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Sold for $905,000
  • Listed by: Real Broker • Zhuangyi Feng • Contact: fzhystar@gmail.com
    Bought with: WeTrust Realty
    $905,000

    20723 Northampton St, Diamond Bar, CA 91789

    4beds
    1,487sqft
    Single Family Residence
    Built in 1964
    8,125 Square Feet Lot
    $904,900 Zestimate®
    $609/sqft
    $3,687 Estimated rent

    Home value

    $904,900

    $823,000 - $995,000

    $3,687/mo

    Zestimate® history
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    What's special

    Rare opportunity to own in the prestigious Walnut Valley Unified School District, served by top-rated assigned schools that currently earn GreatSchools ratings of 9/10 and 10/10 from elementary through high school — walk the kids to Walnut Elementary right up the street, then send them on to South Pointe Middle School and Walnut High School. Top-tier education from K through 12, all within the neighborhood, and one of the strongest drivers of long-term home value in the region. A rare find for families and investors alike. The open floor plan offers 4 generously sized bedrooms and 2 well-appointed bathrooms, with a comfortable flow from room to room. The kitchen features quartz countertops and abundant natural light. Recessed lighting throughout and double pane windows keep the home bright, quiet and energy efficient. Step outside to the oversized covered patio and a well-proportioned, spacious backyard on an 8,125 sq ft lot, bathed in gentle Southern California breezes — an outdoor retreat you will enjoy year-round. Conveniently located with easy access to the 57, 60 & 10 Freeways — connecting you to employment centers, entertainment, and beyond. Surrounded by supermarkets, restaurants, and shopping centers, shopping and errands are easy and everything you need is within reach. Enjoy nearby community parks and Royal Vista Golf Course, rounding out a location that truly has it all. Safe, Quiet & Established: A welcoming, well-maintained community with tree-lined streets and a strong sense of neighborhood pride — the kind of place where families put down roots and build lasting memories across generations, and where strong rental demand ensures solid long-term value growth. Attached 2-car garage | Central A/C & Heat | Recessed Lighting | Double Pane Windows | Single-Level Living — No Stairs | 8,095 Sq Ft Lot Whether you are looking for the perfect family home or a smart long-term investment — this is the one.

    Zillow last checked:

    Listing updated:

    Listed by:

    Zhuangyi Feng DRE #02138294 fzhystar@gmail.com,

    Real Broker

    Bought with:

    Shuping Zhan, DRE #02061260

    WeTrust Realty

    Source: CRMLS,MLS#: TR26134161MLS LogoOriginating MLS: California Regional MLS

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 2
    • Full bathrooms: 2
    • Main level bathrooms: 2
    • Main level bedrooms: 4
    Rooms
    • Room types: Bedroom, Primary Bathroom, Primary Bedroom
    Primary bedroom
    • Features: Main Level Primary
    Bedroom
    • Features: All Bedrooms Down
    Bedroom
    • Features: Bedroom on Main Level
    Bathroom
    • Features: Bathtub, Quartz Counters, Separate Shower, Tub Shower
    Heating
    • Central, Forced Air, Fireplace(s)
    Cooling
    • Central Air
    Appliances
    • Included: Dishwasher, Gas Range, Tankless Water Heater
    • Laundry: In Garage
    Features
    • Block Walls, Ceiling Fan(s), Eat-in Kitchen, Recessed Lighting, All Bedrooms Down, Bedroom on Main Level, Main Level Primary
    • Flooring: Laminate, Tile
    • Windows: Double Pane Windows
    • Has fireplace: Yes
    • Fireplace features: Gas, Living Room
    • Common walls with other units/homes: No Common Walls
    Interior area
    • Total interior livable area: 1,487 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Concrete, Direct Access, Driveway, Garage, Garage Faces Side
    • Attached garage spaces: 2
    Features
    • Levels: One
    • Stories: 1
    • Entry location: Front
    • Patio & porch: Concrete, Covered
    • Pool features: None
    • Spa features: None
    • Fencing: Block,Wood
    • Has view: Yes
    • View description: Neighborhood
    Lot
    • Size: 8,125 Square Feet
    • Features: Back Yard, Front Yard
    Details
    • Parcel number: 8760018024
    • Zoning: LCRA8000
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Traditional
    • Property subtype: Single Family Residence
    Materials
    • Drywall, Stucco
    • Foundation: Slab
    • Roof: Composition
    Condition
    • Turnkey
    • New construction: No
    • Year built: 1964

    Utilities & green energy

    • Sewer: Public Sewer
    • Water: Public
    • Utilities for property: Sewer Connected, Water Connected

    Community & HOA

    Community
    • Features: Curbs, Street Lights, Sidewalks
    Location
    • Region: Diamond Bar

    Financial & listing details

    • Price per square foot: $609/sqft
    • Tax assessed value: $760,063
    • Date on market: 6/20/2026
    • Cumulative days on market: 68 days
    • Listing terms: Cash,Cash to New Loan,Conventional

    Price history

    DateEventPrice
    9/25/2026Sold$905,000-3.2%$609/sqft
    Source: CRMLS #TR26134161 Report a problem
    9/15/2026Pending sale$935,000$629/sqft
    Source: CRMLS #TR26134161 Report a problem
    8/29/2026Contingent$935,000$629/sqft
    Source: CRMLS #TR26134161 Report a problem
    8/14/2026Price change$935,000-2.6%$629/sqft
    Source: CRMLS #TR26134161 Report a problem
    8/1/2026Price change$960,000-3.6%$646/sqft
    Source: CRMLS #TR26134161 Report a problem
    7/5/2026Listed for sale$996,000$670/sqft
    Source: CRMLS #TR26134161 Report a problem
    6/27/2026Contingent$996,000$670/sqft
    Source: CRMLS #TR26134161 Report a problem
    6/21/2026Listed for sale$996,000+49.1%$670/sqft
    Source: CRMLS #TR26134161 Report a problem
    6/19/2026Listing removed$3,800$3/sqft
    Source: Zillow Rentals Report a problem
    6/10/2026Listed for rent$3,800$3/sqft
    Source: Zillow Rentals Report a problem
    12/19/2018Sold$668,000-0.3%$449/sqft
    Source: Public Record Report a problem
    11/30/2018Pending sale$670,000$451/sqft
    Source: Keller Williams Rlty Whittier #PW18270086 Report a problem
    11/28/2018Price change$670,000-1.5%$451/sqft
    Source: Keller Williams Rlty Whittier #PW18270086 Report a problem
    11/11/2018Listed for sale$680,000$457/sqft
    Source: Keller Williams Rlty Whittier #PW18270086 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2026-- $760,063 +2%
    2025$9,450 +4.7%$745,161 +2%
    2024$9,026 +2.5%$730,551 +2%
    2023$8,809 +2.1%$716,227 +2%
    2022$8,625 +1.9%$702,184 +2%
    2021$8,467 +1.3%$688,417 +1%
    2020$8,360 $681,360 +2%
    2019$8,360 +178.1%$668,000 +202.6%
    2018$3,006 $220,739 +2%
    2017$3,006 +4.5%$216,411 +2%
    2016$2,877 +3.2%$212,169 +1.5%
    2015$2,788 -0.8%$208,983 +2%
    2014$2,810 $204,890 +2.5%
    2012-- $199,967 +2%
    2011-- $196,047 +0.8%
    2010-- $194,583 -0.2%
    2009-- $195,047 +2%
    2008-- $191,224 +2%
    2007-- $187,475 +2%
    2006-- $183,800
    2005-- $183,800 +4%
    2004-- $176,665 +1.9%
    2003-- $173,428 +2%
    2002-- $170,028 +4%
    2000-- $163,427
    Find assessor info on the county website

    Neighborhood: 91789

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Walnut
    • Middle: Southpoint
    • High: Walnut

    Source: CRMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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    Estimated market value
    $904,900
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $904,900