1578 Ruby Ct, Diamond Bar, CA 91765
Property image
Property image
OFF MARKET

$1,902,100

Trulia Estimate
  • 6 Beds
  • 5 Baths
  • 4,325 sqft

1578 Ruby Ct, Diamond Bar, CA 91765

Est. Refi. Payment $12,099/mo*
Refinance Your Home
Currently Off Market - Sold May 4, 2001 for $660,000

Home Value

Trulia Estimate
$1.9M
Since last month
Increased$16K (+0.8%)
Since last year
Increased$5K (+0.2%)
Since last sale
Increased$1M (+188.2%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +39% in the last 10 years
MonthEstimated value
2026
September 2026$1.9M
August 2026$1.89M
July 2026$1.96M
June 2026$1.97M
May 2026$1.95M
April 2026$1.96M
March 2026$1.94M
February 2026$1.92M
January 2026$1.9M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
1569 Silver Ln, Diamond Bar, CA
0.15
Single-Family Home
$2,220,000
01/12/26
6
4.5
4,323
1571 Sapphire Ln, Diamond Bar, CA
0.21
Single-Family Home
$2,370,000
05/04/26
5
5
4,425
1509 Sapphire Ln, Diamond Bar, CA
0.22
Single-Family Home
$2,499,000
05/06/26
5
5
4,425
21408 Running River Ct, Diamond Bar, CA
0.40
Single-Family Home
$1,265,000
07/31/26
5
4
2,334
1865 Shaded Wood Rd, Diamond Bar, CA
0.43
Single-Family Home
$1,590,000
03/31/26
5
4
3,256
1321 Glenthorpe Dr, Diamond Bar, CA
0.26
Single-Family Home
$1,319,000
07/28/26
4
2.5
2,432
1890 Peaceful Hills Rd, Diamond Bar, CA
0.47
Single-Family Home
$600,000
11/25/25
4
3
2,243
1301 Glenthorpe Dr, Diamond Bar, CA
0.29
Single-Family Home
$1,257,000
03/06/26
3
3
2,212
1923 White Star Dr, Diamond Bar, CA
0.40
Single-Family Home
$1,300,000
10/07/25
4
3
2,334
1848 Shaded Wood Rd, Diamond Bar, CA
0.39
Single-Family Home
$1,650,000
09/29/25
5
3
2,972

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
1535 Ruby Ct, Diamond Bar, CA 91765
0.05
$2,376,800
5
5
4,425
Off Market
1548 Ruby Ct, Diamond Bar, CA 91765
0.04
$2,151,300
5
4.5
4,323
Off Market
1511 Ruby Ct, Diamond Bar, CA 91765
0.06
$2,192,600
5
4.5
4,521
Off Market
1569 Silver Ln, Diamond Bar, CA 91765
0.15
$2,220,000
6
4.5
4,323
Recently Sold
20957 Jade Ct, Diamond Bar, CA 91765
0.15
$2,357,900
5
5
4,425
Off Market
1570 Sapphire Ln, Diamond Bar, CA 91765
0.18
$2,390,800
5
4.5
4,425
Off Market
1366 Glenthorpe Dr, Diamond Bar, CA 91789
0.20
$998,400
3
2
1,468
Off Market
1701 Fern Hollow Dr, Diamond Bar, CA 91765
0.15
$1,028,600
3
2
1,550
Off Market
1509 Sapphire Ln, Diamond Bar, CA 91765
0.22
$2,499,000
5
5
4,425
Recently Sold
1321 Glenthorpe Dr, Diamond Bar, CA 91789
0.26
$1,319,000
4
2.5
2,432
Recently Sold
1517 Diamond Ct, Diamond Bar, CA 91765
0.28
$2,337,200
6
4.5
4,323
Off Market
1541 Diamond Ct, Diamond Bar, CA 91765
0.28
$1,900,900
4
3.5
3,653
Off Market

Local Information

  • Map ViewExplore the area around 1578 Ruby Ct.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1998
4,325 sqft
$440/sqft
Garage

About this House

Desirable "Diamond Crest" gated community.Prestigious Walnut School District.Open floor plan. 6 Bedrooms+library+4.5 Bathrooms.One suite and library downstairs.Cathedral ceiling in living room and entry.Wood floor in entry and hallway.Large family room with fireplace,built-in bookshelves.Gourmet kitchen with island,built-in appliances, and walk-in pantry.Master suite with walk-in closet.2 central AC.Close to South Pointe Middle School, Diamond Bar High School and market.
1578 Ruby Ct, Diamond Bar, CA 91765 is a 6 bedroom, 5 bathroom, 4,325 sqft single-family home built in 1998. It last sold for $660,000 on May 4, 2001. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,902,100, with a rent estimate of $6,349/month.

Home Details for 1578 Ruby Ct

Exterior Features

Exterior Home Features
Roof: Other
Parking & Garage
GarageParking Spaces: 3Parking: Garage Attached

Property Information

Year Built
Year Built: 1998Year Updated: 1998
Property Type / Style
Property Type: Single Family HomeArchitecture: Other

Interior Features

Interior Details
Types of Rooms: Walk In Closet, Family Room, Library, Pantry
Heating & Cooling
Air ConditioningCooling System: Central

Community

Units in Building: 1

Lot Information

Lot Area: 8015 sqft

Price and Tax history

DateEventPrice
Sep 1, 2013
Source: Agent Provided
ListingRemoved
$1,358,000
Jun 29, 2013
Source: Agent Provided
PriceChange
$1,358,000
Price decreased by 2%
May 2, 2013
Source: Agent Provided
Listed For Sale
$1,388,000
May 4, 2001
Source: N/A
Sold
$660,000
Jun 30, 1999
Source: N/A
Sold
$496,500

Market trends in Diamond Bar

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.08M
$21.33KMoM
Sale-to-List Price
99.0%
0.3%MoM
Price per sq ft
$560
$6MoM
Available listings
193
10MoM

Around this home

What Locals Say about Diamond Bar

At least 314 Trulia users voted on each feature.

  • 89 % Say it's dog friendly

  • 88 % Say there are sidewalks

  • 85 % Say car is needed

  • 80 % Say streets are well-lit

  • 78 % Say parking is easy

  • 77 % Say yards are well-kept

  • 74 % Say it's quiet

  • 66 % Say there's holiday spirit

  • 65 % Say people would walk alone at night

  • 64 % Say there's wildlife

  • 60 % Say they plan to stay for at least 5 years

  • 50 % Say kids play outside

  • 48 % Say it's walkable to grocery stores

  • 47 % Say neighbors are friendly

  • 45 % Say it's walkable to restaurants

  • 25 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • 4szj5yrwps
    "Diamond Bar, California, is a distinctive suburban community in eastern Los Angeles County, offering a unique blend of natural beauty, cultural diversity, and modern amenities. The city is characterized by its rolling hills, scenic landscapes, and well-maintained parks, providing residents with ample opportunities for outdoor recreation. Notable parks include Sycamore Canyon Park and Summitridge Park, both offering hiking trails with picturesque views of the San Gabriel Mountains.  The community’s cultural diversity is reflected in its vibrant culinary scene, featuring a wide array of international cuisines. Events such as the annual Family Festival showcase this diversity through live music, carnival games, and food vendors, fostering a strong sense of community among residents.  Education is a cornerstone of Diamond Bar the unique combination of natural beauty, cultural richness, educational excellence, and forward-thinking initiatives make it a standout community within the greater Los Angeles area."
    0
    Flag
  • Linda Correa
    "School district, bad traffic, no food variety, city does not help girls softball, no entertaining, safe neighborhood."
    0
    Flag
  • hubby pie
    "Safe and quiet. Many families live here and school district is top notch if you are in Walnut Valley Unified School District. That covers about half of Diamond Bar. The other district is good but not as good as Walnut."
    0
    Flag
  • Trulia User
    "Plenty of dog owners in the neighborhood. Everyone is polite to pick up their dogs poop as well as training friendly dogs."
    0
    Flag
  • hubby pie
    "Diamond Bar is a great city with plenty of parks, quiet neighborhoods and excellent shopping and dining. Schools are top notch."
    0
    Flag
  • hubby pie
    "Diamond Bar is a safe and friendly community. People care about the community and are proud of this community."
    2
    Flag
  • hubby pie
    "easy commute with two freeways passing through the community so access to LA, OC, and IE are as easy as it gets."
    0
    Flag
  • Madelynnpf
    "I lived in this neighborhood for almost 30 years and can’t imagine living anywhere else. It’s quiet and a great place to rise a family."
    1
    Flag
  • Alexis T.
    "Dogs are welcome in this neighborhood. Everyone cleans up after themselves, keeping the neighborhood tidy. The only thing I can think of is that there are sometimes mountain lions and hawks present which is dangerous for small dogs"
    12
    Flag
  • Romoguadalupe
    "there are many wonderful hiking trails in the area with beautiful views. If you love nature, you'll love DB. "
    1
    Flag
  • Deanna L. R.
    "The yearly Firework show in the park is always nice. The Diamond Bar birthday celebration is a lot of fun as well. "
    0
    Flag
  • Hemming L. A.
    "I’ve lived in this neighborhood for 40 years and it’s a great place to live. Lots of hiking trails and 30 minutes to downtown or the beach."
    0
    Flag
  • Nicholesaralegui
    "I like this place very family and friendly. kids have greats activity here in city. we live this place"
    0
    Flag
  • Lauren B.
    "Commute is not too bad. I drive my own vehicle. It only gets congested on Diamond Bar Blvd or Grand Ave but otherwise driving in Diamond Bar is pleasant "
    0
    Flag
  • Raymond W.
    "Diamond Bar is the safest city I’ve ever lived in. Also, it has many schools and parks! Very family oriented. "
    3
    Flag
  • Oryaan53
    "my family has lived in this neighborhood for 10plus years and its always been a nice quiet , safe and friendly place to live "
    1
    Flag
  • Shengbinmi
    "Some of them allow dogs to walk around by themselves in front of their houses, but the dogs are actually very friendly."
    0
    Flag
  • Trulia User
    "Lots of open space and parks. Lots of sidewalks with trees. There are pet friendly parks and houses. "
    1
    Flag
  • Evelyn G. D. L. C.
    "A lot of cars speed down Pathfinder, otherwise its a very safe neighborhood. The schools are good. Neighbors are friendly. "
    0
    Flag
  • Nicholesaralegui
    "we have amazing neighbors and love the community. the city offers a lot of family activities for everyone."
    0
    Flag
  • Vickiwj
    "Festival, movie night, fireworks, recreational activities, library events, many scenic trails, dog parks, "
    0
    Flag
  • Nicholesaralegui
    "the city is wonderful for family activities. we love this city and all it has to offer. its a great place to raise a family."
    0
    Flag
  • Hemming L. A.
    "I’ve lived here for 40 years. Plenty of hiking trails, 30 minutes from LA, 40 min from the beach. Good area."
    1
    Flag
  • Allyawsome01
    "Good transportation not too much traffic nice people nice area beautiful place to raise a family. Amazing schools"
    0
    Flag
  • Christine B.
    "My neighborhood is clean and has very respectable and friendly residents. I feel very safe living here."
    0
    Flag
  • Ashley S.
    "Driving is the main means of transportation. There is a metro station as well as bus stops. However, most people drive."
    0
    Flag
  • Wlcastellanos
    "Lots of places to walk your dog...plenty of parks. A few people do not pick up after their dogs but most do and care for the neighborhood."
    0
    Flag
  • Nathan Q.
    "We have young whipper snappers race their cars up and down the street at all hours of the night. As a community we all take turns calling the sheriffs department on them. "
    1
    Flag
  • Steveji1019
    "Neighborhood with quite a lot of Asian cultures. Schools are some of the best around. Middle class to upper middle class families. "
    0
    Flag
  • Tahir P.
    "I work in Diamond Bar, my job is less than 3 miles from my house, but still my commute is 15 minutes at times on a good day (no red lights) 7 mins is as fast as I can get to work which is awesome. Lots of cars on main roads (Grand and Diamond Bar) every morning. People going to schools /work. "
    1
    Flag
  • Joel P.
    "Diamond bar is perfectly located at the intersection of 3 major freeways. 57 ,60, and 10. and very close to the 210. I use all of these in my commute making Diamond bar ideal for my line of work. "
    1
    Flag
  • Christine
    "Summer movie nights, Fourth of July celebrations, avid long-time spirited Halloween, farmer’s markets. "
    0
    Flag
  • Ethan Y
    "Yes, they would like living in my area. There are many people walking their dogs in my community. But I don’t like dog barking"
    0
    Flag
  • Kenny O.
    "Quiet area, but be careful of home invasion robbers. Always closed garage doors, and entry points of your home."
    0
    Flag
  • Polly Anderson
    "There are frequent car crashes and dangerous drivers running red lights and just causing close calls."
    0
    Flag
  • Su S.
    "This is a Good place. Good high school near by. Neighborhood are friendly. I really love this community. Pet friendly. Easy to go freeway. "
    0
    Flag
  • Andy M
    "Not much. Just a bedroom community. But I like it the way it is. There have been little.changes in the past ten years other than two small new developments. "
    0
    Flag
  • Tahir P.
    "Cut down to 7 mins as opposed to 45-60 mins one way , the mornings can be a little annoying with the 2 minute signals on main roads"
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 1578 Ruby Ct

  • What is 1578 Ruby Ct estimated to be worth?
    Trulia's estimated value for 1578 Ruby Ct in Diamond Bar, CA is $1,902,100.
  • What is the price history for 1578 Ruby Ct?
    1578 Ruby Ct in Diamond Bar, CA last sold for $660,000 in May 2001.
  • Is Diamond Bar a buyer's or seller's market?
    Diamond Bar is currently a balanced market, based on recent for-sale activity.
  • What's the median sale price in Diamond Bar?
    The median sale price in Diamond Bar is $1.08M. That is down $21.33K from the prior month.
  • Does 1578 Ruby Ct have air conditioning?
    Yes, 1578 Ruby Ct in Diamond Bar, CA has air conditioning.
  • How big is the lot at 1578 Ruby Ct?
    The lot at 1578 Ruby Ct in Diamond Bar, CA is about 0.18 acres (8,015 sq ft).

Explore by feature - Pet Friendly

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