OFF MARKET

Off market dec 2009 for $692K

$1,549,173

Est. refi paymentEst. refi $3,793/mo

•

1,969

sq ft

621 San Tomas Pl, San Ramon, CA 94583

About this home

Single-familyProperty Type

1984Year Built

7,500 sq ftLot Size

$787Est. Price/Sq.Ft.

2 car garageParking

Listed by Donna Archuleta •DRE #01498304 • Keller Williams Realty

Bought with Judith Myers •DRE #00464023 • RE/MAX Accord

Redfin checked: a few seconds ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40433903

Redfin Estimate

$1,549,173

$857K since sold in December 2009$54K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.5% higher than the average sale price ($1.43M) of 6 comparable homes.

SOLD SEP 17, 2026
$1,175,000
A
4 beds2 baths1,795 sq ft
274 Ludlow Pl, San Ramon, CA 94583
BOUGHT WITH REDFIN SEP 4, 2026
$1,363,000
B
4 beds2 baths1,734 sq ft
9871 Broadmoor Dr, San Ramon, CA 94583
SOLD SEP 3, 2026
$1,570,000
C
4 beds2 baths1,795 sq ft
242 Hardwick Pl, San Ramon, CA 94583
SOLD JAN 27, 2026
$1,360,000
D
4 beds2.5 baths1,885 sq ft
9985 Windsor Way, San Ramon, CA 94583
SOLD MAR 30, 2026
$1,625,000
E
4 beds2.5 baths1,885 sq ft
311 Foxboro Ct, San Ramon, CA 94583
SOLD DEC 16, 2025
$1,475,000
F
4 beds2 baths1,847 sq ft
2828 Aptos Way, San Ramon, CA 94583

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Earn from this home

Sell

$1,144,841

Est. take-home

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Refinance

Est. cash available

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Rent

$4,666/mo

Redfin rental estimate

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Market trends in 94583, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.3%

0.3% MoM

Median sale price

$1.4M

$49K MoM

Avg. days on market

22d

0 days MoM

Recently sold homes

7 MoM

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OPEN TODAY, 1PM TO 4PM
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4 beds4 baths4,072 sq ft
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OPEN TODAY, 1:30PM TO 4:30PM
$1,888,000
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See all

Provided by Redfin

Sale history for 621 San Tomas Pl

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40433903

Dec 2, 2009

Sold

$692,000

$351/sq ft

Oct 27, 2009

Pending

—

Oct 19, 2009

Listing Removed

—

Oct 13, 2009

Listed

$675,000

$343/sq ft

Public Records

May 30, 1997

Sold

$315,000

$160/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #10233496

May 30, 1997

Listing Removed

—

Apr 11, 1997

Sold

$314,950

$160/sq ft

Mar 20, 1997

Listed

$314,950

$160/sq ft

Public Records

Oct 1, 1987

Sold

$215,500

$109/sq ft

Public Records

Dec 7, 1984

Sold

$184,000

$93/sq ft

Public Records

Dec 1, 1978

Sold

$686,500

$349/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$10,951 (+2.1%)

$548,523 + $382,148

$930,671

2024

$10,724 (+1.7%)

$537,768 + $374,655

$912,423

2023

$10,550 (+0.8%)

$527,224 + $367,309

$894,533

2022

$10,471 (+2.2%)

$516,887 + $360,107

$876,994

2021

$10,245 (+1.1%)

$506,752 + $353,047

$859,799

2020

$10,135 (+7.1%)

$496,816 + $346,125

$842,941

2019

$9,467 (+3.9%)

$491,722 + $342,576

$834,298

2018

$9,115 (+3.8%)

$482,081 + $285,859

$767,940

2017

$8,782 (+1.3%)

$463,362 + $274,759

$738,121

2016

$8,667 (+1.3%)

$463,362 + $274,759

$738,121

2015

$8,553 (+1.4%)

$454,277 + $269,372

$723,649

2014

$8,433 (+7.0%)

$438,689 + $260,129

$698,818

2013

$7,881 (+9.2%)

$438,689 + $260,129

$698,818

2012

$7,217 (−4.8%)

$425,000 + $230,000

$655,000

2011

$7,581 (−6.0%)

$389,878 + $220,122

$610,000

2010

$8,064 (+66.5%)

$411,928 + $232,572

$644,500

2009

$4,844 (+3.9%)

$444,000 + $248,000

$692,000

2008

$4,664

$177,061 + $221,201

$398,262

Tax history for 621 San Tomas Pl

Year

Property tax

Land + Additions

Assessment*

2025

$10,951 (+2.1%)

$548,523 + $382,148

$930,671

2024

$10,724 (+1.7%)

$537,768 + $374,655

$912,423

2023

$10,550 (+0.8%)

$527,224 + $367,309

$894,533

2022

$10,471 (+2.2%)

$516,887 + $360,107

$876,994

2021

$10,245 (+1.1%)

$506,752 + $353,047

$859,799

2020

$10,135 (+7.1%)

$496,816 + $346,125

$842,941

2019

$9,467 (+3.9%)

$491,722 + $342,576

$834,298

2018

$9,115 (+3.8%)

$482,081 + $285,859

$767,940

2017

$8,782 (+1.3%)

$463,362 + $274,759

$738,121

2016

$8,667 (+1.3%)

$463,362 + $274,759

$738,121

2015

$8,553 (+1.4%)

$454,277 + $269,372

$723,649

2014

$8,433 (+7.0%)

$438,689 + $260,129

$698,818

2013

$7,881 (+9.2%)

$438,689 + $260,129

$698,818

2012

$7,217 (−4.8%)

$425,000 + $230,000

$655,000

2011

$7,581 (−6.0%)

$389,878 + $220,122

$610,000

2010

$8,064 (+66.5%)

$411,928 + $232,572

$644,500

2009

$4,844 (+3.9%)

$444,000 + $248,000

$692,000

2008

$4,664

$177,061 + $221,201

$398,262

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

Public record

Public record
Zoning
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

7,500 Sq. Ft.

Year renovated

2000

Sq. Ft.

1,969

Year built

1984

Style

Single Family Residential

County

Contra Costa County

APN

2122920453

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2026.

RS-7

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

Parking

Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, RV/Boat Parking, Side Yard Access, Garage Door Opener

Interior

Virtual Tour

Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub, Solid Surface, Updated Baths
Primary Bathroom Included Features: Stall Shower, Tile, Updated Baths

Interior Features
Interior Features: Dining Area, Family Room, Breakfast Nook, Counter - Solid Surface, Stone Counters, Eat-in Kitchen, Updated Kitchen
Appliances: Dishwasher, Disposal, Gas Range, Microwave, Range, Trash Compactor
Laundry Features: 220 Volt Outlet, In Garage
Street Level Features: 4 Bedrooms, 2 Baths, Main Entry
Window Features: Window Coverings
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood, Tile, Carpet

Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Nook,Counter - Solid Surface,Counter - Stone,Dishwasher,Eat In Kitchen,Garbage Disposal,Gas Range/Cooktop,Microwave,Range/Oven Built-in,Trash Compactor,Updated Kitchen
Rooms Total: 10
Fireplace Features: Gas Starter, Living Room

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 1,969

Exterior Features
Exterior Features: Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Sprinklers Back, Sprinklers Front
Door Features: Mirrored Closet Door(s)
Fencing: Fenced
Roof: Shingle

Mobile Home Information
Model: Cape Cod

Property Information
Living Area: 1969
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1984

Lot Information
Lot Size Square Feet: 7500
Lot Size Area: 0.17
Lot Size Units: Acres
Lot Size Acres: 0.17
Lot Features: Court, Cul-De-Sac, Level

Utilities

Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Sewer: Public Sewer

Heating & Cooling
Has Heating
Heating: Forced Air, Natural Gas
Cooling: Central Air

Location

School Information
High School District: San Ramon Valley (925) 552-5500

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,969
Stories: 1.0
Lot Size: 7,500 square feet
Style: Single Family Residential
Year Built: 1984
Year Renovated: 2000
County: Contra Costa County
APN: 2122920453

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

Montevideo Elementary School

Public K-5 • Assigned • 0.4mi

9/10

Pine Valley Middle School

Public 6-8 • Assigned • 1.0mi

10/10

California High School

Public 9-12 • Assigned • 0.4mi

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...
3 weeks ago • San Ramon
Gagan Singh
Redfin Premier agent
656 deals
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Climate risks

1/10 Flood Factor

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

4/10 Fire Factor

2% chance of being in a wildfire in next 30 years

4/10 Heat Factor

8 days above 97° 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

15 unhealthy days expected this year, 16 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

$1.47M – $1.78M

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Home values near 621 San Tomas Pl

Data from public records.

Address	Redfin Estimate
640 San Tomas Pl, San Ramon, CA 4 Beds \| 2 Baths \| 1919 Sq. Ft.	$1,546,456
601 San Tomas Pl, San Ramon, CA 4 Beds \| 2 Baths \| 1919 Sq. Ft.	$1,449,513

Address	Redfin Estimate
600 San Tomas Pl, San Ramon, CA 3 Beds \| 2 Baths \| 1682 Sq. Ft.	$1,421,336
610 San Tomas Pl, San Ramon, CA 4 Beds \| 2 Baths \| 1969 Sq. Ft.	$1,457,955

Address	Redfin Estimate
641 San Tomas Pl, San Ramon, CA 4 Beds \| 3 Baths \| 2302 Sq. Ft.	$1,514,627
631 San Tomas Pl, San Ramon, CA 3 Beds \| 2 Baths \| 1682 Sq. Ft.	$1,434,018

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2009. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94583, CA

Sale history for 621 San Tomas Pl

Tax history for 621 San Tomas Pl

Public record

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 621 San Tomas Pl

More real estate resources