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Park Highlights

  • Move-in ready industrial/flex units with high-quality office improvements
  • Units range from 300 SF - 4,800 SF
  • Major cosmetic improvements planned
  • Rear loading with ground level doors

Park Facts

Total Space Available 14,020 SF
Park Type Industrial Park
Features Freeway Visibility

Features and Amenities

  • Freeway Visibility

All Available Spaces(8)

Display Rental Rate as

Harbor Business Center
3621 W MacArthur Blvd
3,080 SF | $22.20 /SF/YR $1.85 /SF/MO $238.96 /m²/YR $19.91 /m²/MO $5,698 /MO $68,376 /YR | View Building Details
Building Type
Industrial
Building Subtype
Warehouse
Building Size
21,540 SF
Lot Size
1.33 AC
Year Built
1978
Construction
Masonry
Clear Height
10’
Drive In Bays
11
Power Supply
Amps: 100 Volts: 120-208 Phase: 3
Zoning
M1 - Light Industrial Zoning
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor - 105
  • 3,080 SF
  • Negotiable
  • $22.20 /SF/YR $1.85 /SF/MO $68,376 /YR $5,698 /MO
  • Industrial
  • -
  • Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • Includes 483 SF of dedicated office space
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor - 105 3,080 SF Negotiable $22.20 /SF/YR $1.85 /SF/MO $68,376 /YR $5,698 /MO Industrial - Now
Harbor Business Center
3621 W MacArthur Blvd
3,080 SF | $22.20 /SF/YR $1.85 /SF/MO $238.96 /m²/YR $19.91 /m²/MO $5,698 /MO $68,376 /YR | View Building Details
Building Type
Industrial
Building Subtype
Warehouse
Building Size
21,540 SF
Lot Size
1.33 AC
Year Built
1978
Construction
Masonry
Clear Height
10’
Drive In Bays
11
Power Supply
Amps: 100 Volts: 120-208 Phase: 3
Zoning
M1 - Light Industrial Zoning

3621 W MacArthur Blvd - 1st Floor - 105

Size
3,080 SF
Term
Negotiable
Rental Rate
$22.20 /SF/YR $1.85 /SF/MO $68,376 /YR $5,698 /MO
Space Use
Industrial
Build-Out
-
Available
Now
Harbor Business Center
3629 W MacArthur Blvd
1,600 SF | $25.20 /SF/YR $2.10 /SF/MO $271.25 /m²/YR $22.60 /m²/MO $3,360 /MO $40,320 /YR | View Building Details
Building Type
Flex
Building Size
16,840 SF
Lot Size
1.04 AC
Year Built
1974
Construction
Reinforced Concrete
Clear Height
16’
Drive In Bays
8
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Industrial Zoning
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor - 202
  • 1,600 SF
  • Negotiable
  • $25.20 /SF/YR $2.10 /SF/MO $40,320 /YR $3,360 /MO
  • Industrial
  • -
  • Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor - 202 1,600 SF Negotiable $25.20 /SF/YR $2.10 /SF/MO $40,320 /YR $3,360 /MO Industrial - Now
Harbor Business Center
3629 W MacArthur Blvd
1,600 SF | $25.20 /SF/YR $2.10 /SF/MO $271.25 /m²/YR $22.60 /m²/MO $3,360 /MO $40,320 /YR | View Building Details
Building Type
Flex
Building Size
16,840 SF
Lot Size
1.04 AC
Year Built
1974
Construction
Reinforced Concrete
Clear Height
16’
Drive In Bays
8
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Industrial Zoning

3629 W MacArthur Blvd - 1st Floor - 202

Size
1,600 SF
Term
Negotiable
Rental Rate
$25.20 /SF/YR $2.10 /SF/MO $40,320 /YR $3,360 /MO
Space Use
Industrial
Build-Out
-
Available
Now
Harbor Business Center
3625 W MacArthur Blvd
2,060 SF | $22.20 /SF/YR $1.85 /SF/MO $238.96 /m²/YR $19.91 /m²/MO $3,811 /MO $45,732 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
19,220 SF
Lot Size
1.25 AC
Year Built
1974
Construction
Masonry
Clear Height
14’
Drive In Bays
8
Power Supply
Amps: 200 Volts: 120-208 Phase: 3
Zoning
M-1 - Light Industrial Zoning
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor - 305
  • 2,060 SF
  • Negotiable
  • $22.20 /SF/YR $1.85 /SF/MO $45,732 /YR $3,811 /MO
  • Industrial
  • -
  • 30 Days

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor - 305 2,060 SF Negotiable $22.20 /SF/YR $1.85 /SF/MO $45,732 /YR $3,811 /MO Industrial - 30 Days
Harbor Business Center
3625 W MacArthur Blvd
2,060 SF | $22.20 /SF/YR $1.85 /SF/MO $238.96 /m²/YR $19.91 /m²/MO $3,811 /MO $45,732 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
19,220 SF
Lot Size
1.25 AC
Year Built
1974
Construction
Masonry
Clear Height
14’
Drive In Bays
8
Power Supply
Amps: 200 Volts: 120-208 Phase: 3
Zoning
M-1 - Light Industrial Zoning

3625 W MacArthur Blvd - 1st Floor - 305

Size
2,060 SF
Term
Negotiable
Rental Rate
$22.20 /SF/YR $1.85 /SF/MO $45,732 /YR $3,811 /MO
Space Use
Industrial
Build-Out
-
Available
30 Days
Harbor Business Center
3617 W MacArthur Blvd
1,940 - 4,000 SF | $22.20 - $25.20 /SF/YR $1.85 - $2.10 /SF/MO $238.96 - $271.25 /m²/YR $19.91 - $22.60 /m²/MO $3,811 - $7,885 /MO $45,732 - $94,620 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
17,820 SF
Lot Size
1.09 AC
Year Built
1974
Construction
Reinforced Concrete
Clear Height
10’
Drive In Bays
10
Power Supply
Amps: 100 Volts: 120-208 Phase: 3
Zoning
M1 - Light Industrial Zoning
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor - 504
  • 1,940 SF
  • Negotiable
  • $25.20 /SF/YR $2.10 /SF/MO $48,888 /YR $4,074 /MO
  • Industrial
  • -
  • Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • 1 Drive Bay
  • Includes 450 SF of dedicated office space
  • 1st Floor - 505
  • 2,060 SF
  • Negotiable
  • $22.20 /SF/YR $1.85 /SF/MO $45,732 /YR $3,811 /MO
  • Industrial
  • -
  • Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • 1 Drive Bay
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor - 504 1,940 SF Negotiable $25.20 /SF/YR $2.10 /SF/MO $48,888 /YR $4,074 /MO Industrial - Now
1st Floor - 505 2,060 SF Negotiable $22.20 /SF/YR $1.85 /SF/MO $45,732 /YR $3,811 /MO Industrial - Now
Harbor Business Center
3617 W MacArthur Blvd
1,940 - 4,000 SF | $22.20 - $25.20 /SF/YR $1.85 - $2.10 /SF/MO $238.96 - $271.25 /m²/YR $19.91 - $22.60 /m²/MO $3,811 - $7,885 /MO $45,732 - $94,620 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
17,820 SF
Lot Size
1.09 AC
Year Built
1974
Construction
Reinforced Concrete
Clear Height
10’
Drive In Bays
10
Power Supply
Amps: 100 Volts: 120-208 Phase: 3
Zoning
M1 - Light Industrial Zoning

3617 W MacArthur Blvd - 1st Floor - 504

Size
1,940 SF
Term
Negotiable
Rental Rate
$25.20 /SF/YR $2.10 /SF/MO $48,888 /YR $4,074 /MO
Space Use
Industrial
Build-Out
-
Available
Now

3617 W MacArthur Blvd - 1st Floor - 505

Size
2,060 SF
Term
Negotiable
Rental Rate
$22.20 /SF/YR $1.85 /SF/MO $45,732 /YR $3,811 /MO
Space Use
Industrial
Build-Out
-
Available
Now
Harbor Business Center
3601 W MacArthur Blvd
780 SF | $21.00 /SF/YR $1.75 /SF/MO $226.04 /m²/YR $18.84 /m²/MO $1,365 /MO $16,380 /YR | View Building Details
Building Type
Industrial
Building Subtype
Distribution
Building Size
8,980 SF
Lot Size
0.57 AC
Year Built
1990
Construction
Reinforced Concrete
Clear Height
16’
Drive In Bays
3
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Industrial Zoning
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste 901
  • 780 SF
  • Negotiable
  • $21.00 /SF/YR $1.75 /SF/MO $16,380 /YR $1,365 /MO
  • Office
  • -
  • 30 Days

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 7 People
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste 901 780 SF Negotiable $21.00 /SF/YR $1.75 /SF/MO $16,380 /YR $1,365 /MO Office - 30 Days
Harbor Business Center
3601 W MacArthur Blvd
780 SF | $21.00 /SF/YR $1.75 /SF/MO $226.04 /m²/YR $18.84 /m²/MO $1,365 /MO $16,380 /YR | View Building Details
Building Type
Industrial
Building Subtype
Distribution
Building Size
8,980 SF
Lot Size
0.57 AC
Year Built
1990
Construction
Reinforced Concrete
Clear Height
16’
Drive In Bays
3
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Industrial Zoning

3601 W MacArthur Blvd - 1st Floor - Ste 901

Size
780 SF
Term
Negotiable
Rental Rate
$21.00 /SF/YR $1.75 /SF/MO $16,380 /YR $1,365 /MO
Space Use
Office
Build-Out
-
Available
30 Days
Harbor Business Center
3500 W Moore Ave
1,200 SF | $25.20 /SF/YR $2.10 /SF/MO $271.25 /m²/YR $22.60 /m²/MO $2,520 /MO $30,240 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
19,896 SF
Lot Size
2.20 AC
Year Built
1974
Construction
Masonry
Clear Height
15’
Drive In Bays
13
Sprinkler System
Wet
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Industrial
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor - D
  • 1,200 SF
  • Negotiable
  • $25.20 /SF/YR $2.10 /SF/MO $30,240 /YR $2,520 /MO
  • Industrial
  • -
  • Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • 1 Drive Bay
  • Includes 200 SF of dedicated office space
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor - D 1,200 SF Negotiable $25.20 /SF/YR $2.10 /SF/MO $30,240 /YR $2,520 /MO Industrial - Now
Harbor Business Center
3500 W Moore Ave
1,200 SF | $25.20 /SF/YR $2.10 /SF/MO $271.25 /m²/YR $22.60 /m²/MO $2,520 /MO $30,240 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
19,896 SF
Lot Size
2.20 AC
Year Built
1974
Construction
Masonry
Clear Height
15’
Drive In Bays
13
Sprinkler System
Wet
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Industrial

3500 W Moore Ave - 1st Floor - D

Size
1,200 SF
Term
Negotiable
Rental Rate
$25.20 /SF/YR $2.10 /SF/MO $30,240 /YR $2,520 /MO
Space Use
Industrial
Build-Out
-
Available
Now
Harbor Business Center
3501 W Moore Ave
1,300 SF | $25.20 /SF/YR $2.10 /SF/MO $271.25 /m²/YR $22.60 /m²/MO $2,730 /MO $32,760 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
18,116 SF
Lot Size
2.20 AC
Year Built
1974
Clear Height
10’
Drive In Bays
14
Sprinkler System
ESFR
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Manufacturing
  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor - I
  • 1,300 SF
  • Negotiable
  • $25.20 /SF/YR $2.10 /SF/MO $32,760 /YR $2,730 /MO
  • Industrial
  • -
  • 30 Days

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor - I 1,300 SF Negotiable $25.20 /SF/YR $2.10 /SF/MO $32,760 /YR $2,730 /MO Industrial - 30 Days
Harbor Business Center
3501 W Moore Ave
1,300 SF | $25.20 /SF/YR $2.10 /SF/MO $271.25 /m²/YR $22.60 /m²/MO $2,730 /MO $32,760 /YR | View Building Details
Building Type
Industrial
Building Subtype
Manufacturing
Building Size
18,116 SF
Lot Size
2.20 AC
Year Built
1974
Clear Height
10’
Drive In Bays
14
Sprinkler System
ESFR
Power Supply
Amps: 100 Volts: 120-208 Phase: 3 Wire: 3
Zoning
M1 - Light Manufacturing

3501 W Moore Ave - 1st Floor - I

Size
1,300 SF
Term
Negotiable
Rental Rate
$25.20 /SF/YR $2.10 /SF/MO $32,760 /YR $2,730 /MO
Space Use
Industrial
Build-Out
-
Available
30 Days

3621 W MacArthur Blvd - 1st Floor - 105

Size 3,080 SF
Term Negotiable
Rental Rate $22.20 /SF/YR
Space Use Industrial
Build-Out -
Available Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • Includes 483 SF of dedicated office space

3629 W MacArthur Blvd - 1st Floor - 202

Size 1,600 SF
Term Negotiable
Rental Rate $25.20 /SF/YR
Space Use Industrial
Build-Out -
Available Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses

3625 W MacArthur Blvd - 1st Floor - 305

Size 2,060 SF
Term Negotiable
Rental Rate $22.20 /SF/YR
Space Use Industrial
Build-Out -
Available 30 Days

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses

3617 W MacArthur Blvd - 1st Floor - 504

Size 1,940 SF
Term Negotiable
Rental Rate $25.20 /SF/YR
Space Use Industrial
Build-Out -
Available Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • Includes 450 SF of dedicated office space
  • 1 Drive Bay

3617 W MacArthur Blvd - 1st Floor - 505

Size 2,060 SF
Term Negotiable
Rental Rate $22.20 /SF/YR
Space Use Industrial
Build-Out -
Available Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • 1 Drive Bay

3601 W MacArthur Blvd - 1st Floor - Ste 901

Size 780 SF
Term Negotiable
Rental Rate $21.00 /SF/YR
Space Use Office
Build-Out -
Available 30 Days

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Rate includes utilities, building services and property expenses
  • Fits 2 - 7 People

3500 W Moore Ave - 1st Floor - D

Size 1,200 SF
Term Negotiable
Rental Rate $25.20 /SF/YR
Space Use Industrial
Build-Out -
Available Now

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses
  • Includes 200 SF of dedicated office space
  • 1 Drive Bay

3501 W Moore Ave - 1st Floor - I

Size 1,300 SF
Term Negotiable
Rental Rate $25.20 /SF/YR
Space Use Industrial
Build-Out -
Available 30 Days

Industrial suites range from approximately 1,200 SF to 3,080 SF; office availabilities range from 780 SF to 1,113 SF. Some suites feature dedicated office areas and warehouse components, with grade-level doors for loading.

  • Listed rate may not include certain utilities, building services and property expenses

Select Tenants at This Property

  • Floor
  • Tenant Name
  • Industry
  • 1st
  • Moongoat Coffee Roasters
  • Manufacturing
  • 1st
  • The Food Runners
  • -
  • 1st
  • XPRT Construction
  • -

Park Overview

Harbor Business Center is a multi-building industrial and office park strategically located in the thriving commercial hub of Santa Ana, California. This ±193,549 SF business park spans 11 buildings, offering a mix of industrial/flex and office suites designed to accommodate a wide range of business operations. Positioned at the intersection of Harbor Boulevard and MacArthur Boulevard, the property benefits from exceptional visibility and unrivaled access to major Southern California transportation arteries, including Interstates 405, 55, and 73. Tenants enjoy proximity to leading restaurants, retail centers, and service amenities such as Costco, IKEA, Home Depot, and the SoCo Center, creating a highly convenient and connected workplace environment. The park features units ranging from 300 SF to 4,800 SF, supported by generous surface parking and user-friendly layouts. Individual suites boast modernized office build-outs, functional warehouse space, rear loading with ground-level doors, and clear heights up to 18 feet. Planned cosmetic enhancements promise an upgraded overall aesthetic and improved curb appeal. Ideal for businesses seeking flexibility, accessibility, and a professional setting, Harbor Business Center delivers a turnkey solution for companies of all sizes within one of Orange County’s most dynamic business corridors.

Moderately walkable
60/100
Exceptionally drivable
100/100
Limited public transit
30/100
Moderately bikeable
70/100
  • Listing ID: 40929985

  • Date on Market: 7/2/2026

  • Last Updated:

  • Address: 3621 W MacArthur Blvd, Santa Ana, CA 92704

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