21230 Cold Spring Ln
Diamond Bar, CA 91765
- 3 Beds
- 2 Baths
- 1,720 sqft
3 Beds
2 Baths
1,720 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1962
Living Area
1,720 sqft
Price/Sqft
$590
Parking
Garage
About this House
This single-family home is located at 21230 Cold Spring Ln, Diamond Bar, CA. 21230 Cold Spring Ln is in Diamond Bar, CA and in ZIP code 91765. This property has 3 bedrooms, 2 bathrooms and approximately 1,720 sqft of floor space. This property has a lot size of 7840 sqft and was built in 1962.
21230 Cold Spring Ln, Diamond Bar, CA 91765 is a 3 bedroom, 2 bathroom, 1,720 sqft single-family home built in 1962. It last sold for $460,000 on Jul 1, 2011. More recently, it was listed as a rental in July 2018 with an asking price of $2,500 per month. That rental listing was removed on October 5, 2018. It is currently off market. The Trulia Estimate is $1,014,300, with a rent estimate of $3,932/month.
Home Details for 21230 Cold Spring Ln
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Heating & Cooling Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air |
Levels, Entrance, & Accessibility Stories: 1 |
Interior Details Number of Rooms: 9 |
Fireplace & Spa Fireplace |
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Year Built Year Built: 1962Year Updated: 1963 |
Property Type / Style Property Type: Single Family HomeArchitecture: Conventional |
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Parking & Garage GarageParking Spaces: 2Parking: Garage Attached |
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Units in Building: 1 |
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Lot Area: 7840 sqft |
Price History for 21230 Cold Spring Ln
| Date | Price | Event | Source |
|---|---|---|---|
| 10/05/2018 | $2,500 | ListingRemoved | Agent Provided |
| 07/17/2018 | $2,500 | Listed For Rent | Agent Provided |
| 01/07/2017 | $2,450 | ListingRemoved | Agent Provided |
| 05/12/2012 | $2,300 | ListingRemoved | Agent Provided |
| 03/07/2012 | $2,300 | PriceChange | Agent Provided |
| 07/22/2011 | $2,200 | Listed For Rent | Agent Provided |
| 07/01/2011 | $460,000 | Sold | N/A |
| 06/13/2011 | $458,900 | Listed For Sale | Agent Provided |
| 06/22/2001 | $250,000 | Sold | N/A |
| 05/15/1997 | $177,000 | 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 | $7,557 |
| Assessment | $577,773 |
Home facts updated by county records
Comparable Sales for 21230 Cold Spring Ln
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.09 | Single-Family Home | $1,000,000 | 08/05/25 | 4 | 2 | 1,556 | |
0.09 | Single-Family Home | $980,000 | 01/21/26 | 4 | 2 | 1,288 | |
0.20 | Single-Family Home | $999,999 | 12/05/25 | 3 | 2 | 1,300 | |
0.20 | Single-Family Home | $1,030,000 | 02/27/26 | 4 | 2 | 1,756 | |
0.30 | Single-Family Home | $880,000 | 02/26/26 | 3 | 2 | 1,280 | |
0.34 | Single-Family Home | $900,000 | 11/06/25 | 3 | 2 | 1,300 | |
0.24 | Single-Family Home | $1,200,000 | 02/23/26 | 4 | 2 | 2,268 | |
0.43 | Single-Family Home | $1,030,000 | 10/16/25 | 4 | 2 | 1,688 | |
0.41 | Single-Family Home | $1,098,000 | 07/22/26 | 3 | 2.5 | 2,174 | |
0.47 | Single-Family Home | $1,300,000 | 02/06/26 | 4 | 2 | 1,831 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 21230 Cold Spring Ln.
What Locals Say about Diamond Bar
At least 313 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.
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