For Sale42d on market
20814 E Boulder Ln
Diamond Bar, CA, 91789 • 91789 • Los Angeles County
$1,128,000
$730/sqft
-$22,000 since Mar 20, 2026
Down payment assistance available
3Beds
3Baths
1,546Sqft
0.12 acLot
1987Built
Property DNA
2-Car Garage
Garage - Attached
$10/mo HOA
Clubhouse · Dog Park · Picnic Area · Playground
This home is getting attention
Listed 42 days ago · 2,242 views · 52 saves
Market activity
Demand and pricing signals for this listing
2,242 views
People checking out this listing
52 saves
Buyers have saved this home
42 days on market
Established listing
$730/sqft
Price per square foot
Selling Soon Prediction
HighThis home ranks in the top 18% of listings most likely to go under contract soon, based on market activity and demand signals.
Likelihood score
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About this home
Single Family · Built 1987
Beautiful Home located in the Desirable Area of S Diamond bar. Walk to the Roanld Reagan Park and Diamond Bar High School. Open and Bright Floor Plan with Large Vaulted Ceiling Of Living Room. Remodeled Kitchen with Quartz Counter tops. Downstair Full Bathroom with Shower. Upstairs has Huge Master Bedroom and two guest Bedroom. Hugh backyard with Green Meadow and New Fence. Big Lot Room for Addition and ADU. Elegant Front Porch. Convenient Location to 57 and 60 Fwy. Tennis court in the Park. Quiet Neighborhoood. Best Location to Easy Commute to Shopping, Schools, Work.
Estimated monthly payment
Based on current rates
$7,205/month
Principal & Interest$5,691
Property Tax$1,128
Insurance$376
HOA$10
Down payment20% ($225,600)
3%50%
Est. 6.48% rate · 30yr fixed · $902,400 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1987
HeatingCentral
CoolingNone
Parking2 Attached Garage spaces
HOA$10 monthly
Lot5,096 sqft
Days on Zillow42 Days
Price/sqft$730
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Year built1987
Stories2
Systems
HeatingCentral
CoolingNone
Water / SewerPublic / Public Sewer
Parking & Outdoor
ParkingGarage - Attached
Garage2 spaces
Lot5,096 sqft
Location & Tax
Neighborhood91789
Annual tax$13,736
Parcel8765019053
Bathrooms & Fees
Full baths3
HOA$10/mo
Features & details
10 categories of property features
Interior Features
Interior
All Bedrooms Up
Heating
Central
Cooling
None
Laundry
In Garage
Fireplace
Living Room
Exterior Features
Parking
Garage - Attached
Lot Features
0-1 Unit/Acre
Lawn
Community
Curbs
Views
None
Pool Features
None
Room details
1 room detailed
Bedroom
All Bedrooms Up
Listing insights
Market data and value estimates
StatusFor Sale
Days on market42
Est. value$1,112,200
Est. rent$3,729/mo
Tax rate1.18%
Price/sqft$730
On marketFeb 13, 2026
PostedFeb 13, 2026
Last sold$1,060,000
MLS updatedMar 20, 2026
Tour days9
Views2,242
Favorites52
How are the schools in Diamond Bar?
3 schools rated nearby
Location
Diamond Bar, CA, 91789
Price history
6 events
DateEventPrice$/sqftSource
Mar 20, 2026Price Change$1,128,000$730CRMLS
Feb 14, 2026Listed For Sale$1,150,000$744CRMLS
Oct 2, 2024Sold$1,060,000$686Public Record
Oct 24, 2013Sold$585,000$378Public Record
May 8, 2001Sold$287,500$186Public Record
Nov 6, 1997Sold$212,500$137Public Record
Price Change$1,128,000
Mar 20, 2026•$730/sqft•CRMLS
Listed For Sale$1,150,000
Feb 14, 2026•$744/sqft•CRMLS
Sold$1,060,000
Oct 2, 2024•$686/sqft•Public Record
Sold$585,000
Oct 24, 2013•$378/sqft•Public Record
Sold$287,500
May 8, 2001•$186/sqft•Public Record
Sold$212,500
Nov 6, 1997•$137/sqft•Public Record
Tax history
24 years of records
YearTax paidAssessed value
Mar 27, 2025$13,736$1,060,000
Mar 27, 2024$9,290$703,060
Mar 27, 2023$9,064$689,275
Mar 27, 2022$8,870$675,761
Mar 27, 2021$8,702$662,511
Mar 27, 2020$8,293$655,719
Mar 27, 2019$8,293$642,863
Mar 27, 2018$7,859$630,258
Mar 27, 2017$7,859$617,901
Mar 27, 2016$7,508$605,786
Mar 27, 2015$7,301$596,687
Mar 27, 2014$7,350$585,000
Mar 27, 2012—$344,896
Mar 27, 2011—$338,134
Mar 27, 2010—$335,608
Mar 27, 2009—$336,406
Mar 27, 2008—$329,811
Mar 27, 2007—$323,345
Mar 27, 2006—$317,006
Mar 27, 2005—$317,006
Mar 27, 2004—$304,698
Mar 27, 2003—$299,114
Mar 27, 2002—$293,250
Mar 27, 2000—$220,349
Nearby homes
Neighborhood details
Local context around this listing
Diamond Bar, CA • Los Angeles County
Nearby cities
GlendaleLancasterLong BeachLos AngelesPalmdalePasadenaPomonaSanta Clarita
Nearby zip codes
9176591789
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