OFF MARKET

Off market sep 2004 for $699K

$1,511,061

Est. refi paymentEst. refi $4,470/mo

•

1,940

sq ft

450 San Diego Pl, San Ramon, CA 94583

About this home

Single-familyProperty Type

1981Year Built

7,000 sq ftLot Size

$779Est. Price/Sq.Ft.

2 car garageParking

Listed by Pamela Mays •DRE #00911337 • HOMETOWN GMAC RL EST

Bought with Bob Baptiste •DRE #01056636 • RE/MAX Accord

Redfin checked: 3 minutes ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40029431

Redfin Estimate

$1,511,061

$812K since sold in September 2004$21K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.2% higher than the average sale price ($1.45M) 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 OCT 6, 2026
$1,450,000
C
5 beds2 baths2,194 sq ft
3244 Vallejo Pl, San Ramon, CA 94586
SOLD JUN 30, 2026
$1,548,000
D
4 beds2 baths1,795 sq ft
270 Ludlow Pl, San Ramon, CA 94583
SOLD AUG 21, 2026
$1,550,000
E
5 beds2 baths2,254 sq ft
10049 El Dorado Dr, San Ramon, CA 94583
SOLD JUL 10, 2026
$1,615,000
F
4 beds2 baths1,795 sq ft
2861 Millbridge Pl, San Ramon, CA 94583

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Earn from this home

Sell

$1,213,730

Est. take-home

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Refinance

Est. cash available

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Rent

$4,408/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

100.0%

+0.7% MoM

Median sale price

$1.4M

$50K MoM

Avg. days on market

29d

7 days MoM

Recently sold homes

0 MoM

New listings for sale

NEW 1 DAY AGO
$998,000
4 beds2 baths1,683 sq ft
2679 Marsh Dr, San Ramon, CA 94583
Mills Realty
LISTED BY REDFIN
$649,000
2 beds2 baths988 sq ft
204 Stone Pine Ln, San Ramon, CA 94583
$899,900
3 beds2 baths1,456 sq ft
121 Rosario Ct, San Ramon, CA 94583
EARLY ACCESS
$1,165,000
3 beds4 baths1,837 sq ft
1200 Lorenzini Loop, San Ramon, CA 94583
$510,000
2 beds2 baths949 sq ft
265 Reflections Dr #16, San Ramon, CA 94583
$1,149,999
3 beds2 baths1,456 sq ft
2655 Marsh Dr, San Ramon, CA 94583
$1,175,000
4 beds2 baths1,399 sq ft
55 Sota Pl, San Ramon, CA 94583
$525,000
2 beds2 baths943 sq ft
125 Reflections Dr #24, San Ramon, CA 94583
$899,000
2 beds2 baths960 sq ft
6924 Wisteria St, San Ramon, CA 94583
$1,329,000
4 beds2 baths1,822 sq ft
29 Haven Pl, San Ramon, CA 94583
See all

Provided by Redfin

Sale history for 450 San Diego Pl

Year

Property tax

Land + Additions

Assessment*

2025

$11,545 (+2.1%)

$483,400 + $510,415

$993,815

2024

$11,305 (+1.7%)

$473,922 + $500,407

$974,329

2023

$11,121 (+0.8%)

$464,630 + $490,596

$955,226

2022

$11,037 (+2.2%)

$455,520 + $480,977

$936,497

2021

$10,797 (+1.1%)

$446,589 + $471,547

$918,136

2020

$10,684 (+1.1%)

$437,833 + $462,301

$900,134

2019

$10,565 (+3.9%)

$433,344 + $457,561

$890,905

2018

$10,171 (+3.8%)

$424,848 + $448,590

$873,438

2017

$9,799 (+4.1%)

$408,351 + $431,172

$839,523

2016

$9,417 (+11.6%)

$408,351 + $431,172

$839,523

2015

$8,435 (+5.9%)

$388,884 + $410,616

$799,500

2014

$7,967 (+9.2%)

$322,732 + $340,768

$663,500

2013

$7,294 (+12.1%)

$322,732 + $340,768

$663,500

2012

$6,509 (−2.1%)

$295,980 + $312,520

$608,500

2011

$6,647 (+0.7%)

$265,093 + $279,907

$545,000

2010

$6,600 (−19.3%)

$271,902 + $287,098

$559,000

2009

$8,181 (−0.6%)

$271,902 + $287,098

$559,000

2008

$8,231

$342,919 + $362,081

$705,000

Tax history for 450 San Diego Pl

Year

Property tax

Land + Additions

Assessment*

2025

$11,545 (+2.1%)

$483,400 + $510,415

$993,815

2024

$11,305 (+1.7%)

$473,922 + $500,407

$974,329

2023

$11,121 (+0.8%)

$464,630 + $490,596

$955,226

2022

$11,037 (+2.2%)

$455,520 + $480,977

$936,497

2021

$10,797 (+1.1%)

$446,589 + $471,547

$918,136

2020

$10,684 (+1.1%)

$437,833 + $462,301

$900,134

2019

$10,565 (+3.9%)

$433,344 + $457,561

$890,905

2018

$10,171 (+3.8%)

$424,848 + $448,590

$873,438

2017

$9,799 (+4.1%)

$408,351 + $431,172

$839,523

2016

$9,417 (+11.6%)

$408,351 + $431,172

$839,523

2015

$8,435 (+5.9%)

$388,884 + $410,616

$799,500

2014

$7,967 (+9.2%)

$322,732 + $340,768

$663,500

2013

$7,294 (+12.1%)

$322,732 + $340,768

$663,500

2012

$6,509 (−2.1%)

$295,980 + $312,520

$608,500

2011

$6,647 (+0.7%)

$265,093 + $279,907

$545,000

2010

$6,600 (−19.3%)

$271,902 + $287,098

$559,000

2009

$8,181 (−0.6%)

$271,902 + $287,098

$559,000

2008

$8,231

$342,919 + $362,081

$705,000

*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

7,000 Sq. Ft.

Year renovated

1982

Sq. Ft.

1,891

Year built

1981

Style

Single Family Residential

County

Contra Costa County

APN

2122920156

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 10, 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

Dec 12, 2023 • Final

Miscellaneous - re-roof

Remove existing roof shingles and install new roof shingles.

Roofing

Aug 22, 2022 • 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

Parking

Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Int Access From Garage

Interior

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

Interior Features
Interior Features: Family Room, Formal Dining Room, Breakfast Nook, Tile Counters, Eat-in Kitchen, Pantry
Appliances: Dishwasher, Double Oven, Electric Range, Disposal, Oven, Trash Compactor, Gas Water Heater
Laundry Features: 220 Volt Outlet, Gas Dryer Hookup, Hookups Only, In Garage
Street Level Features: 4 Bedrooms, 2 Baths, Laundry Facility, Main Entry
Window Features: Window Coverings
Fireplaces Total: 2
Has Fireplace
Flooring: Linoleum, Tile, Carpet

Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Nook,Counter - Tile,Dishwasher,Double Oven,Eat In Kitchen,Electric Range/Cooktop,Garbage Disposal,Oven Built-in,Pantry,Trash Compactor
Rooms Total: 9
Fireplace Features: Family Room, Gas Starter, Living Room, Wood Burning

Exterior

Building Information
Construction Materials: Stucco, Wood Siding
Building Area Total: 1,940
Builder Name: American Homes
Foundation Details: Slab

Exterior Features
Patio And Porch Features: Patio, Covered
Exterior Features: Sprinklers Automatic, Sprinklers Back, Sprinklers Front
Door Features: Mirrored Closet Door(s)
Roof: Shingle

Mobile Home Information
Model: Windsor 302

Property Information
Living Area: 1940
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1981

Lot Information
Lot Size Square Feet: 7000
Lot Size Area: 0.16
Lot Size Units: Acres
Lot Size Acres: 0.16
Lot Features: Level

Utilities

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

Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air

Location

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

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,891
Stories: 1.0
Lot Size: 7,000 square feet
Style: Single Family Residential
Year Built: 1981
Year Renovated: 1982
County: Contra Costa County
APN: 2122920156

Home facts updated by county records on Oct 10, 2026

Around this home

Schools

Montevideo Elementary School

Public K-5 • Assigned • 0.5mi

9/10

Pine Valley Middle School

Public 6-8 • Assigned • 1.0mi

10/10

California High School

Public 9-12 • Assigned • 0.3mi

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...
1 month 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

$1.44M – $1.74M

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Home values near 450 San Diego Pl

Data from public records.

Address	Redfin Estimate
435 San Diego Pl, San Ramon, CA 3 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,422,293
440 San Diego Pl, San Ramon, CA 3 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,402,729

Address	Redfin Estimate
420 San Diego Pl, San Ramon, CA 4 Beds \| 3 Baths \| 2586 Sq. Ft.	$1,621,329
411 San Diego Pl, San Ramon, CA 3 Beds \| 3 Baths \| 2221 Sq. Ft.	$1,513,364

Address	Redfin Estimate
430 San Diego Pl, San Ramon, CA 4 Beds \| 3 Baths \| 2221 Sq. Ft.	$1,563,625
451 San Diego Pl, San Ramon, CA 3 Beds \| 2 Baths \| 1891 Sq. Ft.	$1,514,115

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2004. 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 450 San Diego Pl

Tax history for 450 San Diego 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 450 San Diego Pl

More real estate resources