Los Angeles County » 556 N Diamond Bar Blvd

556 North Diamond Bar Boulevard, Diamond Bar, CA 91765 - Property report

Also known as: 556 N Diamond Bar Blvd

Property image for 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765

Property type

Office Building - One Story (1700)

Year built

1987

Acreage

2.777

Sale price

$3,100,031

General Information

Address

Primary address

556 N Diamond Bar Blvd
Diamond Bar, CA 91765

Zip code

91765

County

Los Angeles

Municipality

Diamond Bar

Building

Property type

Office Building - One Story

Building sq. ft.

47,680

Buildings on lot

Year built

1987

Last altered

1989

Sales

Sale date

03/02/2004

Sale price

$3,100,031

Arm's length

Tax

Tax year

2026-2027

Property tax

$74,074

Zoning & use

Zoning

Lot

Acreage

2.777

Area overview

Walk score

59 /100. Somewhat Walkable

Transit score

0 /100. Minimal Transit

Bike score

19 /100. Somewhat Bikeable

School district

Pomona Unified School District

Weed hazard

View more such as transportation, nearby schools and risk designations. For more property insights, including its Energy Star score, Existing Buildings Energy and Water Efficiency Program (EBEWE) status, plus additional energy and water usage data, .

Ownership

Ownership information for 556 North Diamond Bar Boulevard, Diamond Bar, CA

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765

Sale date	Sale price	Buyer name	Seller name
03/02/2004	$3,100,031	XXXXXX XXXXXXXX XX XXX	XXXXXXXX XX XX XXX
09/09/1999	$4,582,000	XXX XXX XXXX XX XXXXX XXXXX	XXXX, XXXX X & XXXXX X

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date	Type	Party 1	Party 2
01/21/2025	Reconveyance Substitution Trustee	XXXXXXXXXXXX XXXXXXX XXX XXXX XXXXXXXXX XXXXXXX XXX XXXXXXXXXXXX XXXX XXXXXXXXX XXXXXXX XXXXX	XXXXXXXXXXXX XXXXXXX XXX XXXX XXXXXXXXX XXXXXXX XXX XXXXXXXXXXXX XXXX XXXXXXXXX XXXXXXX XXXXX
01/08/2025	Agreement Subordination	XX XXXXXXXXXX XXX	XXXXXX XXXXXXXX XX XXX
01/08/2025	Assignment of Lease Assignment of Rents	XXXXXX XXXXXXXX XX XXX	XXXXXX X XXXXXX XXXXX
01/08/2025	Assignment of Rents Financing Statement Trust Deed	XXXXXX XXXXXXXX XX XXX	XXXXX X XXXXXX XXXXX
01/22/2015	Modify Assignment of Lease Modify Assignment of Rents	XXXXXX XXXXXXXX XX XXX
01/22/2015	Modify Assignment of Lease Modify Assignment of Rents Modify Financing Statement Modify Trust Deed	XXXXXX XXXXXXXX XX XXX
03/02/2004	Deed (Sale for consideration - full DTT - Single parcel sale)	XXXXXXXX XX XX XXX	XXXXXX XXXXXXXX XX XXX
06/03/2002	Deed (Reappraisal transfer - no DTT - Single parcel sale)		XXXXXXXX XX XX XXX
09/09/1999	Deed	XXXX, XXXX X & XXXXX X	XXX XXX XXXX XX XXXXX XXXXX
10/24/1995	Deed	X & X XXXX,	X & X XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 556 North Diamond Bar Boulevard, Diamond Bar, 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

$74,074

Current property tax

$87,535

Recent tax assessments

Market value

$5,916,933

Land value

$2,218,846

Building value

$3,698,087

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	$5,800,916	1.2519	$72,622	+7.58%
2024-2025	$5,687,174	1.187	$67,507	+2.08%
2023-2024	$5,575,662	1.1861	$66,133	+1.50%
2022-2023	$5,466,336	1.192	$65,159	+2.16%
2021-2022	$5,359,154	1.1901	$63,779	+0.29%
2020-2021	$5,304,204	1.198895	$63,592	-0.85%
2019-2020	$5,098,237	1.25802	$64,137	+7.18%
2018-2019	$4,998,272	1.1973	$59,843	+1.76%
2017-2018	$4,900,268	1.2001	$58,810	+4.52%
2016-2017	$4,804,185	1.1712	$56,266	+0.88%

Special assessments & penalties for 556 North Diamond Bar Boulevard, Diamond Bar, CA

Code	Description	Tax levied
00747	Consolidated Fire Protection District Of La County- Measure E
06221	County Sanitation District #21
14651	Diamond Bar District #38
02824	Diamond Bar Lighting District
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
04000	Los Angeles County Sewer Maintenance
00170	Los Angeles County Trauma/Emerg Srvs
33011	Mwd Water Standby Charge #2
36551	Three Valleys Mwd Standby Charge
37092	Walnut Valley Water Standby

Permits

Permit information for 556 North Diamond Bar Boulevard, Diamond Bar, CA

No recently recorded permits for this property.

More about Los Angeles County property records

Listings

Commercial listings at 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765

Photo	Listing Type	Property Type	Price	Sq. ft.	Listing Date	Last Updated
	For Sale	General Office	$10,750,000	47,680	06/25/2026	06/25/2026	View listing
	For Lease	General Office	$2.35-$27/Sq. ft./Year	46,000	10/12/2021	09/03/2026	View listing

Neighborhood

Diamond Bar residential market stats

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

Median sale price

$1,012,500

10.3% Y-o-Y

Median price/sq. ft.

$566

0.4% Y-o-Y

Los Angeles county median sale price

$870,000

-0.6% Y-o-Y

Check out recently sold homes in Diamond Bar and see how their prices compare.

Demographics by ZIP code

Total population

44,502

Median age

Average household income

$139,295

Family households

78.8%

People per household (average)

2.91

Occupied housing units

15,233

Owner-occupied units

77.5%

Median year structure built

1980

Median value mortgaged units

$925,900

Median value unmortgaged units

$898,800

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

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 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Neighbors for 556 North Diamond Bar Boulevard, Diamond Bar, CA

Nearby ZIP codes for 556 North Diamond Bar Boulevard, Diamond Bar, CA

91722, Los Angeles County, CA 91723, Los Angeles County, CA 91724, Los Angeles County, CA 91744, 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 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765?

The development at 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765 was built in 1987.

What is the market value of 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765?

The current market value of 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765 is $5,916,933.

What is the total square footage of 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765?

556 North Diamond Bar Boulevard, Diamond Bar, CA 91765 has a total of 47,680 square feet.

What is the price per square foot for this property?

$65 per square foot is the price for 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765.

How many active listings does 556 North Diamond Bar Boulevard, Diamond Bar, CA 91765 have?

This address has 3 active listing(s).

Disclaimer

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.