20439 Blue Mountain Dr, Walnut, CA 91789
OFF MARKET
Listed by Jinding Chen, Harvest Realty Development, (626) 593-7456 . Bought with Pinnacle Real Estate Group

20439 Blue Mountain Dr
Walnut, CA 91789

  • 3 Beds
  • 2 Baths
  • 1,971 sqft (on 0.27 acres)

$1,134,900

Trulia Estimate
as of Jul 17, 2026
Est. Refi. Payment $6,906/mo*
Refinance Your Home

$1,134,900

Trulia Estimate
as of Jul 17, 2026
Est. Refi. Payment $6,906/mo*
Refinance Your Home
3 Beds
2 Baths
1,971 sqft
(on 0.27 acres)

Local Information

  • Map ViewExplore the area around 20439 Blue Mountain Dr.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Description

A hidden gem nestled on top of a hill located in a highly sought-after Walnut cul de sac community. The home features a traditional kitchen with a bay window that opens to the family room and a large enclosed sunroom. The spacious living room connects and expands through the formal dining area ready for an open floor plan if desired. Relax in the easy-to-maintain and hardscaped side yard. A sizable home on a large lot within a bike ride to Mt. Sac College, Cal Poly Pomona, and walking distance to numerous scenic hiking trails. Close to Parks, Shopping Centers and quick access to nearby I-10, I-60, 71, 57, and 210 Fwys. Imagine the possibilities in your potential new home!!!
20439 Blue Mountain Dr, Walnut, CA 91789 is a 3 bedroom, 2 bathroom, 1,971 sqft single-family home built in 1965. It last sold for $1,050,000 on Aug 16, 2023 (11% above the $950,000 asking price). It is currently off market. The Trulia Estimate is $1,134,900, with a rent estimate of $4,406/month.

Home Highlights

Parking
2 Car Garage
Outdoor
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
180+ days ago

Home Details for 20439 Blue Mountain Dr

Interior Features

Interior Details
Number of Rooms: 5Types of Rooms: Master Bedroom, Bedroom, Bonus Room, Kitchen, Living Room
Beds & Baths
Number of Bedrooms: 3Main Level Bedrooms: 3Number of Bathrooms: 2Number of Bathrooms (full): 2Number of Bathrooms (main level): 2
Dimensions and Layout
Living Area: 1971 Square Feet
Appliances & Utilities
Laundry: In Garage
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Fireplace & Spa
Fireplace: Family RoomHas a Fireplace
Windows, Doors, Floors & Walls
Common Walls: No Common Walls
Levels, Entrance, & Accessibility
Stories: 1Number of Stories: 1Levels: OneEntry Location: front
View
Has a ViewView: Hills, Neighborhood

Exterior Features

Exterior Home Features
No Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas an Attached GarageParking Spaces: 2Parking: Garage Attached
Pool
Pool: None
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Surface & Elevation
Elevation Units: Feet

Days on Market

Cumulative Days on Market: 11

Property Information

Year Built
Year Built: 1965
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: HouseArchitecture: House
Building
Not a New ConstructionNot Attached PropertyNo Additional Parcels
Property Information
Parcel Number: 8712004028

Price & Status

Price
List Price: $950,000
Status Change & Dates
Off Market Date: Sun Jul 16 2023Possession Timing: Close Of Escrow

Active Status

MLS Status: Closed

Location

Direction & Address
City: Walnut
School Information
Elementary School: CollegewoodJr High / Middle School: SuzanneHigh School: WalnutHigh School District: Walnut Valley Unified

Community

Community Features: SidewalksNot Senior Community

HOA

Association for this Listing: California Regional MLS

Lot Information

Lot Area: 0.27 acres

Listing Info

Special Conditions: Standard

Offer

Listing Terms: Cash, Conventional, FHA, VA Loan

Miscellaneous

Mls Number: TR23118377Living Area Range Units: Square FeetActivation Date: Wed Jul 05 2023Common Interest: NoneStart Showing Date: Wed Jul 05 2023Universal Property Id: US-06037-N-8712004028-R-N

Additional Information

Sidewalks
Last check for updates: about 15 hours ago
Listed by Jinding Chen DRE #02048578, (626) 687-8668
Harvest Realty Development
Bought with: LI WANG DRE #02015748, Pinnacle Real Estate Group
Originating MLS: California Regional MLS
Source: CRMLS, MLS#TR23118377

Price History for 20439 Blue Mountain Dr

DatePriceEventSource
08/16/2023$1,050,000Sold
CRMLS #TR23118377
07/17/2023$950,000PendingCRMLS #TR23118377
07/06/2023$950,000Listed For SaleCRMLS #TR23118377
11/13/2020$725,000Sold
N/A

Market trends in Walnut

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
75
16MoM
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Property Tax and Assessment

Year2025
Tax$13,549
Assessment$1,071,000
Home facts updated by county records

Comparable Sales for 20439 Blue Mountain Dr

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
1732 Silvercrest Way, Walnut, CA
0.22
Single-Family Home
$1,080,000
12/02/25
3
2
2,039
20317 Alta Hacienda Dr, Walnut, CA
0.19
Single-Family Home
$1,180,000
05/21/26
4
3
1,969
20105 Shadow Mountain Rd, Walnut, CA
0.39
Single-Family Home
$1,350,000
05/18/26
3
2
1,703
1714 Mount Marty Dr, Walnut, CA
0.26
Single-Family Home
$1,238,000
01/22/26
4
2
1,836
20218 San Gabriel Valley Dr, Walnut, CA
0.19
Single-Family Home
$1,035,000
11/25/25
4
2
1,632
20630 Collegewood Dr, Walnut, CA
0.38
Single-Family Home
$1,100,000
09/18/25
4
2
1,582
1668 Chestnut Hill Dr, Walnut, CA
0.39
Single-Family Home
$1,037,000
04/06/26
3
2
2,073
1442 Bookman Ave, Walnut, CA
0.48
Single-Family Home
$960,000
01/16/26
3
2
1,440

Nearby homes

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Assigned Schools

These are the assigned schools for 20439 Blue Mountain Dr.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Walnut

At least 124 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 81 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 74 % Say it's quiet

  • 72 % Say streets are well-lit

  • 68 % Say people would walk alone at night

  • 63 % Say it's walkable to grocery stores

  • 63 % Say there's holiday spirit

  • 62 % Say there's wildlife

  • 62 % Say they plan to stay for at least 5 years

  • 47 % Say neighbors are friendly

  • 44 % Say it's walkable to restaurants

  • 44 % Say kids play outside

  • 29 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Nicholas R.
    "Very quiet neighborhood, not too much traffic, friendly neighbors. very nice and clean parks, that are close by. "
    4
    Flag
  • Angie.duran323
    "There’re lots of trails and long sidewalks in neighborhoods you can walk your dogs along. Sometimes all the dogs start barking at random times of day which is the only annoyance but other than that it’s great!"
    3
    Flag
  • T
    "City Walnut is known to have one the the best hiking trail in Southern California for adults, kids and pets"
    5
    Flag
  • Ronald G.
    "Public transportation is not very good. Especially for seniors living in the city. Stores are not really in walking distance and if you carry items, you will need to stop several times before getting home."
    1
    Flag
  • Ronald G.
    "The neighborhood is nice and people a generally nice. Easy to get around to stores and small shopping in the areas. If you want real shopping you have to leave the city."
    3
    Flag
  • sme2101
    "There are many families in our neighborhood, we have great parks, everyone is friendly and it’s a safe town"
    1
    Flag
  • Leslie a.
    "I lived here for about 6 years and I really enjoy the nature feel, the birds singing and the trails to walk on."
    2
    Flag
  • Fermin L.
    "I have lived here for the past 7 years and is a safe quiet neighborhood, great parks and city wide activities for children and adults, lots of trails to walk."
    1
    Flag
  • Needeposit
    "Living in the area for the last 20 years and in the same home for 12 years. Very safe area and one of the best school systems."
    1
    Flag
  • Ray
    "Great walking trails, very good schools and parks."
    1
    Flag

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Homes for sale near 20439 Blue Mountain Dr

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Off Market Homes Near 20439 Blue Mountain Dr

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The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-07-16 10:10:43 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information