1578 Ruby Ct
Diamond Bar, CA 91765
- 6 Beds
- 5 Baths
- 4,325 sqft
6 Beds
5 Baths
4,325 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1998
Living Area
4,325 sqft
Price/Sqft
$445
Parking
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. It is currently off market. The Trulia Estimate is $1,924,300, with a rent estimate of $6,022/month.
Home Details for 1578 Ruby Ct
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Heating & Cooling Heating: OtherAir ConditioningCooling System: CentralHeating Fuel: Other |
Interior Details Types of Rooms: Walk In Closet, Family Room, Library, Pantry |
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Exterior Home Features Roof: Other |
Parking & Garage GarageParking Spaces: 3Parking: Garage Attached |
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Year Built Year Built: 1998Year Updated: 1998 |
Property Type / Style Property Type: Single Family HomeArchitecture: Other |
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Units in Building: 1 |
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Lot Area: 8015 sqft |
Price History for 1578 Ruby Ct
| Date | Price | Event | Source |
|---|---|---|---|
| 09/01/2013 | $1,358,000 | ListingRemoved | Agent Provided |
| 06/29/2013 | $1,358,000 | PriceChange | Agent Provided |
| 05/02/2013 | $1,388,000 | Listed For Sale | Agent Provided |
| 05/04/2001 | $660,000 | Sold | N/A |
| 06/30/1999 | $496,500 | Sold | N/A |
Market trends in Diamond Bar
Last updated June 2026
Avg. sale price
$1.09M
$1.58KMoM
Sale-to-List Price
99.8%
Price per sq ft
$554
$7MoM
Available listings
198
34MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $12,811 |
| Assessment | $994,492 |
Home facts updated by county records
Comparable Sales for 1578 Ruby Ct
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.15 | Single-Family Home | $2,220,000 | 01/12/26 | 6 | 4.5 | 4,323 | |
0.21 | Single-Family Home | $2,370,000 | 05/04/26 | 5 | 5 | 4,425 | |
0.22 | Single-Family Home | $2,499,000 | 05/06/26 | 5 | 5 | 4,425 | |
0.40 | Single-Family Home | $1,280,000 | 08/28/25 | 5 | 4 | 3,482 | |
0.40 | Single-Family Home | $1,265,000 | 07/31/26 | 5 | 4 | 2,334 | |
0.43 | Single-Family Home | $1,590,000 | 03/31/26 | 5 | 4 | 3,256 | |
0.26 | Single-Family Home | $1,319,000 | 07/28/26 | 4 | 2.5 | 2,432 | |
0.47 | Single-Family Home | $600,000 | 11/25/25 | 4 | 3 | 2,243 | |
0.29 | Single-Family Home | $1,257,000 | 03/06/26 | 3 | 3 | 2,212 | |
0.40 | Single-Family Home | $1,300,000 | 10/07/25 | 4 | 3 | 2,334 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 1578 Ruby Ct.
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.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Apartments for Rent
Homes for sale near 1578 Ruby Ct
Off Market Homes Near 1578 Ruby Ct
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 $1,924,300.
- 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 seller's market, based on recent for-sale activity.
- What's the median sale price in Diamond Bar?The median sale price in Diamond Bar is $1.09M. That is down $1.58K 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).

