Not an REO or Short Sale. Affordable single story home on a court near schools. Recently painted, new carpet, linoleum, front lawn and driveway. Clear Section one. Twelve yrs. of great nearby schools. Large pie shaped lot.Newer roof, heater and water heater.
Single-familyProperty Type
1969Year Built
8,550 sq ftLot Size
$1,024Est. Price/Sq.Ft.
2 car garageParking
Listed by Joseph Norton•DRE #00553156• Compass
Listed by Lindy Penfold•DRE #01193721• Alain Pinel Realtors
bridgeMLS, Bay East AOR, or Contra Costa AOR #40430852
Nov 18, 2009
Sold
$471,000
$408/sq ft
Oct 27, 2009
Pending
—
Sep 29, 2009
Listing Removed
—
Sep 23, 2009
Listed
$439,500
$381/sq ft
Public Records
Apr 28, 1977
Sold
$57,000
$49/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$7,355 (+2.0%)
$500,316 + $119,806
$620,122
2024
$7,209 (+1.7%)
$490,506 + $117,457
$607,963
2023
$7,088 (+0.7%)
$480,889 + $115,154
$596,043
2022
$7,036 (+2.0%)
$471,460 + $112,897
$584,357
2021
$6,898 (+0.7%)
$462,216 + $110,684
$572,900
2020
$6,848 (+1.4%)
$453,153 + $108,514
$561,667
2019
$6,751 (+3.8%)
$448,507 + $107,402
$555,909
2018
$6,501 (+3.8%)
$439,713 + $105,297
$545,010
2017
$6,266 (+1.3%)
$422,640 + $101,209
$523,849
2016
$6,184 (+1.0%)
$422,640 + $101,209
$523,849
2015
$6,125 (+1.2%)
$414,353 + $99,225
$513,578
2014
$6,052 (+6.6%)
$400,136 + $95,821
$495,957
2013
$5,675 (+13.8%)
$400,136 + $95,821
$495,957
2012
$4,986
$375,000 + $90,000
$465,000
2011
$4,986 (−11.7%)
$327,962 + $78,538
$406,500
2010
$5,645 (+235.4%)
$327,962 + $78,538
$406,500
2009
$1,683 (+5.7%)
$380,000 + $91,000
$471,000
2008
$1,593
$31,370 + $70,842
$102,212
Tax history for 21 Belfast Pl
Year
Property tax
Land + Additions
Assessment*
2025
$7,355 (+2.0%)
$500,316 + $119,806
$620,122
2024
$7,209 (+1.7%)
$490,506 + $117,457
$607,963
2023
$7,088 (+0.7%)
$480,889 + $115,154
$596,043
2022
$7,036 (+2.0%)
$471,460 + $112,897
$584,357
2021
$6,898 (+0.7%)
$462,216 + $110,684
$572,900
2020
$6,848 (+1.4%)
$453,153 + $108,514
$561,667
2019
$6,751 (+3.8%)
$448,507 + $107,402
$555,909
2018
$6,501 (+3.8%)
$439,713 + $105,297
$545,010
2017
$6,266 (+1.3%)
$422,640 + $101,209
$523,849
2016
$6,184 (+1.0%)
$422,640 + $101,209
$523,849
2015
$6,125 (+1.2%)
$414,353 + $99,225
$513,578
2014
$6,052 (+6.6%)
$400,136 + $95,821
$495,957
2013
$5,675 (+13.8%)
$400,136 + $95,821
$495,957
2012
$4,986
$375,000 + $90,000
$465,000
2011
$4,986 (−11.7%)
$327,962 + $78,538
$406,500
2010
$5,645 (+235.4%)
$327,962 + $78,538
$406,500
2009
$1,683 (+5.7%)
$380,000 + $91,000
$471,000
2008
$1,593
$31,370 + $70,842
$102,212
*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
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
8,550 Sq. Ft.
Year renovated
1970
Sq. Ft.
1,153
Year built
1969
Style
Single Family Residential
County
Contra Costa County
APN
2121120238
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
Oct 26, 2012 • Final
Retaining wall - building miscellaneous
Grading
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
Interior
Bathroom Information
# of Bathrooms Total: 2
# of Bathrooms Full: 2
Other Bathrooms Included Features: Shower Over Tub
Primary Bathroom Included Features: Shower Over Tub
Street Level Features: 3 Bedrooms, 2 Baths, Main Entry
Flooring: Linoleum, Carpet
Room Information
Kitchen Features: 220 Volt Outlet,Counter - Tile,Dishwasher,Range/Oven Free Standing,Refrigerator
Rooms Total: 7
Basement: Crawl Space
Exterior
Building Information
Construction Materials: Stucco, Wood Siding
Building Area Total: 1,153
Exterior Features
Patio And Porch Features: Deck
Exterior Features: Back Yard, Front Yard
Fencing: Fenced
Roof: Shingle
Property Information
Living Area: 1153
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1969
Lot Information
Lot Size Square Feet: 8550
Lot Size Area: 0.2
Lot Size Units: Acres
Lot Size Acres: 0.2
Lot Features: Cul-De-Sac, Level
Utilities
Utility Information
Electric: 220 Volts in Kitchen
Sewer: Public Sewer
Heating & Cooling
Has Heating
Heating: Forced Air
Location
School Information
High School District: San Ramon Valley (925) 552-5500
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,153
Stories: 1.0
Lot Size: 8,550 square feet
Style: Single Family Residential
Year Built: 1969
Year Renovated: 1970
County: Contra Costa County
APN: 2121120238
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Neil A. Armstrong Elementary School
Public K-5 • Assigned • 0.2mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 0.5mi
10/10
California High School
Public 9-12 • Assigned • 0.3mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2009. This data may not match public records. Learn more.