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$1,249,888 Just Listed
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Property Description
Beautifully remodeled 4-bedroom, 3-bath home in the highly desirable Phillips Ranch community, bordering Diamond Bar! Situated on one of the largest lots in the neighborhood, this move-in-ready home offers breathtaking sunset views, a spacious and functional floor plan, and tasteful upgrades throughout. The remodeled interior features an updated kitchen, beautifully renovated bathrooms, and modern finishes that blend style and comfort. Step outside to your private backyard oasis complete with a sparkling pool and spa, perfect for entertaining or relaxing while enjoying Southern California's beautiful sunsets. Additional highlights include a 3-car garage and a prime location with convenient access to the 57, 60, and 71 Freeways, as well as nearby shopping, dining, parks, and highly rated schools. This exceptional property combines an oversized lot, resort-style amenities, stunning views, and an unbeatable location in one of Phillips Ranch's most sought-after neighborhoods. A rare opportunity you won't want to miss!
Full Property Details
Full Property Details for 20 Monte Diablo
General
- Price: $1,249,888
- Status: Active
- Type: Single Family
- Source: MRMLS
- MLS ID: TR26154146
- Updated: 7/16/2026
- Days on Market: 3 days
- Added to Site: 3 day(s) ago
Interior
- Rooms/Areas: Formal Entry, Primary Bedroom, Entry, Attic, Laundry, Kitchen, Living Room, Main Floor Bedroom, Family Room, Loft, Primary Bathroom
- Interior Features: Quartz Counters, Unfurnished, High Ceilings, Recessed Lighting, Open Floorplan, Granite Counters
- Fireplace: Yes
- Fireplace(s): Primary Bedroom, Family Room
- Eating Areas: Dining Room, In Kitchen, In Family Room
- Appliances: Gas Cooktop, Disposal, Microwave, Gas Water Heater, Barbecue, Vented Exhaust Fan, Gas Range, Gas Oven, Dishwasher
- Flooring: Tile, Laminate
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
Bedrooms
- Total Bedrooms: 4
Other Rooms
- Laundry: Inside
Additional Information
- Pool: Yes
- Pool Description: In-Ground, Private, Heated, Gas Heat
- Spa Description: Private
Parking
- Garage: Yes
- Garage Spaces: 3
- Parking: Garage, Concrete, Driveway, Garage Door Opener, Golf Cart Garage
Location
- County: Los Angeles
- Driving Directions: Rancho Navato
School Information
- School District: Pomona Unified
- High School: DIARAN
Community
- Community Features: Street Lights, Storm Drains, Suburban
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Central
Utilities
- Sewer: Public Sewer
- Water: Public
Structural Information
- Structure Type: Single Family Residence
- Common Walls: No Common Walls
- Windows: Drapes, Skylight(s), Screens
- Entry Location: 1
- Stories/Levels: Two
- Stories Description: Two
- Square Feet: 2,560
- Sq. Ft. Source: Assessor
- Year Built: 1989
- Year Built Source: Assessor
Lot Features
- Property View: Mountain(s), Hills, Panoramic
- Lot Size (Acres): 0.2466
- Lot Size (Sq. Ft.): 10,742
- Lot Size Source: Assessor
- Irrigation System: Sprinkler System
- Lot Description: Cul-de-Sac, Landscaped, 0-1 Unit/Acre, Sprinklers Timer, Lot 10000-19999 Sqft, Sprinkler System, Back Yard, Lawn, Yard
- Fencing (Description): Wrought Iron
Financial Considerations
- Price Per Sq. Ft.: $488.24
Disclosures and Reports
- Special Conditions: Standard
Listed by Keller Williams Premier Prop, Frances Reinoso
Get Pre-Approved Today
Schools
Schools serving 20 Monte Diablo
School District:Pomona Unified School District
| Name | Grades | Distance |
|---|---|---|
Ranch Hills Elementary School 2 Trabuco Place, Pomona, CA 91766 | K-6 | 0.4 mi |
Lorbeer Middle School 501 South Diamond Bar Boulevard, Diamond Bar, CA 91765 | 7-8 | 1.7 mi |
Diamond Ranch High School 100 Diamond Ranch Road, Pomona, CA 91766 | 9-12 | 1.4 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 20 Monte Diablo
Date
Details
Price
Change
Source
7/14/2026
Listed
$1,249,888
165.93%
MLS
8/30/2002
Sold
$470,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 20 Monte Diablo
Year
Property Taxes
Change
Tax Assessment
Change
2025
$10,836
11%
$782,061
4%
2023
$9,746
1%
$751,695
2%
2022
$9,602
2%
$736,957
2%
2021
$9,390
—
$722,508
1%
2020
$9,361
11%
$715,100
17%
2019
$8,460
8%
$610,212
2%
2018
$7,856
2%
$598,248
2%
2017
$7,728
5%
$586,518
2%
2016
$7,383
1%
$575,018
2%
2015
$7,322
1%
$566,382
2%
2014
$7,270
6%
$555,288
6%
2013
$6,886
—
$525,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 20 Monte Diablo
20 Monte Diablo, Pomona, CA 91766 (MLS# TR26154146) is a Single Family property with 4 bedrooms and 3 full bathrooms. 20 Monte Diablo is currently listed for $1,249,888 and was received on July 14, 2026. Want to learn more about 20 Monte Diablo? Do you have questions about finding other Single Family real estate for sale in Pomona? You can browse all Pomona real estate or contact a Coldwell Banker agent to request more information.

