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$645,000

  • For Sale
  • Active
  • Townhouse
  • 2 Beds
  • 1 Full Bath
  • 1 Partial Bath
  • 1,200 Sq. Ft.
  • 2 Car Garage
  • Updated 12 days ago
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Best Buy in Diamond Bar!!! This beautifully upgraded, turkey two-bedroom, on and a-half bath condominium located in desirable community of Diamond Bar, near supermarkets, shoppes, cross street of " Country Estate ". Great School of 10/10 Diamond Bar High school. New energy-efficient windows, stainless appliances, private patio, attached two cars garage and guest parking. Conveniently located with easy access to the 57, 60 freeway. Most important, top-rated schools for families focused on education that is an opportunity you don't want to miss! Please text for a code when showing… 626-215-6903

Full Property Details for 23640 Monument Canyon #C

General

  • Price: $645,000
  • HOA FEE: $365/month
  • Status: Active
  • Type: Townhouse
  • Source: MRMLS
  • MLS ID: TR26034593
  • Updated: 3/31/2026
  • Days on Market: 51 days
  • Added to Site: 51 day(s) ago

Interior

  • Rooms/Areas: Laundry, All Bedrooms Up, Kitchen, Living Room, Loft, Primary Bathroom
  • Interior Features: Balcony, Ceiling Fan(s)
  • Fireplace: Yes
  • Fireplace(s): Living Room, Family Room
  • Eating Areas: In Living Room, Dining Room, In Family Room
  • Appliances: Gas Water Heater, Double Oven, Gas Oven, Convection Oven, 6 Burner Stove, Dishwasher, Hot Water Circulator, Microwave, Coal Water Heater

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 1
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 2

Other Rooms

  • Laundry: Individual Room, In Garage, In Closet, Laundry Chute, In Kitchen, Upper Level, Dryer Included

Additional Information

  • Shared Amenities: Playground, Tennis Court(s), Pool, Outdoor Cooking Area, Spa/Hot Tub
  • Pool Description: Community
  • Spa Description: Community

Exterior

  • Deck/Patio: Patio

Parking

  • Garage: Yes
  • Garage Spaces: 2

Location

  • County: Los Angeles
  • Driving Directions: None

School Information

  • School District: Walnut Valley Unified

Community

  • Community Features: Mountainous, Sidewalks
  • Assoc. Name: mike mccarthy

Heating & Cooling

  • Cooling Type: Central Air, Wall/Window Unit(s)
  • Heating Type: Central

Utilities

  • Sewer: Private Sewer

Structural Information

  • Architectural Style: Custom-Built
  • Structure Type: Townhouse
  • Roof: Common Roof
  • Common Walls: 1 Common Wall
  • Doors: French Doors
  • Entry Location: door
  • Stories/Levels: Two
  • Stories Description: Two
  • Square Feet: 1,200
  • Sq. Ft. Source: Assessor
  • Year Built: 1979
  • Year Built Source: Builder

Unit Information

  • Units in Complex: 14

Lot Features

  • Property View: Pool, Canyon
  • Lot Size (Acres): 10.5966
  • Lot Size (Sq. Ft.): 461,588
  • Lot Size Source: Assessor
  • Fencing (Description): Good Condition

Green Features

  • Energy Efficient: Roof, Water Heater, Windows
  • Water Conservation: Water-Smart Landscaping, Flow Control

Financial Considerations

  • Price Per Sq. Ft.: $537.5
  • Association Fee: $365
  • Assoc Fee Freq.: Monthly

Disclosures and Reports

  • Special Conditions: Standard

Listed by IRN Realty, Joanna Yao

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Listing agent

— 23640 Monument Canyon #C —

  • Joanna Yao

    IRN Realty

626-215-6903

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 23640 Monument Canyon #C

School District:Walnut Valley Unified School District
NameGradesDistance
Quail Summit Elementary School
23330 Quail Summit Drive, Diamond Bar, CA 91765
K-50.5 mi
Chaparral Middle School, Diamond Bar, CA
1408 Spruce Tree Drive, Diamond Bar, CA 91765
6-80.7 mi
Diamond Bar High School
21400 Pathfinder Road, Diamond Bar, CA 91765
9-122.5 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 23640 Monument Canyon #C Get Price Alerts and Save Property

Date
Details
Price
Change
Source
2/28/2026
Price Reduced
$645,000
-0.46%
MLS
2/24/2026
Price Increased
$648,000
0.31%
MLS
2/21/2026
Listed
$646,000
87.25%
MLS
11/26/2014
Sold
$345,000
—
Public Record
Get Price Alerts and Save Property
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 for 23640 Monument Canyon #C

Year
Property Taxes
Change
Tax Assessment
Change
2025
$5,475
8%
$414,626
4%
2023
$5,079
104%
$398,528
2%
2022
$2,486
-49%
$390,715
2%
2021
$4,880
1%
$383,055
1%
2020
$4,818
2%
$379,128
2%
2019
$4,727
4%
$371,695
2%
2018
$4,560
5%
$364,408
2%
2017
$4,354
3%
$357,264
2%
2016
$4,228
-1%
$350,260
2%
2015
$4,253
35%
$345,000
43%
2014
$3,160
1%
$241,811
—
2013
$3,130
—
$240,720
—
View All
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 for 23640 Monument Canyon #C

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by IRN Realty, Joanna Yao

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23640 Monument Canyon #C, Diamond Bar, CA 91765 (MLS# TR26034593) is a Townhouse property with 2 bedrooms, 1 full bathroom and 1 partial bathroom. 23640 Monument Canyon #C is currently listed for $645,000 and was received on February 21, 2026. Want to learn more about 23640 Monument Canyon #C? Do you have questions about finding other Townhouse real estate for sale in Diamond Bar? You can browse all Diamond Bar real estate or contact a Coldwell Banker agent to request more information.

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