Tax history for 509 Catanio Ct

Zoning

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94583

Home values near 509 Catanio Ct

More real estate resources