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  1. Office Space
  2. CA
  3. Milpitas
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For Lease

South Bay Tech Centre

1603 South Main Street, Milpitas, CA 95035

33,968

SF Available

Rental Details

  • Number of spaces 22
  • Total square feet available 33,968 SF
  • For Lease $1.85 - $2.75/SF/MO
  • Space Types Flex - Office
  • Lease Type Full Service
  • Date Updated Jun 18, 2026
Want more info on this listing?

Reach out to the broker for more info on lease terms and amenities

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For Lease 22 Spaces Available

1603 S Main St 1st Floor

  • Space Type Flex - Office
  • Lease Rate $1.95/SF/MO
  • Total Space Available 3,148 SF
  • Floor 1
  • Divisible Space 3,148 - 3,148 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1603-A S Main St

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,278 SF
  • Divisible Space 1,278 - 1,278 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1605 S Main St #109

  • Space Type Flex - Office
  • Lease Rate $2.75/SF/MO
  • Total Space Available 211 SF
  • Floor 1
  • Divisible Space 211 - 211 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Available Executive Suites

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1605 S Main St #125

  • Space Type Flex - Office
  • Lease Rate $2.75/SF/MO
  • Total Space Available 322 SF
  • Floor 1
  • Divisible Space 322 - 322 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Available Executive Suites

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1609-A S Main St

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,278 SF
  • Divisible Space 1,278 - 1,278 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1611-A S Main St

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,278 SF
  • Divisible Space 1,278 - 1,278 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1613-A S Main St

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,278 SF
  • Divisible Space 1,278 - 1,278 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1615-A S Main St

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,017 SF
  • Divisible Space 1,017 - 1,017 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1617-A S Main St

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,017 SF
  • Divisible Space 1,017 - 1,017 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1619-A S Main St

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,017 SF
  • Divisible Space 1,017 - 1,017 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1621 S Main St 1st Floor

  • Space Type Flex - Office
  • Lease Rate $1.95/SF/MO
  • Total Space Available 2,496 SF
  • Floor 1
  • Divisible Space 2,496 - 2,496 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Building 1

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1633-A S Main St

  • Space Type Flex - Office
  • Lease Rate $1.85/SF/MO
  • Total Space Available 1,281 SF
  • Divisible Space 1,281 - 1,281 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1635-A S Main St

  • Space Type Flex - Office
  • Lease Rate $1.85/SF/MO
  • Total Space Available 1,281 SF
  • Divisible Space 1,281 - 1,281 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1639-A S Main St

  • Space Type Flex - Office
  • Lease Rate $1.85/SF/MO
  • Total Space Available 2,562 SF
  • Divisible Space 2,562 - 2,562 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1643-A S Main St

  • Space Type Flex - Office
  • Lease Rate $1.85/SF/MO
  • Total Space Available 1,281 SF
  • Divisible Space 1,281 - 1,281 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1645 S Main St #212

  • Space Type Flex - Office
  • Lease Rate $2.75/SF/MO
  • Total Space Available 600 SF
  • Divisible Space 600 - 600 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Available Executive Suites

Office Upstairs

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1647 S Main St #200

  • Space Type Flex - Office
  • Lease Rate $2.25/SF/MO
  • Total Space Available 1,446 SF
  • Divisible Space 1,446 - 1,446 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1649 S Main St #105

  • Space Type Flex - Office
  • Lease Rate $2.75/SF/MO
  • Total Space Available 683 SF
  • Floor 1
  • Divisible Space 683 - 683 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Available Executive Suites

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1649 S Main St #106

  • Space Type Flex - Office
  • Lease Rate $2.75/SF/MO
  • Total Space Available 139 SF
  • Floor 1
  • Divisible Space 139 - 139 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Available Executive Suites

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1649-A Main St

  • Space Type Flex - Office
  • Lease Rate $1.85/SF/MO
  • Total Space Available 2,012 SF
  • Divisible Space 2,012 - 2,012 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office Upstairs

Building 2

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1759 S Main St #116

  • Space Type Flex - Office
  • Lease Rate $1.95/SF/MO
  • Total Space Available 1,675 SF
  • Divisible Space 1,675 - 1,675 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Building 5

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

1765 S Main St #117

  • Space Type Flex - Office
  • Lease Rate $1.95/SF/MO
  • Total Space Available 6,668 SF
  • Divisible Space 6,668 - 6,668 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Renewal Option Yes
  • Sublease No

Office, warehouse,  grade level loading 

Building 6

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

Contacts

broker
Dave Geissberger

Kidder Mathews

broker
Derik Benson

Kidder Mathews

Building Details

  • For Lease $1.85 - $2.75/SF/MO
  • Property Type Office - Flex - Office
  • Property Size 161,652 SF
  • Lot Size 11.14 Acre
  • Parking Spaces Avail. 484
  • Parking Ratio 3.00 / 1,000 SF
  • Property Tenancy Multi-Tenant
  • Building Class B
  • Year Built 1987
  • Date Updated Jun 18, 2026

Getting Around

  • Walk Score ®

    Somewhat Walkable (61)
  • Transit Score ®

    Good Transit (57)
  • Bike Score ®

    Very Bikeable (70)
Powered by Walk Score ®

Location

  • City Milpitas, CA
  • Zip Code 95035
  • Market Bay Area
  • Map
  • Street

Points of Interest

Milpitas

0.78 miles

Alder

0.89 miles

Cropley

1.23 miles

Orchard

1.82 miles

Bonaventura

1.85 miles

Hostetter

2.04 miles

Baypointe

2.08 miles

Tasman

2.22 miles

Karina

2.28 miles

Shell

0.13 miles

Montague Valero

0.15 miles

Chevron

0.59 miles

Flyers

0.89 miles

Capitol Arco

0.90 miles

Tesla Supercharger

1.11 miles

Flyers Energy

1.27 miles

Valero

1.27 miles

ChargePoint

1.84 miles

VTA Park and Ride Milpitas

0.82 miles

clinic parking

1.20 miles

AutonomouStuff Car Park

1.74 miles

Broadcom Parking

1.76 miles

Visitor Parking

1.96 miles

River Oaks

1.99 miles

Hostetter

2.06 miles

California Truck Wash

1.30 miles

McCarthy Road Car Wash

1.46 miles

7-Eleven/Union 76

1.56 miles

Hertz

1.87 miles

Rental car return

2.73 miles

Enterprise

2.92 miles

Alamo

3.02 miles

National

3.02 miles

Advantage

3.03 miles

Carl's Jr.

0.37 miles

QQ Noodle

0.39 miles

Juban Ramen

0.46 miles

Poke Xpress

0.47 miles

Pho Hanoi

0.48 miles

Tirupathi Bhimas

0.49 miles

McDonald's

0.59 miles

Olive Garden

0.67 miles

Chipotle

0.67 miles

Saks Fifth Avenue

0.68 miles

Marshalls

0.73 miles

Great Mall

0.77 miles

Burlington

0.80 miles

Kohl's

0.81 miles

Me-Kong Super Market

0.89 miles

New India Bazar

1.23 miles

Indian Market

1.35 miles

99 Ranch Market

1.36 miles

Milpitas Fire Station No. 4

0.97 miles

Maxim Healthcare Services

1.08 miles

Chung Chow City

1.15 miles

North East Medical Services;東北醫療中心

1.20 miles

Kaiser Permanente Milpitas Medical Offices

1.38 miles

Elemental Wellness

1.39 miles

San Jose Fire Station 23

1.41 miles

Walgreens

1.47 miles

USCIS Clinic - Milpitas

1.62 miles

1603 South Main Street Listing Summary

  • Office Space Available at 1603 South Main Street

    Office space currently available at 1603 South Main Street adds up to a total of 33,968 square feet across 22 listing(s). The largest individual space listed offers 6,668 square feet. Property use types available for lease at this property include: flex - office.

  • Learn More about 1603 South Main Street

    1603 South Main Street is located in the Bay Area market and pertains to the 95035 zip code. The property incorporates a total of 33,968 square feet of space. 1603 South Main Street features a parking ratio of 3.00 / 1,000 SF, offering a total of 484 parking spaces. 1603 South Main Street was built in 1987.

    Interested in researching more about this property? Access in-depth research on 1603 South Main Street, including ownership details, transaction history, property characteristics, taxes, mortgage data, violations and more by creating a free account and viewing the full property report.

Contact South Bay Tech Centre
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