Motivated seller! Magnificently remodeled & ultra-private two story home nestled on the east side of San Ramon. This beautiful two story Ranch Ramon home is located on the frontage road and not on the main street on Alcosta. Walk into the spacious & impressive living room with natural lights a great place to entertain your guests. Let the entryway lead you to the formal dining room, kitchen & family room perfect for entertaining. There is a bedroom downstairs with full bath. Large nook area and family room with window and sliding door not only brings the natural light but allows you to see the beautiful backyard. After dinner, step outside to your own private backyard with huge deck, newly plastered swimming pool & spa. Walk upstairs to the gracious master suite with spacious bathroom. There are additional two bedrooms and a loft upstairs.
Single-familyProperty Type
1978Year Built
10,000 sq ftLot Size
$664Est. Price/Sq.Ft.
3 car garageParking
Listed by Faran Honardoost•DRE #01327248• Redfin
Contact: 949-989-0100
Bought with Anil Kumar•DRE #01458792• Realty ONE Group Future
Nicely updated home on large lot with swimming pool. The kitchen features dark cabinets, granite counter tops and stainless appliances. Full bd/bath on first floor.
11 years ago• May not reflect the current state of the home
Spacious two story with hardwood flooring. One bedroom and full bath on the first floor. Updated kitchen and baths. Master bedroom includes a large walk-in closet. Big backyard with pool and mature trees.
8 years ago• May not reflect the current state of the home
Roya Safi
Redfin Associate agent
Beautiful 2750 sqft 2 level single-family home in San Ramon.
3 bedrooms upstairs 1 bedroom with full bathroom downstairs that can be a guest room or in-law unit.
Split level living room with cozy fireplace. Travertine floors in entry hall.
Bonus...
living room upstairs.
Private backyard, big deck, pool and spa.
8 years ago• May not reflect the current state of the home
Hajni Cheek
Redfin Associate agent
Sale history for 12273 Alcosta Blvd
Date
Event
Price
bridgeMLS, Bay East AOR, or Contra Costa AOR #40840984
Jan 25, 2019
Sold
$1,146,000
$417/sq ft
Dec 28, 2018
Pending
—
Dec 21, 2018
Listing Removed
—
Nov 3, 2018
Price Changed
$1,185,000
$431/sq ft
Oct 3, 2018
Listed
$1,199,000
$436/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40720731
Dec 30, 2015
Sold
$985,000
$358/sq ft
Nov 16, 2015
Pending
—
Oct 28, 2015
Listed
$1,025,000
$373/sq ft
+25
Great Rancho Ramon home that has been beautifully updated throughout. Upstairs includes a loft. Hardwood floors, wrought iron & wood staircase, stunning kitchen and remodeled baths. Newer roof, pool equipment, furnace and A/C. Large 10,000 SF lot with expansive deck, pool, spa and mature redwoods.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40441226
Jan 29, 2010
Sold
$760,000
$276/sq ft
Dec 23, 2009
Pending
—
Dec 7, 2009
Listed
$779,000
$283/sq ft
+4
Gorgeous Home...Stunning Remodeled Kitchen w/Granite Counters, Cherry Cabinets, SS Appls. Lighted Pantry..Beautiful Cherry Hdwd Flooring & Newer W/W Carpeting. Gorgeous Remodeled Bthrms...4th Bdrm & Full Bath Dwnstrs...Fabulous Pool/Spa In Parklike Lrg Bkyrd, ...Within Minutes To Shopping.
Public Records
Jul 26, 1994
Sold
$305,000
$111/sq ft
Public Records
Jun 8, 1989
Sold
$359,500
$131/sq ft
Public Records
Sep 1, 1978
Sold
$117,000
$43/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$14,913 (+2.1%)
$796,478 + $507,469
$1,303,947
2024
$14,607 (+1.6%)
$780,861 + $497,519
$1,278,380
2023
$14,377 (+0.7%)
$765,550 + $487,764
$1,253,314
2022
$14,270 (+2.2%)
$750,540 + $478,200
$1,228,740
2021
$13,966 (+0.9%)
$735,824 + $468,824
$1,204,648
2020
$13,837 (+10.2%)
$721,397 + $459,632
$1,181,029
2019
$12,560 (+3.9%)
$714,000 + $454,920
$1,168,920
2018
$12,093 (+3.8%)
$610,194 + $435,095
$1,045,289
2017
$11,654 (+1.2%)
$586,500 + $418,200
$1,004,700
2016
$11,512 (+18.9%)
$586,500 + $418,200
$1,004,700
2015
$9,685 (+1.4%)
$575,000 + $410,000
$985,000
2014
$9,553 (+1.7%)
$447,521 + $352,751
$800,272
2013
$9,397 (+12.6%)
$447,521 + $352,751
$800,272
2012
$8,349 (−6.4%)
$443,455 + $349,545
$793,000
2011
$8,919 (+81.6%)
$395,362 + $311,638
$707,000
2010
$4,911 (+1.5%)
$425,000 + $335,000
$760,000
2009
$4,839 (+3.9%)
$214,704 + $182,174
$396,878
2008
$4,659
$215,215 + $182,607
$397,822
Tax history for 12273 Alcosta Blvd
Year
Property tax
Land + Additions
Assessment*
2025
$14,913 (+2.1%)
$796,478 + $507,469
$1,303,947
2024
$14,607 (+1.6%)
$780,861 + $497,519
$1,278,380
2023
$14,377 (+0.7%)
$765,550 + $487,764
$1,253,314
2022
$14,270 (+2.2%)
$750,540 + $478,200
$1,228,740
2021
$13,966 (+0.9%)
$735,824 + $468,824
$1,204,648
2020
$13,837 (+10.2%)
$721,397 + $459,632
$1,181,029
2019
$12,560 (+3.9%)
$714,000 + $454,920
$1,168,920
2018
$12,093 (+3.8%)
$610,194 + $435,095
$1,045,289
2017
$11,654 (+1.2%)
$586,500 + $418,200
$1,004,700
2016
$11,512 (+18.9%)
$586,500 + $418,200
$1,004,700
2015
$9,685 (+1.4%)
$575,000 + $410,000
$985,000
2014
$9,553 (+1.7%)
$447,521 + $352,751
$800,272
2013
$9,397 (+12.6%)
$447,521 + $352,751
$800,272
2012
$8,349 (−6.4%)
$443,455 + $349,545
$793,000
2011
$8,919 (+81.6%)
$395,362 + $311,638
$707,000
2010
$4,911 (+1.5%)
$425,000 + $335,000
$760,000
2009
$4,839 (+3.9%)
$214,704 + $182,174
$396,878
2008
$4,659
$215,215 + $182,607
$397,822
*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
4
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
10,000 Sq. Ft.
Year renovated
1990
Sq. Ft.
2,750
Year built
1978
Style
Single Family Residential
County
Contra Costa County
APN
2123510105
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 21, 2026.
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
Jul 13, 2017 • Final
Miscellaneous - re-roof
Roofing
May 30, 2017 • Final
Miscellaneous - plumbing
Plumbing
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: 3
Covered Spaces: 3
Parking Features: Attached, Side Yard Access, Garage Door Opener
Interior
Virtual Tour
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 3
Interior Features
Interior Features: Bonus/Plus Room, Family Room, Library, Breakfast Nook, Stone Counters, Eat-in Kitchen, Pantry, Updated Kitchen
Appliances: Dishwasher, Microwave, Oven
Laundry Features: 220 Volt Outlet, Laundry Room
Street Level Features: 1 Bedroom, 1 Bath, Laundry Facility, Main Entry
Fireplaces Total: 1
Has Fireplace
Flooring: Hardwood, Carpet
Room Information
Kitchen Features: Breakfast Nook,Counter - Stone,Dishwasher,Eat In Kitchen,Microwave,Oven Built-in,Pantry,Updated Kitchen
Rooms Total: 11
Fireplace Features: Brick, Dining Room, Living Room, Two-Way
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 2,750
Exterior Features
Patio And Porch Features: Covered
Exterior Features: Back Yard, Front Yard, Sprinklers Automatic, Sprinklers Back, Sprinklers Front
Fencing: Fenced
Roof: Shingle
Pool Information
Pool Features: Gas Heat, In Ground, Spa
Has Private Pool
Has Spa
Property Information
Living Area: 2750
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1978
Lot Information
Lot Size Square Feet: 10000
Lot Size Area: 0.23
Lot Size Units: Acres
Lot Size Acres: 0.23
Lot Features: Regular
Utilities
Utility Information
Water Source: Public
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Cooling: Central Air
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,750
Stories: 2.0
Lot Size: 10,000 square feet
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1990
County: Contra Costa County
APN: 2123510105
Home facts updated by county records on Aug 21, 2026
Around this home
Schools
Montevideo Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Iron Horse Middle School
Public 6-8 • Assigned • 1.4mi
10/10
California High School
Public 9-12 • Assigned • 0.7mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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San Ramon properties move fast, going pending in just 14 days. With fierce competition at the $1.6M median price, multiple offers and waived contingencies are the norm. Buyers must act decisively and submit their strongest offer immediately to win.
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2018. This data may not match public records. Learn more.