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405 Portal 405 Industrial Rd

40,000 - 240,000 SF of 4-Star Flex Space Available in San Carlos, CA 94070

Highlights

  • 240,000 SF life science development
  • 6-story building consisting of 4 occupiable floors above 4 parking levels (2 above - grade, 2 subterranean)
  • Premier access & unobstructed visibility from Hwy. 101
  • Q4 2024 core & shell completion
  • LEED certified
  • Walking distance to Caltrain & Downtown San Carlos (0.4 Miles or 7-10 Minutes)

Features

Standard Parking Spaces
32

all available spaces(6)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 1st Floor
  • 40,000 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
  • Flex
  • Shell Space
  • January 01, 2025

Located in the heart of the burgeoning life science market of San Carlos, Portal 405 is a new 240,000 square foot life science building that offers exceptional visibility, Highway 101 and Caltrain access, and carefully curated floor plates for today’s innovative and growing biotech user. Portal 405 is surrounded by the best science and engineering talent, research universities, and corporations in the world and sits at the gateway to the City of San Carlos and its Innovation District, an area experiencing rapid growth and expansion in the life science sector. The building is a short walk or bike ride from the retail and dining amenities of Downtown San Carlos, the San Carlos Caltrain station, numerous hotels, and other well-established biotech companies. Portal 405 proves the perfect home for the forward-thinking life science user who will build the future of the San Carlos life science industry with other top-tier innovators and have a far-reaching, global impact.

  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space
  • 2nd Floor
  • 40,000 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
  • Flex
  • -
  • October 01, 2025
  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space
  • 3rd Floor
  • 40,000 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
  • Flex
  • -
  • October 01, 2025
  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space
  • 4th Floor
  • 40,000 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
  • Flex
  • -
  • October 01, 2025
  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space
  • 5th Floor
  • 40,000 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
  • Flex
  • -
  • October 01, 2025
  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space
  • 6th Floor
  • 40,000 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
  • Flex
  • -
  • October 01, 2025
  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space
Space Size Term Rental Rate Space Use Condition Available
1st Floor 40,000 SF Negotiable Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request Flex Shell Space January 01, 2025
2nd Floor 40,000 SF Negotiable Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request Flex - October 01, 2025
3rd Floor 40,000 SF Negotiable Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request Flex - October 01, 2025
4th Floor 40,000 SF Negotiable Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request Flex - October 01, 2025
5th Floor 40,000 SF Negotiable Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request Flex - October 01, 2025
6th Floor 40,000 SF Negotiable Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request Flex - October 01, 2025

1st Floor

Size
40,000 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Space Use
Flex
Condition
Shell Space
Available
January 01, 2025

2nd Floor

Size
40,000 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Space Use
Flex
Condition
-
Available
October 01, 2025

3rd Floor

Size
40,000 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Space Use
Flex
Condition
-
Available
October 01, 2025

4th Floor

Size
40,000 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Space Use
Flex
Condition
-
Available
October 01, 2025

5th Floor

Size
40,000 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Space Use
Flex
Condition
-
Available
October 01, 2025

6th Floor

Size
40,000 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request Upon Request Upon Request
Space Use
Flex
Condition
-
Available
October 01, 2025

1st Floor

Size 40,000 SF
Term Negotiable
Rental Rate Upon Request
Space Use Flex
Condition Shell Space
Available January 01, 2025

Located in the heart of the burgeoning life science market of San Carlos, Portal 405 is a new 240,000 square foot life science building that offers exceptional visibility, Highway 101 and Caltrain access, and carefully curated floor plates for today’s innovative and growing biotech user. Portal 405 is surrounded by the best science and engineering talent, research universities, and corporations in the world and sits at the gateway to the City of San Carlos and its Innovation District, an area experiencing rapid growth and expansion in the life science sector. The building is a short walk or bike ride from the retail and dining amenities of Downtown San Carlos, the San Carlos Caltrain station, numerous hotels, and other well-established biotech companies. Portal 405 proves the perfect home for the forward-thinking life science user who will build the future of the San Carlos life science industry with other top-tier innovators and have a far-reaching, global impact.

  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space

2nd Floor

Size 40,000 SF
Term Negotiable
Rental Rate Upon Request
Space Use Flex
Condition -
Available October 01, 2025

  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space

3rd Floor

Size 40,000 SF
Term Negotiable
Rental Rate Upon Request
Space Use Flex
Condition -
Available October 01, 2025

  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space

4th Floor

Size 40,000 SF
Term Negotiable
Rental Rate Upon Request
Space Use Flex
Condition -
Available October 01, 2025

  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space

5th Floor

Size 40,000 SF
Term Negotiable
Rental Rate Upon Request
Space Use Flex
Condition -
Available October 01, 2025

  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space

6th Floor

Size 40,000 SF
Term Negotiable
Rental Rate Upon Request
Space Use Flex
Condition -
Available October 01, 2025

  • Can be combined with additional space(s) for up to 240,000 SF of adjacent space

Property Overview

Located in the heart of the burgeoning life science market of San Carlos, Portal 405 is a new 240,000 square foot life science building that offers exceptional visibility, Highway 101 and Caltrain access, and carefully curated floor plates for today’s innovative and growing biotech user. Portal 405 is surrounded by the best science and engineering talent, research universities, and corporations in the world and sits at the gateway to the biotech cluster in San Carlos, an area experiencing rapid growth and expansion. The building is a short walk or bike ride from the retail and dining amenities of Downtown San Carlos, the San Carlos Caltrain station, numerous hotels, and other well established biotech companies. Portal 405 proves the perfect home for the forward-thinking life science user who will build the future of the life science industry with other top-tier innovators and have a farreaching, global impact.

PROPERTY FACTS

Building Size
240,000 SF
Lot Size
2.47 AC
Year Built
2024
Zoning
LC
Bike Score ®
Very Bikeable (77)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 28677595

  • Date on Market: 9/21/2023

  • Last Updated:

  • Address: 405 Industrial Rd, San Carlos, CA 94070

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