21211 Cold Spring Ln, Diamond Bar, CA 91765
OFF MARKET
Listed by Ashley Hyde, Compass, (949) 520-0809 . Bought with Compass

$1,016,500

Trulia Estimate
  • 4 Beds
  • 2 Baths
  • 1,288 sqft

21211 Cold Spring Ln, Diamond Bar, CA 91765

Est. Refi. Payment $6,502/mo*
Refinance Your Home
Currently Off Market - Sold Jun 3, 2025 for $1,040,700

Home Value

Trulia Estimate
$1.02M
Since last month
Decreased$11K (-1.1%)
Since last year
Decreased$11K (-1.1%)
Since last sale
Decreased$23K (-2.2%)
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 +73% in the last 10 years
MonthEstimated value
2026
September 2026$1.02M
August 2026$1.03M
July 2026$1.03M
June 2026$1.03M
May 2026$1.03M
March 2026$1.02M
February 2026$1.02M
January 2026$1.02M
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
2819 Castle Rock Rd, Diamond Bar, CA
0.10
Single-Family Home
$980,000
01/21/26
4
2
1,288
21245 Cold Spring Ln, Diamond Bar, CA
0.07
Single-Family Home
$875,000
07/31/26
3
2
1,300
2710 Castle Rock Rd, Diamond Bar, CA
0.20
Single-Family Home
$1,030,000
02/27/26
4
2
1,756
2726 Castle Rock Rd, Diamond Bar, CA
0.18
Single-Family Home
$930,000
09/17/26
3
2
1,300
2968 Crooked Creek Dr, Diamond Bar, CA
0.25
Single-Family Home
$999,999
12/05/25
3
2
1,300
2632 Castle Rock Rd, Diamond Bar, CA
0.29
Single-Family Home
$880,000
02/26/26
3
2
1,280
21223 Fountain Springs Rd, Diamond Bar, CA
0.30
Single-Family Home
$900,000
11/06/25
3
2
1,300
2606 Castle Rock Rd, Diamond Bar, CA
0.34
Single-Family Home
$975,000
07/31/26
3
2
1,300
21128 Trigger Ln, Diamond Bar, CA
0.20
Single-Family Home
$1,200,000
02/23/26
4
2
2,268

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
21206 Silver Cloud Dr, Diamond Bar, CA 91765
0.02
$1,088,000
4
2
1,768
For Sale
21245 Cold Spring Ln, Diamond Bar, CA 91765
0.07
$875,000
3
2
1,300
Recently Sold
21237 Silver Cloud Dr, Diamond Bar, CA 91765
0.09
$1,073,600
4
2
1,556
Off Market
2819 Castle Rock Rd, Diamond Bar, CA 91765
0.10
$980,000
4
2
1,288
Recently Sold
21313 Lasso Dr, Diamond Bar, CA 91765
0.17
$1,237,600
5
3
1,998
Off Market
2726 Castle Rock Rd, Diamond Bar, CA 91765
0.18
$930,000
3
2
1,300
Recently Sold
21150 Silver Cloud Dr, Diamond Bar, CA 91765
0.15
$1,230,100
5
2
1,878
Off Market
2710 Castle Rock Rd, Diamond Bar, CA 91765
0.20
$1,030,000
4
2
1,756
Recently Sold
21152 Trigger Ln, Diamond Bar, CA 91765
0.16
$1,351,000
5
3
1,829
Off Market
21325 Hipass Dr, Diamond Bar, CA 91765
0.21
$1,199,900
4
4
1,810
For Sale
21339 Hipass Dr, Diamond Bar, CA 91765
0.22
$1,080,900
4
2
1,898
Off Market

Local Information

  • Map ViewExplore the area around 21211 Cold Spring Ln.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1964
1,288 sqft
$789/sqft
2 Car Garage

About this House

Nestled in a highly sought-after pocket of Diamond Bar within the top-rated Walnut Valley Unified School District, this thoughtfully renovated single-story home offers modern comforts with timeless appeal.

This 4 bed 2 bath ranch-style 1960’s home has been completely updated inside and out, blending charm and functionality across 1,288 square feet of living space on a spacious 7,830 square foot lot. Step inside to find wide plank LVP flooring throughout and an open floor plan. The living room has a redone wood burning fireplace that flows easily to the dining nook with built-in bench seating and extra storage. Enjoy al fresco dining off the back patio on warm California summer nights, with a beautifully landscaped backyard accented with citrus trees.

The heart of the home features a beautifully remodeled kitchen with white soft-close shaker cabinets, sleek quartz countertops, a farmhouse-style stainless sink, and bar seating that opens to the dining and living areas.

Both bathrooms have been stylishly renovated, and smart home touches such as a Nest system and security cameras offer enhanced comfort and security. Other notable upgrades include a newer composition roof, interior and exterior paint, newer ducting, furnace, water heater, ABS sewer line, and PEX plumbing runs throughout for peace of mind.

Located in a walkable neighborhood close to local restaurants and everyday conveniences, this move-in-ready home is the perfect blend of quality updates and California lifestyle living.
21211 Cold Spring Ln, Diamond Bar, CA 91765 is a 4 bedroom, 2 bathroom, 1,288 sqft single-family home built in 1964. It last sold for $1,040,700 on Jun 3, 2025 (1% below the $1,048,888 asking price). This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,016,500, with a rent estimate of $3,389/month.

Home Details for 21211 Cold Spring Ln

Interior Features

Interior Details
Number of Rooms: 9Types of Rooms: Master Bedroom, Bedroom, Bathroom, Attic, Kitchen, Living Room
Beds & Baths
Number of Bedrooms: 4Main Level Bedrooms: 4Number of Bathrooms: 2Number of Bathrooms (full): 2Number of Bathrooms (main level): 2
Dimensions and Layout
Living Area: 1288 Square Feet
Appliances & Utilities
Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected, Water ConnectedAppliances: Dishwasher, Exhaust Fan, Electric Range, Microwave, Self Cleaning Oven, Water Heater, Dryer, WasherDishwasherDryerLaundry: In GarageMicrowaveWasher
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Fireplace & Spa
Fireplace: Living Room, Wood BurningSpa: NoneHas a FireplaceNo Spa
Gas & Electric
Electric: Standard
Windows, Doors, Floors & Walls
Window: Custom Covering(s), Double Pane Windows, ENERGY STAR Qualified Windows, ScreensDoor: ENERGY STAR Qualified Doors, Sliding DoorsFlooring: VinylCommon Walls: No Common Walls
Levels, Entrance, & Accessibility
Stories: 1Number of Stories: 1Levels: OneEntry Location: frontAccessibility: Safe Emergency Egress from Home, No Stairs, Accessible EntranceFloors: Vinyl
View
No ViewView: None
Security
Security: Carbon Monoxide Detector(s), Smoke Detector(s)

Exterior Features

Exterior Home Features
Roof: CompositionPatio / Porch: Concrete, Open, PatioFencing: WoodExterior: Rain GuttersFoundation: SlabNo Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas an Attached GarageParking Spaces: 2Parking: Concrete,Direct Access,Driveway Up Slope From Street,Garage Faces Front,Garage,Off Street
Pool
Pool: None
Frontage
Road Frontage: City StreetRoad Surface Type: PavedNot on Waterfront
Water & Sewer
Sewer: Public Sewer
Surface & Elevation
Elevation Units: Feet

Days on Market

Cumulative Days on Market: 17

Property Information

Year Built
Year Built: 1964
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: HouseArchitecture: Ranch
Building
Construction Materials: Stucco, Wood SidingNot a New ConstructionNot Attached PropertyNo Additional Parcels
Property Information
Condition: Updated/Remodeled, TurnkeyNot Included in Sale: refrigerator (none present)Included in Sale: washer, dryer, microwave, dishwasher, rangeParcel Number: 8285018023

Price & Status

Price
List Price: $1,048,888
Status Change & Dates
Off Market Date: Mon May 19 2025Possession Timing: Close Of Escrow

Active Status

MLS Status: Closed

Location

Direction & Address
City: Diamond Bar
School Information
Elementary School: EvergreenJr High / Middle School: South PointeHigh School: Diamond BarHigh School District: Walnut Valley Unified

Agent Information

Buyer Agent
Buyer Company Name: The Hyde Group

Community

Community Features: Storm Drain(s), Street Lights, SidewalksNot Senior Community

HOA

Association for this Listing: California Regional MLS

Lot Information

Lot Area: 7830 sqft

Listing Info

Special Conditions: Standard

Offer

Listing Terms: Cash, Conventional, 1031 Exchange

Miscellaneous

Mls Number: OC25092519Living Area Range Units: Square FeetAttribution Contact: 949-520-0809Common Interest: NoneUniversal Property Id: US-06037-N-8285018023-R-N

Additional Information

Storm Drain(s)Street LightsSidewalks

Price and Tax history

DateEventPrice
Jun 3, 2025
Source: CRMLS #OC25092519
Sold
$1,040,700
May 28, 2025
Source: CRMLS #OC25092519
Pending
$1,048,888
May 19, 2025
Source: CRMLS #OC25092519
Contingent
$1,048,888
May 3, 2025
Source: CRMLS #OC25092519
Listed For Sale
$1,048,888
Oct 3, 2024
Source: N/A
Sold
$550,000

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

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-09-21 11:42:37 PDT 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. Properties may or may not be listed by the office/agent presenting the information

Frequently asked questions about 21211 Cold Spring Ln

  • What is 21211 Cold Spring Ln estimated to be worth?
    Trulia's estimated value for 21211 Cold Spring Ln in Diamond Bar, CA is $1,016,500.
  • What is the price history for 21211 Cold Spring Ln?
    21211 Cold Spring Ln in Diamond Bar, CA last sold for $1,040,700 in June 2025.
  • 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 21211 Cold Spring Ln have air conditioning?
    Yes, 21211 Cold Spring Ln in Diamond Bar, CA has air conditioning.
  • Does 21211 Cold Spring Ln have laundry facilities?
    Yes, 21211 Cold Spring Ln in Diamond Bar, CA has in-unit laundry.

Explore by feature - Pet Friendly

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