Los Angeles County  »  91423  »  Costello Ave  »  4256 Costello Ave

4256 Costello Avenue, Sherman Oaks, CA 91423 - Property report

Also known as: 4256 1/2 N Costello Ave

Property image for 4256 Costello Avenue, Sherman Oaks, CA 91423
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Property type

Double, Duplex or Two Units - 4 Stories or Less (0200)

Year built

1939

Acreage

0.147

Sale price

$1,315,000

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
4256 Costello Ave
Sherman Oaks, CA 91423
Alternate address(es)
4256 1/2 N Costello Ave
4256 N Costello Ave
4258 N Costello Ave
Zip code
91423
Neighborhood
Sherman Oaks
County
Los Angeles
Municipality
Los Angeles

Owner

Find out who owns 4256 Costello Avenue, Sherman Oaks, CA 91423. Uncover corporate and individual owners with a free account.

Building
Property type
Double, Duplex or Two Units - 4 Stories or Less
Building sq. ft.
1,656
Buildings on lot
1
Stories
4 or less
Year built
1939
Last altered
Bedrooms
3
Bathrooms
3
Sales
Sale date
08/31/2023
Sale price
$1,315,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$16,245
Tax per sq. ft.
$10
Zoning & use
Zoning
Restricted Density Multiple Dwelling (RD3)
Units
2
Lot
Acreage
0.147

Area overview

Walk score
86 /100.  Very Walkable
Transit score
49 /100.  Some Transit
Bike score
54 /100.  Bikeable
School district
Los Angeles Unified School District
Weed hazard
No
Ownership

Ownership information for 4256 Costello Avenue, Sherman Oaks, CA

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

Sales history for 4256 Costello Avenue, Sherman Oaks, CA 91423

Sale date Sale price Buyer name Seller name
08/31/2023 $1,315,000 XXXXXX XXXXXX XXXXXX; XXXXXX XXXXXXXXX XXXXXX XXXXX XXXXXXX XXXXX
05/03/2023 $1,043,005 XXXXXXX XXXXX XXXXXXX XXXXXX XXX; XXXXXX XXXXXXX XXXXXXXX XXX XXXXXXX; XXXXXXX XXXXXX XXX XXXXXXX
08/09/2021 $1,350,000 XXXXXXX XXXXXX XXX XXXXXXXX XXXXX 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
03/24/2026 Assignment of Rents
Trust Deed		 XXXXXX XXXXXX XXXXXX XXXX XXX XXXXXXXX XXXXXXXXXXX
08/31/2023 Trust Deed XXXXXX XXXXXX XXXXXX XXXX XXX XXXXXXXX XXXXXXXXXXX
08/31/2023 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXXXXXX XXXXX XXXXXX XXXXXX XXXXXX
08/31/2023 Quitclaim Deed XXXXXXX XXXXXXX XXXXXXX XXXXX
05/03/2023 Trustees Deed XXXXXXX XXXXXX XXX XXXXXXX XXXXX
02/17/2023 Notice of Trustees Sale XXXXXXX XXXXXX XXX
11/15/2022 Notice Default XXXXXXX XXXXXX XXX
08/09/2021 Assignment of Rents
Financing Statement
Trust Deed		 XXXXXXX XXXXXX XXX XXXXXXX XXXXX
08/09/2021 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXXXXXXX XXXXX XXXXX XXXXXXX XXXXXX XXX
04/22/2014 Trust Deed XXXXXXXX XXXXX XXXXX XXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4256 Costello Avenue, Sherman Oaks, CA

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

Current property tax
Tax year
2025-2026
Base tax
$16,245
Current property tax
$16,525
Tax per sq. ft.
$10
Recent tax assessments
Market value
$1,368,126
Land value
$936,360
Building value
$431,766

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 $1,368,126 1.1874 $16,245 +0.95%
2024-2025 $1,341,300 1.1997 $16,092 -4.48%
2023-2024 $1,404,540 1.1994 $16,846 +4.97%
2022-2023 $1,377,000 1.1655 $16,049 +47.32%
2021-2022 $927,005 1.1752 $10,894 -1.06%
2020-2021 $917,500 1.200129 $11,011 +6.33%
2019-2020 $881,875 1.174279 $10,356 +0.14%
2018-2019 $864,584 1.196 $10,341 +2.26%
2017-2018 $847,633 1.193 $10,112 +2.10%
2016-2017 $831,014 1.1918 $9,904 +1.51%

Special assessments & penalties for 4256 Costello Avenue, Sherman Oaks, CA

Code Description Tax levied
06181 Greater L.A. County Vector Control District
03694 La County Regional Park And Open Space District
18851 Los Angeles City Light Maintenance
03071 Los Angeles County Flood Control
00170 Los Angeles County Trauma/Emerg Srvs
18850 Los Angeles Landscape & Lighting Dist #96-1
18869 Los Angeles-Stormwater Pollution Abatement
00177 Safe, Clean Water Program Funding Measure W
Permits

Permit information for 4256 Costello Avenue, Sherman Oaks, CA

Issued date Permit number Permit type Sub type Valuation Expire date Status
06/20/2017
06/20/2017
10/07/2009
06/20/2003

*Most recent permits on record for this property.

More about Los Angeles County property records

Neighborhood

Los Angeles residential market stats

Access a detailed real estate market overview of Los Angeles so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Los Angeles and compare it to other neighborhoods in Los Angeles.

Median sale price

$995,000

-3.7% Y-o-Y

Median price/sq. ft.

$650

-3.8% Y-o-Y

Los Angeles county median sale price

$870,000

-0.6% Y-o-Y

Check out recently sold homes in Los Angeles and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Earthquake-induced liquefaction area
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Seismic gas shut-off valve installed
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 4256 Costello Avenue, Sherman Oaks, CA 91423 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)
St. Francis De Sales NR Private PK-8 327 0.18
St. Francis De Sales NR Private PK-8 327 0.18
Buckley School, The NR Private K-12 828 0.18
C. And E. Merdinian Armenian Evangelical School NR Private PK-8 231 0.18
C. And E. Merdinian Armenian Evangelical School NR Private PK-8 231 0.18
Dixie Canyon Community Charter School 8 Charter K-5 610 0.72
Sherman Oaks Elementary Charter School 8 Charter K-5 495 1.07
Chandler Elementary 9 Public K-5 390 1.24
Riverside Drive Charter Elementary School 7 Charter K-5 379 1.30
Kester Avenue Elementary School 9 Public K-5 836 1.82
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St. Francis De Sales NR Private PK-8 327 0.18
Buckley School, The NR Private K-12 828 0.18
C. And E. Merdinian Armenian Evangelical School NR Private PK-8 231 0.18
Louis D. Armstrong Middle School 7 Charter 6-8 1,329 1.12
High Tech LA Middle 5 Charter 6-8 235 1.15
Emek Hebrew Academyteichman Family Torah Center NR Private PK-8 788 1.23
Van Nuys Middle School 4 Public 6-8 869 1.67
Bridgeport School NR Private K-12 252 1.90
Ivy Bound Academy Of Math, Science, And Technology Charter Middle 2 Charter 5-8 139 2.02
Hesby Oaks 9 Charter K-8 501 2.27
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Notre Dame High School NR Private 9-12 1,229 0.18
Buckley School, The NR Private K-12 828 0.18
Harvard-Westlake School NR Private 10-12 868 1.51
Academy for Arts & Education NR Private 9-12 0 1.83
Bridgeport School NR Private K-12 252 1.90
Jack London Continuation School 2 Public 9-12 70 2.32
Jack London Community Day School 2 Public 7-12 32 2.32
Ulysses S. Grant Senior High School 7 Public 9-12 1,783 2.38

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

Neighbors for 4256 Costello Avenue, Sherman Oaks, CA

4250 Costello Ave, Sherman Oaks 4232 Costello Ave, Sherman Oaks 4226 Costello Ave, Sherman Oaks 13954 Ventura Blvd, Sherman Oaks 4213 Costello Ave, Sherman Oaks 13946 Ventura Blvd, Sherman Oaks 13950 Ventura Blvd, Sherman Oaks 4277 Colbath Ave, Sherman Oaks 4206 Costello Ave, Sherman Oaks 4209 Costello Ave, Sherman Oaks 4242 Costello Ave, Sherman Oaks 4238 Costello Ave, Sherman Oaks 4246 Costello Ave, Sherman Oaks 4222 Costello Ave, Sherman Oaks 4218 Costello Ave, Sherman Oaks 13938 Ventura Blvd, Sherman Oaks 13940 Ventura Blvd, Sherman Oaks 14011 Davana Ter, Sherman Oaks 4219 Costello Ave, Sherman Oaks 4212 Costello Ave, Sherman Oaks

Nearby ZIP codes for 4256 Costello Avenue, Sherman Oaks, CA

90024, Los Angeles County, CA 90049, Los Angeles County, CA 90095, Los Angeles County, CA 91405, Los Angeles County, CA 91406, Los Angeles County, CA 91411, Los Angeles County, CA 91436, Los Angeles County, CA 91601, Los Angeles County, CA 91602, Los Angeles County, CA 91605, Los Angeles County, CA 91607, Los Angeles County, CA 91608, Los Angeles County, CA

Frequently asked questions

What is the year built for 4256 Costello Avenue, Sherman Oaks, CA 91423?

The development at 4256 Costello Avenue, Sherman Oaks, CA 91423 was built in 1939.

What is the total square footage of 4256 Costello Avenue, Sherman Oaks, CA 91423?

4256 Costello Avenue, Sherman Oaks, CA 91423 has a total of 1,656 square feet.

When was 4256 Costello Avenue, Sherman Oaks, CA 91423 last sold and what was the sale price?

4256 Costello Avenue, Sherman Oaks, CA 91423 was last sold on 08/31/2023 for $1,315,000.

What is the assessed value of 4256 Costello Avenue, Sherman Oaks, CA 91423?

4256 Costello Avenue, Sherman Oaks, CA 91423 is currently assessed at $1,368,126.

What are the property taxes for 4256 Costello Avenue, Sherman Oaks, CA 91423?

The property taxes for 4256 Costello Avenue, Sherman Oaks, CA 91423 total $16,245.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

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