19778 Prospect Pl, Walnut, CA 91789
OFF MARKET

19778 Prospect Pl
Walnut, CA 91789

  • 5 Beds
  • 5 Baths
  • 3,982 sqft (on 0.25 acres)

$2,206,700

Trulia Estimate
as of Aug 8, 2026
Est. Refi. Payment $13,450/mo*
Refinance Your Home

$2,206,700

Trulia Estimate
as of Aug 8, 2026
Est. Refi. Payment $13,450/mo*
Refinance Your Home
5 Beds
5 Baths
3,982 sqft
(on 0.25 acres)

Local Information

  • Map ViewExplore the area around 19778 Prospect Pl.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
2009
Lot Size
0.25 acres
Living Area
3,982 sqft
Price/Sqft
$554

About this House

This single-family home is located at 19778 Prospect Pl, Walnut, CA. 19778 Prospect Pl is in Walnut, CA and in ZIP code 91789. This property has 5 bedrooms, 5 bathrooms and approximately 3,982 sqft of floor space. This property has a lot size of 0.25 acres and was built in 2009.
19778 Prospect Pl, Walnut, CA 91789 is a 5 bedroom, 5 bathroom, 3,982 sqft single-family home built in 2009. It last sold for $1,103,500 on Apr 13, 2010. It is currently off market. The Trulia Estimate is $2,206,700, with a rent estimate of $7,214/month.

Home Details for 19778 Prospect Pl

Interior Features

Heating & Cooling
Heating: OtherAir ConditioningCooling System: CentralHeating Fuel: Other

Property Information

Year Built
Year Built: 2009Year Updated: 2009
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 0.25 acres

Price History for 19778 Prospect Pl

DatePriceEventSource
04/13/2010$1,103,500Sold
N/A

Market trends in Walnut

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
75
16MoM
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Property Tax and Assessment

Year2025
Tax$21,128
Assessment$1,464,120
Home facts updated by county records

Comparable Sales for 19778 Prospect Pl

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
19878 Smoketree Pl, Walnut, CA
0.08
Single-Family Home
$2,620,000
11/18/25
5
4.5
3,972
19735 Arbor Ridge Dr, Walnut, CA
0.15
Single-Family Home
$2,200,000
04/02/26
5
4.5
3,563
19679 Highland Terrace Dr, Walnut, CA
0.19
Single-Family Home
$2,730,000
05/29/26
4
5
4,298
19803 Moon Shadow Cir, Walnut, CA
0.30
Single-Family Home
$1,768,000
03/06/26
5
3
2,877
19759 Alpine Crest Rd, Walnut, CA
0.32
Single-Family Home
$1,980,000
06/12/26
5
3
3,182
19599 Highland Terrace Dr, Walnut, CA
0.28
Single-Family Home
$2,600,000
10/10/25
6
6
4,818
19852 Moon Shadow Cir, Walnut, CA
0.38
Single-Family Home
$2,180,000
03/16/26
5
3
3,015
19933 Hidden Springs Rd, Walnut, CA
0.54
Single-Family Home
$1,790,000
04/09/26
5
3
2,867
1048 Highlight Dr, West Covina, CA
0.52
Single-Family Home
$1,490,000
10/22/25
4
4.5
4,209
19458 Raptor Ct, Walnut, CA
0.63
Single-Family Home
$2,450,000
04/23/26
4
4.5
4,404

Nearby homes

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Assigned Schools

These are the assigned schools for 19778 Prospect Pl.

What Locals Say about Walnut

At least 124 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 81 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 75 % Say it's quiet

  • 72 % Say streets are well-lit

  • 68 % Say people would walk alone at night

  • 63 % Say it's walkable to grocery stores

  • 63 % Say there's holiday spirit

  • 62 % Say there's wildlife

  • 62 % Say they plan to stay for at least 5 years

  • 47 % Say neighbors are friendly

  • 44 % Say it's walkable to restaurants

  • 44 % Say kids play outside

  • 29 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Nicholas R.
    "Very quiet neighborhood, not too much traffic, friendly neighbors. very nice and clean parks, that are close by. "
    4
    Flag
  • Angie.duran323
    "There’re lots of trails and long sidewalks in neighborhoods you can walk your dogs along. Sometimes all the dogs start barking at random times of day which is the only annoyance but other than that it’s great!"
    3
    Flag
  • T
    "City Walnut is known to have one the the best hiking trail in Southern California for adults, kids and pets"
    5
    Flag
  • Ronald G.
    "Public transportation is not very good. Especially for seniors living in the city. Stores are not really in walking distance and if you carry items, you will need to stop several times before getting home."
    1
    Flag
  • Ronald G.
    "The neighborhood is nice and people a generally nice. Easy to get around to stores and small shopping in the areas. If you want real shopping you have to leave the city."
    3
    Flag
  • sme2101
    "There are many families in our neighborhood, we have great parks, everyone is friendly and it’s a safe town"
    1
    Flag
  • Leslie a.
    "I lived here for about 6 years and I really enjoy the nature feel, the birds singing and the trails to walk on."
    2
    Flag
  • Fermin L.
    "I have lived here for the past 7 years and is a safe quiet neighborhood, great parks and city wide activities for children and adults, lots of trails to walk."
    1
    Flag
  • Needeposit
    "Living in the area for the last 20 years and in the same home for 12 years. Very safe area and one of the best school systems."
    1
    Flag
  • Ray
    "Great walking trails, very good schools and parks."
    1
    Flag

LGBTQ Local Legal Protections

Apartments for Rent

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Explore by feature - Pet Friendly

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Explore by feature - Outdoor Space

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Homes for sale near 19778 Prospect Pl

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Off Market Homes Near 19778 Prospect Pl

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Frequently asked questions about 19778 Prospect Pl

  • What is 19778 Prospect Pl estimated to be worth?
    Trulia's estimated value for 19778 Prospect Pl in Walnut, CA is $2,206,700.
  • What is the price history for 19778 Prospect Pl?
    19778 Prospect Pl in Walnut, CA last sold for $1,103,500 in April 2010.
  • Is Walnut a buyer's or seller's market?
    Walnut is currently a seller's market, based on recent for-sale activity.
  • What do residents say about Walnut?
    Residents describe Walnut, CA as pedestrian-friendly, easy to park in, and well-kept. See recently sold homes in Walnut, CA.
  • Does 19778 Prospect Pl have air conditioning?
    Yes, 19778 Prospect Pl in Walnut, CA has air conditioning.
  • How big is the lot at 19778 Prospect Pl?
    The lot at 19778 Prospect Pl in Walnut, CA is about 0.25 acres (10,904 sq ft).