Los Angeles County  »  20105 Prosa CT

20105 Prosa Court, Walnut, CA 91789 - Property report

Also known as: 20105 Prosa CT

Property image for 20105 Prosa Court, Walnut, CA 91789
static Mapbox map

Property type

Single Family Residence (0100)

Year built

1979

Acreage

0.156

Sale price

$1,155,000

General Information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
20105 Prosa Ct
Walnut, CA 91789
Zip code
91789
County
Los Angeles

Owner

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Building
Property type
Single Family Residence
Building sq. ft.
1,886
Buildings on lot
1
Year built
1979
Last altered
Bedrooms
4
Bathrooms
3
HVAC
Central refrigeration & heating
Sales
Sale date
08/06/2026
Sale price
$1,155,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$13,833
Tax per sq. ft.
$7
Zoning & use
Zoning
Residential Planned Development (RPD-5000-15U)
Units
1
Lot
Acreage
0.156

Area overview

Walk score
23 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
18 /100.  Somewhat Bikeable
School district
Rowland Unified School District
Weed hazard
No
Ownership

Ownership information for 20105 Prosa Court, Walnut, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 20105 Prosa Court, Walnut, CA 91789

Sale date Sale price Buyer name Seller name
08/06/2026 $1,155,000 XXXX, XXXXXXX; XXXX, XXXX XXX, XX
05/06/2025 $1,130,000 XXX XX XXX XXXXXX
04/22/2020 $750,000 XXX XXXXXX; XX XXX XXXXXX XXXXXXXX X XXXXXXX; XXX XXXXX X XXX XXXXXXXX X XXXXXX XXXXXX XXXXXXXXXXX XX XXXXX

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
08/06/2026 Deed of Trust
08/06/2026 Deed XXX, XX XXXX, XXXXXXX
05/06/2025 Trust Deed XXX XX XXXXXXXX XXXX
05/06/2025 Grant Deed
(Sale for consideration - full DTT)		 XXX XXXXXX XXX XX
05/06/2025 Interspousal Transfer Grant Deed XXX XX XXX XX
05/06/2025 Cancellation Notice XXXXXX XXX XXX XXXXXX
03/11/2025 Reconveyance XXXX XXXX XXXXXXXXXXX XXX XXX XXXXXX
08/02/2023 Interspousal Transfer Grant Deed
(File correction - Single parcel sale)		 XX XXX XXX XXXXXX
04/22/2020 Trust Deed XXX XXXXXX XXXXXXXX XXXX
04/22/2020 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXXXXX XXXXXXXX X XXXXXXX XXX XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20105 Prosa Court, Walnut, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Base tax
$13,833
Current property tax
$14,685
Tax per sq. ft.
$7
Recent tax assessments
Market value
$1,175,651
Land value
$822,956
Building value
$352,695

More about Los Angeles County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $836,632 1.1766 $9,844 +1.93%
2024-2025 $820,229 1.1774 $9,657 +3.73%
2023-2024 $804,147 1.1578 $9,310 +2.22%
2022-2023 $788,381 1.1553 $9,108 +1.51%
2021-2022 $772,924 1.1609 $8,973 +232.88%
2020-2021 $232,954 1.157137 $2,696 +3.88%
2019-2020 $223,910 1.158918 $2,595 +3.11%
2018-2019 $219,520 1.1465 $2,517 +2.07%
2017-2018 $215,217 1.1456 $2,466 +1.44%
2016-2017 $210,998 1.1519 $2,431 +1.76%

Special assessments & penalties for 20105 Prosa Court, Walnut, CA

Code Description Tax levied
00747 Consolidated Fire Protection District Of La County- Measure E
00311 County Library Services
06221 County Sanitation District #21
06181 Greater L.A. County Vector Control District
03694 La County Regional Park And Open Space District
00744 Los Angeles County Fire Department
03071 Los Angeles County Flood Control
02800 Los Angeles County Lighting District
04000 Los Angeles County Sewer Maintenance
00197 Los Angeles County Solid Waste Service Charge
00170 Los Angeles County Trauma/Emerg Srvs
33011 Mwd Water Standby Charge #2
06859 Puente Hills Habitat Preservation Authority Cfd No. 2024-01
00177 Safe Clean Water Program Funding Measure W
36551 Three Valleys Mwd Standby Charge
37092 Walnut Valley Water Standby
Permits

Permit information for 20105 Prosa Court, Walnut, CA

Issued date Permit number Permit type Sub type Valuation Expire date Status
02/25/2014
03/27/2012
03/27/2012

*Most recent permits on record for this property.

More about Los Angeles County property records

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 20105 Prosa Court, Walnut, CA 91789 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
International Cross Academy NR Private 1-12 0 0.26
Wisdom Kids College NR Private K-8 0 0.32
Ybarra Academy For The Arts And Technology 7 Public K-8 596 0.46
Apex Montessori Academy NR Private PK-K 36 0.50
Apex Montessori Academy NR Private PK-K 36 0.50
Elite Open School NR Private 5-12 43 0.57
Walnut Valley Adult NR Public 0 0.74
Walnut Elementary School 8 Public K-5 671 0.85
Shelyn Elementary School 7 Public K-6 453 1.05
Hollingworth Elementary School 5 Public K-6 370 1.23
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
International Cross Academy NR Private 1-12 0 0.26
Wisdom Kids College NR Private K-8 0 0.32
Ybarra Academy For The Arts And Technology 7 Public K-8 596 0.46
Elite Open School NR Private 5-12 43 0.57
Walnut Valley Adult NR Public 0 0.74
South Pointe Middle School 8 Public 6-8 879 0.97
Telesis Academy Of Science & Math 4 Public K-8 635 1.41
Rowland Unified Community Day School NR Public 7-12 31 1.52
Institute Of Knowledge NR Private K-8 127 1.57
Rowland Adult And Community Education NR Public 0 1.60
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
International Cross Academy NR Private 1-12 0 0.26
Elite Open School NR Private 5-12 43 0.57
Walnut Valley Adult NR Public 0 0.74
Ron Hockwalt Academies (Continuation) School NR Public 9-12 41 1.08
John A. Rowland High School 8 Public 9-12 2,025 1.41
Rowland Unified Community Day School NR Public 7-12 31 1.52
Rowland Adult And Community Education NR Public 0 1.60
Institute of Knowledge NR Private K-10 265 1.61
Ivy League School NR Private K-11 64 1.68
Elite Open School NR Private 5-12 70 1.68

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 20105 Prosa Court, Walnut, CA

20135 Prosa CT, Walnut 20052 Iluso Ave, Walnut 20120 Prosa CT, Walnut 1060 Tierra Luna, Walnut 20042 Iluso Ave, Walnut 20036 Iluso Ave, Walnut 20078 Iluso Ave, Walnut 20056 Iluso Ave, Walnut 1055 Tierra Luna, Walnut 1088 Tierra Luna, Walnut 20115 Prosa CT, Walnut 20082 Iluso Ave, Walnut 20130 Prosa CT, Walnut 1067 Tierra Luna, Walnut 1077 Tierra Luna, Walnut 1070 Tierra Luna, Walnut 20110 Prosa CT, Walnut 20048 Iluso Ave, Walnut 20125 Prosa CT, Walnut 1050 Tierra Luna, Walnut

Nearby ZIP codes for 20105 Prosa Court, Walnut, CA

90631, Los Angeles County, CA 90631, Orange County, CA 91722, Los Angeles County, CA 91723, Los Angeles County, CA 91724, Los Angeles County, CA 91744, Los Angeles County, CA 91745, Los Angeles County, CA 91748, Los Angeles County, CA 91768, Los Angeles County, CA 91773, Los Angeles County, CA 92821, Orange County, CA 92823, Orange County, CA 92835, Orange County, CA

Frequently asked questions

What is the year built for 20105 Prosa Court, Walnut, CA 91789?

The development at 20105 Prosa Court, Walnut, CA 91789 was built in 1979.

What is the total square footage of 20105 Prosa Court, Walnut, CA 91789?

20105 Prosa Court, Walnut, CA 91789 has a total of 1,886 square feet.

When was 20105 Prosa Court, Walnut, CA 91789 last sold and what was the sale price?

20105 Prosa Court, Walnut, CA 91789 was last sold on 05/06/2025 for $1,130,000.

What is the assessed value of 20105 Prosa Court, Walnut, CA 91789?

20105 Prosa Court, Walnut, CA 91789 is currently assessed at $836,632.

What are the property taxes for 20105 Prosa Court, Walnut, CA 91789?

The property taxes for 20105 Prosa Court, Walnut, CA 91789 total $9,843.

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