#TR25045121, Luis Hong, Listing office: KW Executive
$2,749,000 List price
22621 Ridge Line Rd Diamond Bar, CA 91765
4 beds
4 full
3,699 sqft
1.8 acres
$743 / sqft
House
Property details
About 22621 Ridge Line Rd
Discover the pinnacle of hillside luxury in this fully reimagined 4-bedroom, 4-bath estate—3,669 sq ft of sleek, modern design set atop a private 1.78-acre knoll in the guard-gated Diamond Bar Country Estates. From the moment you arrive, you’re greeted by sweeping canyon-to-city-light panoramas that flow through walls of window's glass and expansive ceilings, bathing every room in warm, natural light. At the heart of the home, the chef’s kitchen shines with a dramatic waterfall-edge quartz island, premium appliances, custom European-style cabinetry, and polished hardware—perfect for both everyday meals and grand entertaining. Each spa-inspired bathroom is a sanctuary, boasting floating vanities, floor-to-ceiling tile, frameless rain-head showers, deep soaking tubs, and sleek bidet-equipped toilets. The versatile three-story floor plan features a main-level guest suite with private deck access, an upstairs loft/media room framed by glass railings, and a tucked-away fitness nook overlooking mature oaks. Step outside to an entertainer’s dream: multiple wraparound decks and covered verandas, a built-in barbecue with prep station, glowing fire pit, and terraced gardens—all designed for sunset cocktails, morning coffee, or starlit gatherings. Enjoy the perfect blend of tranquility and convenience—just minutes from top-rated schools, scenic hiking and biking trails, premier shopping, and fine dining. This is not just a home; it’s a lifestyle destination with the most breathtaking views in Diamond Bar.
Highlights
Home typeSingle Family Residence
HeatingCentral
StatusActive
CoolingCentral Air
Size3,699 sqft
Lot size1.7847 Acres
Year built1977
ParkingDriveway, Garage
MLS #PW25120510
Attached garage4 spaces
FireplaceDining Room, Family Room, Living Room
ViewCity Lights, Canyon, Hills, Panoramic, Valley, Trees/Woods
Summary
- Full Bathrooms: 4
- Appliances: Dishwasher, Electric Cooktop, Microwave, Refrigerator, Water Heater
- Flooring Type: Vinyl
- Interior: Separate/Formal Dining Room, Furnished, High Ceilings
- Fireplace: Dining Room, Family Room, Living Room
- Total Bedroom Count: 4
- Garage Space: 4 spaces
- Attached Garage: Yes
- Private Pool: No
- Parking: Driveway, Garage
- View: City Lights, Canyon, Hills, Panoramic, Valley, Trees/Woods
- Heating: Central
- Cooling: Central Air
- List Price: $2,749,000
- Price/SqFt: $743
- HOA Amount: $294 Monthly
- Annual Tax Amount: $5,394
- Tax Year: 2024
- Directions: From the 57 Freeway, exit Diamond Bar Blvd and head south. Turn right on Pathfinder Road, then left on Quail Summit Drive. Continue uphill and turn right on Ridge Line Road. The property will be on your right side.
- Year Built: 1977
- Stories: 3
- Living Area: 3,699 SqFt
- Lot Size: 1.7847 Acres
- MLS Number: PW25120510
- MLS Name: CRMLS
- Office Name: Ana Real Estate
- Office Email: tminhtriet25@gmail.com
- Listing Agent: Minh Nguyen
Based on information from California Regional Multiple Listing Service, Inc. 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. The data contained herein is copyrighted by CRMLS and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited.
The information being provided by California Regional Multiple Listing Service, Inc. (“CRMLS”) is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Any information relating to a property referenced on this web site comes from CRMLS. Properties may or may not be listed by the office/agent presenting the information. Real estate listings held by brokerage firms other than this broker are marked with the Internet Data Exchange logo and detailed information about them includes the names of the listing brokers and listing agents. MLS search engine provided by IHR Technology Services. This data is updated every 2 hours. Some properties appearing for sale on this display may subsequently have sold and may no longer be available.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 7/26/2025, 9:45:37 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
Price information
Property sales
| Date | Event | Price |
|---|---|---|
| Feb 28, 2024 | Home Sold | $1,400,000 |
Tax history
| Year | Assessment | Property Tax |
|---|---|---|
| 2024 | $385,925 | $5,394 |
| 2023 | $378,359 | $5,179 |
| 2022 | $370,941 | $5,025 |
| 2021 | $363,669 | $4,921 |
| 2020 | $359,941 | $4,772 |
| 2019 | $352,884 | $4,591 |
| 2018 | $345,966 | $4,397 |
| 2017 | $339,183 | $4,397 |
History based on county public records data.
Nearby schools
9
Maple Hill Elementary School
Public District KG-5
0.8 mi
•1350 Maple Hill Rd
7
Evergreen Elementary School
Public District KG-5
0.8 mi
•2450 Evergreen Springs Dr
9
Quail Summit Elementary School
Public District KG-5
0.9 mi
•23330 Quail Summit Dr
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $68,750. Typical income of Diamond Bar, CA residents is between $35k-100k annually. Most families are married, with kids. Residents of this area typically have post secondary degree education.
How much money do the neighbors make?
22%
<35k
51%
35k-100k
23%
100k-200k
4%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
What types of families live nearby?
29%
Single, No Kids
11%
Single, with Kids
28%
Married, No Kids
32%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
11%
<11 yrs old
11%
12-17 yrs old
23%
18-34 yrs old
47%
35-64 yrs old
8%
65+ yrs old
What do the neighbors do for fun?
Symphony or Opera
Yoga/pilates
Minor League Baseball Games
Where do the neighbors shop?
Chico's
H&M
New York & Company
Where do the neighbors go to eat?
Boston Market
Dominos Pizza
Chick-fil-A
What do the neighbors drive?
Volvo
Audi
Kia
What do the neighbors listen to?
Talk/Personality
Alternative
Urban Contemporary
All data provided by Home Junction and Claritas
Similar homes for sale
#CV25094571, CHINGTO WONG, Listing office: RE/MAX 2000 REALTY
#PW24245831, Matthew Nader, Listing office: LB Brokerage, Inc
#TR25144305, Grace Zhang, Listing office: RE/MAX Galaxy
#NP25138469, Daniel Banuelos, Listing office: Compass
Backup offers
#WS25141143, NI ZHEN, Listing office: RE/MAX 2000 REALTY
#WS25151093, WEN LUO, Listing office: KINGSTON REALTY
#WS25091607, WAN-I WU, Listing office: Partner Real Estate
Tour
#TR25071408, Chi Zhang, Listing office: Pinnacle Real Estate Group
#PW25144837, Michelle Tsai Aun, Listing office: Coldwell Banker Realty
Frequently asked questions
About 22621 Ridge Line Rd
The listing price of 22621 Ridge Line Rd property is $2,749,000.
The property 22621 Ridge Line Rd is a house located in Diamond Bar, California, 91765.
Active Listing: 22621 Ridge Line Rd is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 22621 Ridge Line Rd are: Maple Hill Elementary School (GreatSchools Rating 9/10), Evergreen Elementary School (GreatSchools Rating 7/10), Quail Summit Elementary School (GreatSchools Rating 9/10), Chaparral Middle School (GreatSchools Rating 9/10), South Pointe Middle School (GreatSchools Rating 8/10), Lorbeer Middle School (GreatSchools Rating 5/10), Diamond Bar High School (GreatSchools Rating 10/10), Ron Hockwalt Academies (Continuation) (GreatSchools Rating 3/10), Walnut High School (GreatSchools Rating 10/10).
According to the records, the last property tax for 2024 is $5,394 (source: MLS/based on county public records data).
The last sale was on February 28, 2024 for $1,400,000 (source: MLS/tax record).
The property at 22621 Ridge Line Rd has 4 bedrooms and 4 bathrooms.
The property 22621 Ridge Line Rd is 3,699 SqFt (source: MLS/tax record).
The year of construction for 22621 Ridge Line Rd is 1977.
This home is located at 22621 Ridge Line Rd in Diamond Bar, CA and zip code 91765 in the The San Gabriel Valley neighborhood. This 3,699 square foot home, which was built in 1977, sits on a 1.78 acre lot. Features: 4 bedrooms, 4 bathrooms. It has been listed on Rocket Homes since May 30, 2025 and is currently priced at $2,749,000.
Diamond Bar, CA housing market in June 2025 saw over 12 listings sold above listed price, more than 2 sold at listed price and over 20 sold below. The number of homes for sale in Diamond Bar, CA increased by 7.1% between May and June 2025. The median list price of listings available in June 2025 was $979,500, while the average time on the real estate market was 45 days.
From Rocket Homes Real Estate and based on county public records data.