OFF MARKET

Off market dec 2012 for $793K

$1,171,871

Est. refi paymentEst. refi $5,222/mo

•

100

sq ft

12233 Alcosta Blvd, San Ramon, CA 94583

About this home

Single-familyProperty Type

2002Year Built

100 sq ftLot Size

$11,719Est. Price/Sq.Ft.

2 car garageParking

Listed by Richard Goh •DRE #01793772 • Goh Real Estate

Bought with Manoj Thomas •DRE #01808737 • New Century Real Estate

Redfin checked: a minute ago

•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40573298

Redfin Estimate

$1,222,433

$429K since sold in December 2012$6,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 38.3% lower than the average sale price ($1.98M) of 5 comparable homes.

SOLD JUL 17, 2026
$1,850,000
A
4 beds3 baths2,614 sq ft
439 Summercreek Ln, San Ramon, CA 94583
SOLD AUG 19, 2026
$2,350,000
B
5 beds3 baths3,367 sq ft
604 Lomond Cir, San Ramon, CA 94583
SOLD SEP 29, 2026
$1,731,000
C
4 beds3 baths2,448 sq ft
403 San Roberto Pl, San Ramon, CA 94583
SOLD SEP 1, 2026
$2,315,000
D
4 beds3 baths3,000 sq ft
34 Shetland Ct, San Ramon, CA 94583
BOUGHT WITH REDFIN JUN 1, 2026
$1,660,000
E
4 beds3 baths2,614 sq ft
280 Summerford Cir, San Ramon, CA 94583

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$727,255

Est. take-home

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Refinance

Est. cash available

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Rent

$6,009/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

OPEN SAT, 1PM TO 4PM
$1,199,999
4 beds2 baths1,447 sq ft
37 San Piedras Pl, San Ramon, CA 94583
OPEN SAT, 1PM TO 3PM
$1,449,800
5 beds3 baths2,119 sq ft
125 Wilton Pl, San Ramon, CA 94583
OPEN SUN, 1PM TO 4PM
$3,150,000
6 beds6.5 baths5,735 sq ft
3108 Ashbourne Cir, San Ramon, CA 94583
$1,198,000
4 beds2 baths1,232 sq ft
25 Marilyn Pl, San Ramon, CA 94583
OPEN SUN, 12PM TO 3PM
$499,000
2 beds1 bath924 sq ft
105 Compton Cir Unit A, San Ramon, CA 94583
$1,550,000
5 beds3 baths2,368 sq ft
2518 Kilpatrick Ct, San Ramon, CA 94583
COMING SOON
$1,599,000
4 beds3.5 baths2,121 sq ft
1002 Sinopia Ter, San Ramon, CA 94583
COMING SOON
$1,848,888
5 beds3 baths2,835 sq ft
52 Apache Ct, San Ramon, CA 94583
$615,000
2 beds1.5 baths954 sq ft
2749 Fountainhead Dr, San Ramon, CA 94583
OPEN SUN, 2PM TO 4PM
$1,165,000
3 beds3.5 baths1,837 sq ft
1200 Lorenzini Loop, San Ramon, CA 94583
See all

Provided by Redfin

Sale history for 12233 Alcosta Blvd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #40573298

Dec 5, 2012

Sold

$793,000

$7,930/sq ft

Aug 30, 2012

Pending

—

Jul 23, 2012

Price Changed

$800,000

$8,000/sq ft

Jun 6, 2012

Price Changed

$849,000

$8,490/sq ft

May 9, 2012

Listed

$875,000

$8,750/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40117333

Dec 30, 2005

Sold

$1,105,000

$11,050/sq ft

Nov 13, 2005

Listing Removed

—

Oct 12, 2005

Listed

$1,159,950

$11,600/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #40115693

Oct 12, 2005

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #40107998

Oct 5, 2005

Listing Removed

—

Year

Property tax

Land + Additions

Assessment*

2025

$11,645 (+2.1%)

$477,294 + $518,746

$996,040

2024

$11,404 (+1.6%)

$467,936 + $508,575

$976,511

2023

$11,220 (+3.7%)

$458,761 + $498,603

$957,364

2021

$10,819 (+1.1%)

$440,948 + $479,243

$920,191

2020

$10,706 (+1.1%)

$432,302 + $469,847

$902,149

2019

$10,587 (+3.9%)

$427,870 + $465,030

$892,900

2018

$10,192 (+3.8%)

$419,481 + $455,912

$875,393

2017

$9,819 (+1.3%)

$403,193 + $438,209

$841,402

2016

$9,693 (+1.3%)

$403,193 + $438,209

$841,402

2015

$9,567 (+1.4%)

$395,288 + $429,617

$824,905

2014

$9,435 (+1.2%)

$381,725 + $414,875

$796,600

2013

$9,320

$381,725 + $414,875

$796,600

2012

$9,329

$380,000 + $413,000

$793,000

2011

$9,323 (−11.5%)

$311,050 + $492,950

$804,000

2010

$10,531 (+0.1%)

$311,050 + $492,950

$804,000

2009

$10,520 (+1.4%)

$355,928 + $564,072

$920,000

2008

$10,370

$355,928 + $564,072

$920,000

Tax history for 12233 Alcosta Blvd

Year

Property tax

Land + Additions

Assessment*

2025

$11,645 (+2.1%)

$477,294 + $518,746

$996,040

2024

$11,404 (+1.6%)

$467,936 + $508,575

$976,511

2023

$11,220 (+3.7%)

$458,761 + $498,603

$957,364

2021

$10,819 (+1.1%)

$440,948 + $479,243

$920,191

2020

$10,706 (+1.1%)

$432,302 + $469,847

$902,149

2019

$10,587 (+3.9%)

$427,870 + $465,030

$892,900

2018

$10,192 (+3.8%)

$419,481 + $455,912

$875,393

2017

$9,819 (+1.3%)

$403,193 + $438,209

$841,402

2016

$9,693 (+1.3%)

$403,193 + $438,209

$841,402

2015

$9,567 (+1.4%)

$395,288 + $429,617

$824,905

2014

$9,435 (+1.2%)

$381,725 + $414,875

$796,600

2013

$9,320

$381,725 + $414,875

$796,600

2012

$9,329

$380,000 + $413,000

$793,000

2011

$9,323 (−11.5%)

$311,050 + $492,950

$804,000

2010

$10,531 (+0.1%)

$311,050 + $492,950

$804,000

2009

$10,520 (+1.4%)

$355,928 + $564,072

$920,000

2008

$10,370

$355,928 + $564,072

$920,000

*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

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

100

Year renovated

2002

Sq. Ft.

100

Year built

2002

Style

Single Family Residential

County

Contra Costa County

APN

2124300530

Parking Spaces

Basement

Accessible

HOA Dues

—

Garage

Features

—

Last updated by owner on Mar 9, 2026.

RS-6

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, Garage, Enclosed, Garage Door Opener

Interior

Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Other Bathrooms Included Features: Shower Over Tub, Solid Surface, Tile
Primary Bathroom Included Features: Solid Surface, Stall Shower, Tile, Tub

Interior Features
Interior Features: Dining Area, Kitchen/Family Combo, Breakfast Bar, Breakfast Nook, Tile Counters, Kitchen Island
Appliances: Dishwasher, Gas Range, Microwave, Oven
Laundry Features: Hookups Only, Laundry Room
Upper Level Features: 4 Bedrooms, 2 Baths, Primary Bedrm Suite - 1, Laundry Facility
Street Level Features: 1 Bedroom, 1 Bath, No Steps to Entry, Main Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Tile, Vinyl, Carpet

Room Information
Kitchen Features: Breakfast Bar,Breakfast Nook,Counter - Tile,Dishwasher,Gas Range/Cooktop,Island,Microwave,Oven Built-in
Rooms Total: 11
Fireplace Features: Family Room

Exterior

Building Information
Construction Materials: Stucco
Building Area Total: 3,261
Foundation Details: Slab

Exterior Features
Patio And Porch Features: Covered
Exterior Features: Back Yard, Front Yard

Property Information
Living Area: 3261
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 2002

Lot Information
Lot Size Square Feet: 7405
Lot Size Area: 0.17
Lot Size Units: Acres
Lot Size Acres: 0.17
Lot Features: Level

Utilities

Utility Information
Water Source: Public
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: 1
Baths: 3.0
Sq. Ft.: 100
Stories: 2.0
Parking Spaces: 2
Basement: No
Accessible: No
Lot Size: 100 square feet
Style: Single Family Residential
Year Built: 2002
Year Renovated: 2002
County: Contra Costa County
APN: 2124300530
HOA Dues: —
Garage: No
Features: —

Home facts updated by owner on Mar 9, 2026

Around this home

Schools

Montevideo Elementary School

Public K-5 • Assigned • 0.6mi

9/10

Iron Horse Middle School

Public 6-8 • Assigned • 1.5mi

10/10

California High School

Public 9-12 • Assigned • 0.6mi

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...
2 months ago • San Ramon
Gagan Singh
Redfin Premier agent
658 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

7 days above 97° expected this year, 15 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

$1.11M – $1.35M

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New listings for sale in 94583

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Home values near 12233 Alcosta Blvd

Data from public records.

Address	Redfin Estimate
12249 Alcosta Boulevard, San Ramon, CA 4 Beds \| 3 Baths \| 2750 Sq. Ft.	$1,710,518
12245 Alcosta Boulevard, San Ramon, CA 3 Beds \| 2 Baths \| 2112 Sq. Ft.	$1,452,775

Address	Redfin Estimate
12223 Alcosta Boulevard, San Ramon, CA 5 Beds \| 3 Baths \| 3261 Sq. Ft.	$1,674,766
12227 Alcosta Boulevard, San Ramon, CA 4 Beds \| 3 Baths \| 3261 Sq. Ft.	$1,957,365

Address	Redfin Estimate
12237 Alcosta Boulevard, San Ramon, CA 4 Beds \| 3 Baths \| 2448 Sq. Ft.	$1,706,894
12253 Alcosta Boulevard, San Ramon, CA 4 Beds \| 3 Baths \| 2448 Sq. Ft.	$1,621,836

Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2012. This data may not show owner updates. 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 12233 Alcosta Blvd

Tax history for 12233 Alcosta Blvd

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 12233 Alcosta Blvd

More real estate resources