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$499,800 Just Listed

  • For Sale
  • Active
  • Condo
  • 2 Beds
  • 2 Full Baths
  • 828 Sq. Ft.
  • 2 Car Garage
  • Updated 2 hours ago

Next open house:

Open House: 1:00 PM - 4:00 PM

Sunday 8/16 1:00 PM - 4:00 PM

800 Grand Ave #A12,Diamond Bar, CA 91765

800 Grand Ave #A12Diamond BarCA91765

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Gated community! Beautifully upgraded upper-level condo located in the highly acclaimed Walnut Valley Unified School District, including Diamond Bar High School. This move-in ready home features well-maintained flooring, fresh interior paint, dual-pane windows, sliding patio doors, and a water heater replaced in 2022. The kitchen features quartz countertops and well-maintained cabinetry. The spacious primary suite includes two walk-in closets and an upgraded bathroom, while the secondary bedroom features a private balcony with beautiful views. Enjoy the convenience of an indoor laundry room with a stackable washer and dryer, plus two covered carport spaces. HOA includes water and trash. Community amenities include a pool, spa, BBQ area, and sand volleyball court. Conveniently located near Target, Starbucks, Diamond Bar Golf Course, Sycamore Canyon Park, Mt. SAC, Cal Poly Pomona, and with easy access to the 57 and 60 Freeways.

Full Property Details for 800 Grand Ave #A12

General

  • Price: $499,800
  • HOA FEE: $295/month
  • Status: Active
  • Type: Condo
  • Source: MRMLS
  • MLS ID: WS26171561
  • Updated: 8/16/2026
  • Days on Market: 1 days
  • Added to Site: 1 day(s) ago

Interior

  • Rooms/Areas: Primary Bedroom, Laundry, Kitchen, Living Room, Primary Bathroom
  • Fireplace(s): None
  • Eating Areas: Dining Room
  • Appliances: Dishwasher, Gas & Electric Range
  • Flooring: Wood

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 2

Other Rooms

  • Laundry: Gas Dryer Hookup

Additional Information

  • Shared Amenities: Water, Pool, Trash, Barbecue, Spa/Hot Tub
  • Pool Description: Association
  • Spa Description: Association

Parking

  • Garage: Yes
  • Garage Spaces: 2

Location

  • County: Los Angeles
  • Driving Directions: Grand Ave to Golden Springs Dr. Enter the community at 800 Grand Ave. Building A, Unit A12.

School Information

  • School District: Walnut Valley Unified

Community

  • Community Features: Sidewalks, Park
  • Assoc. Name: Fanster Property Management

Heating & Cooling

  • Cooling Type: Electric, Central Air
  • Heating Type: Natural Gas, Forced Air

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Structure Type: Condominium
  • Common Walls: 2 Common Walls (or More)
  • Entry Location: 2
  • Stories/Levels: Two
  • Stories Description: Two
  • Square Feet: 828
  • Sq. Ft. Source: Public Records
  • Year Built: 1992
  • Year Built Source: Public Records

Unit Information

  • Units in Complex: 54

Lot Features

  • Property View: City Lights
  • Lot Size (Acres): 4.49
  • Lot Size (Sq. Ft.): 195,584.4
  • Lot Size Source: Public Records

Financial Considerations

  • Price Per Sq. Ft.: $603.62
  • Association Fee: $295
  • Assoc Fee Freq.: Monthly

Disclosures and Reports

  • Special Conditions: Standard

Listed by Real Brokerage Technologies, Yan Zhang

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Listing agent

— 800 Grand Ave #A12 —

  • Yan Zhang

    Real Brokerage Technologies

626-461-6767

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 800 Grand Ave #A12

School District:Walnut Valley Unified School District
NameGradesDistance
Maple Hill Elementary School
1350 Maple Hill Road, Diamond Bar, CA 91765
K-50.7 mi
Chaparral Middle School, Diamond Bar, CA
1408 Spruce Tree Drive, Diamond Bar, CA 91765
6-80.6 mi
Diamond Bar High School
21400 Pathfinder Road, Diamond Bar, CA 91765
9-122.2 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 800 Grand Ave #A12 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/15/2026
Listed
$499,800
-2%
MLS
12/29/2023
Sold
$510,000
—
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 800 Grand Ave #A12

Year
Property Taxes
Change
Tax Assessment
Change
2025
$6,658
28%
$520,200
27%
2023
$5,199
2%
$410,957
2%
2022
$5,089
17%
$402,900
19%
2021
$4,349
1%
$338,666
1%
2020
$4,295
2%
$335,195
2%
2019
$4,214
4%
$328,623
2%
2018
$4,065
8%
$322,180
6%
2017
$3,763
9%
$305,000
9%
2016
$3,442
-2%
$279,300
—
2015
$3,508
6%
$279,300
10%
2014
$3,300
18%
$255,000
20%
2013
$2,794
—
$212,000
—
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 800 Grand Ave #A12

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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

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Listed by Real Brokerage Technologies, Yan Zhang

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800 Grand Ave #A12, Diamond Bar, CA 91765 (MLS# WS26171561) is a Condo property with 2 bedrooms and 2 full bathrooms. 800 Grand Ave #A12 is currently listed for $499,800 and was received on August 15, 2026. Want to learn more about 800 Grand Ave #A12? Do you have questions about finding other Condo 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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