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)

$2,187,200

Trulia Estimate
as of May 20, 2026
Est. Refi. Payment $13,447/mo*
Refinance Your Home

$2,187,200

Trulia Estimate
as of May 20, 2026
Est. Refi. Payment $13,447/mo*
Refinance Your Home
5 Beds
5 Baths
3,982 sqft
(on 0.25 acres)

Local Information

Map showing home location
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Description

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.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
No Info
Outdoor
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
No Info

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
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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
19759 Highland Terrace Dr, Walnut, CA
0.15
Single-Family Home
$2,400,000
06/19/25
5
4.5
4,718
19735 Arbor Ridge Dr, Walnut, CA
0.15
Single-Family Home
$2,200,000
04/02/26
5
4.5
3,563
19803 Moon Shadow Cir, Walnut, CA
0.30
Single-Family Home
$1,768,000
03/06/26
5
3
2,877
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
1133 Promontory Pl, West Covina, CA
0.49
Single-Family Home
$1,933,000
05/19/26
5
4.5
3,605

Assigned Schools

These are the assigned schools for 19778 Prospect Pl.

What Locals Say about Walnut

At least 123 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 80 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 74 % Say it's quiet

  • 71 % 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

  • 43 % Say it's walkable to restaurants

  • 43 % 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

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19778 Prospect Pl, Walnut, CA 91789 is a 5 bedroom, 5 bathroom, 3,982 sqft single-family home built in 2009. This property is not currently available for sale. 19778 Prospect Pl was last sold on Apr 13, 2010 for $1,103,500. The current Trulia Estimate for 19778 Prospect Pl is $2,187,200.