20814 Boulder Ln, Walnut, CA 91789
SOLD
JUL 28, 2026
Listed by Cathy Cheng, CC Royal Realty, (626) 222-3050 . Bought with WeTrust Realty

$1,099,900

Trulia Estimate
  • 3 Beds
  • 3 Baths
  • 1,546 sqft

20814 Boulder Ln, Walnut, CA 91789

Est. Refi. Payment $6,982/mo*
Refinance Your Home
Currently Off Market - Sold Jul 28, 2026 for $1,100,000 (2% below list price)

Home Value

Trulia Estimate
$1.1M
Since last month
Decreased$600 (-0.1%)
Since last year
Increased$65K (+6.3%)
Since last sale
Decreased$700 (-0.1%)
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 +4% in the last 10 years
MonthEstimated value
2026
August 2026$1.1M
August 2026$1.1M
July 2026$1.1M
June 2026$1.13M
May 2026$1.1M
April 2026$1.11M
March 2026$1.13M
February 2026$1.15M
January 2026$1.02M
2025
2024

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
2707 S Rockridge Ln, Diamond Bar, CA
0.08
Single-Family Home
$1,116,000
12/09/25
3
2.5
1,755
20834 E Boulder Ln, Diamond Bar, CA
0.03
Single-Family Home
$1,308,000
11/25/25
3
2.5
1,755
20700 Aspenwood Ct, Diamond Bar, CA
0.17
Single-Family Home
$1,060,000
03/19/26
3
2.5
1,546
2702 S George Ln, Diamond Bar, CA
0.20
Single-Family Home
$1,098,000
07/22/26
3
2.5
2,174
20939 Quail Run Dr, Diamond Bar, CA
0.44
Single-Family Home
$1,330,000
03/27/26
5
3
2,186
21030 Riego Dr, Diamond Bar, CA
0.42
Single-Family Home
$1,388,000
04/17/26
5
3
2,157
21009 Quail Run Dr, Diamond Bar, CA
0.46
Single-Family Home
$1,350,000
05/27/26
5
3
2,186
20374 Portside Dr, Walnut, CA
0.43
Single-Family Home
$1,450,000
10/16/25
4
2.5
2,072

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
20834 E Boulder Ln, Diamond Bar, CA 91789
0.03
$1,308,000
3
2.5
1,755
Recently Sold
2806 Eaglecrest Pl, Diamond Bar, CA 91789
0.08
$977,200
3
2
1,306
Off Market
2652 S Quarry Ln #A, Walnut, CA 91789
0.06
$587,000
2
2
912
Recently Sold
2801 Woodview Ct, Diamond Bar, CA 91789
0.09
$1,045,700
3
2.5
1,676
Off Market
2707 S Rockridge Ln, Diamond Bar, CA 91789
0.08
$1,116,000
3
2.5
1,755
Recently Sold
2627 S Quarry Ln #C, Walnut, CA 91789
0.09
$627,800
2
2
999
Off Market
2634 S Quarry Ln #A, Diamond Bar, CA 91789
0.09
$545,000
2
2
912
For Sale
2609 S Quarry Ln #C, Walnut, CA 91789
0.09
$635,700
2
2
999
Off Market
2626 S Quarry Ln #B, Walnut, CA 91789
0.09
$698,100
3
2
1,217
Off Market
2614 S Quarry Ln #A, Walnut, CA 91789
0.09
$576,000
2
2
912
Recently Sold
2614 S Quarry Ln #D, Walnut, CA 91789
0.09
$599,900
2
2
912
Off Market

Local Information

  • Map ViewExplore the area around 20814 Boulder Ln.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1987
1,546 sqft
$712/sqft
2 Car Garage
HOA $10/mo

About this House

Nestled in one of Diamond Bar’s most desirable neighborhoods, this charming home is within walking distance to highly rated Diamond Bar High School and South Pointe Middle School. Step inside to a dramatic cathedral ceiling in the living room, creating a bright and spacious atmosphere. The remodeled kitchen features stylish cabinetry, elegant quartz countertops, and ample workspace for everyday living and entertaining. Beautiful wood flooring extends throughout the entire home, adding warmth and sophistication. Enjoy the large, flat backyard—perfect for outdoor gatherings, gardening, or future expansion possibilities. Located in a quiet and well-maintained neighborhood, this home offers both comfort and convenience. Just steps away from Ronald Reagan Park, residents can enjoy tennis courts, open green spaces, playgrounds, and walking paths, making this an ideal place to call home.
20814 Boulder Ln, Walnut, CA 91789 is a 3 bedroom, 3 bathroom, 1,546 sqft single-family home built in 1987. It last sold for $1,100,000 on Jul 28, 2026 (2% below the $1,128,000 asking price). This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,099,900, with a rent estimate of $3,775/month.

Home Details for 20814 Boulder Ln

Interior Features

Interior Details
Number of Rooms: 1Types of Rooms: Bedroom
Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 3Number of Bathrooms (full): 3Number of Bathrooms (main level): 1
Dimensions and Layout
Living Area: 1546 Square Feet
Appliances & Utilities
Laundry: In Garage
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Fireplace & Spa
Fireplace: Family RoomHas a Fireplace
Windows, Doors, Floors & Walls
Common Walls: No Common Walls
Levels, Entrance, & Accessibility
Stories: 2Number of Stories: 2Levels: TwoEntry Location: 1
View
No ViewView: None

Exterior Features

Exterior Home Features
No Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas an Attached GarageParking Spaces: 2Parking: Garage Attached
Pool
Pool: None
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Surface & Elevation
Elevation Units: Feet

Days on Market

Cumulative Days on Market: 15

Property Information

Year Built
Year Built: 1987
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: HouseArchitecture: House
Building
Not a New ConstructionNot Attached PropertyNo Additional Parcels
Property Information
Parcel Number: 8765019053

Price & Status

Price
List Price: $1,128,000Price Per Sqft: $712/sqft
Status Change & Dates
Off Market Date: Tue Jul 28 2026

Active Status

MLS Status: Closed

Location

Direction & Address
City: Walnut
School Information
High School: Diamond BarHigh School District: Walnut Valley Unified

Community

Community Features: CurbsNot Senior Community

HOA

HOA Name: Woodglen Community Homeowners AssociationHOA Phone: 714-634-0611Association for this Listing: California Regional MLSHas an HOAHOA Fee: $10/Monthly

Lot Information

Lot Area: 5096 sqft

Listing Info

Special Conditions: Standard

Offer

Listing Terms: Contract

Miscellaneous

Mls Number: TR26134344Living Area Range Units: Square FeetAttribution Contact: 626-222-3050Common Interest: NoneUniversal Property Id: US-06037-N-8765019053-R-N

Additional Information

HOA Amenities: Tennis Court(s)Source Internet Entire Listing Display

Price and Tax history

DateEventPrice
Jul 28, 2026
Source: CRMLS #TR26134344
Sold
$1,100,000
Jul 4, 2026
Source: CRMLS #TR26134344
Contingent
$1,128,000
Jun 19, 2026
Source: CRMLS #TR26134344
Listed For Sale
$1,128,000
Oct 2, 2024
Source: CRMLS #AR24143715
Sold
$1,060,000
Sep 6, 2024
Source: CRMLS #AR24143715
Pending
$1,020,000

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 2026-09-13 00:35:57 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 20814 Boulder Ln

  • What is 20814 Boulder Ln estimated to be worth?
    Trulia's estimated value for 20814 Boulder Ln in Walnut, CA is $1,099,900.
  • What is the price history for 20814 Boulder Ln?
    20814 Boulder Ln in Walnut, CA last sold for $1,100,000 in July 2026.
  • Is Walnut a buyer's or seller's market?
    Walnut is currently a balanced market, based on recent for-sale activity.
  • What's the median sale price in Walnut?
    The median sale price in Walnut is $1.08M. That is down $21.33K from the prior month.
  • Does 20814 Boulder Ln have air conditioning?
    Yes, 20814 Boulder Ln in Walnut, CA has air conditioning.
  • Does 20814 Boulder Ln have laundry facilities?
    Yes, 20814 Boulder Ln in Walnut, CA has laundry facilities.

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Off Market Homes Near 20814 Boulder Ln

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