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Highlights

  • Prime location in downtown Riverside!
  • Next door to the Family Law Court!
  • High traffic volume and located close to 91-freeway!
  • Across the street from Historic Court House and Hall of Justice!
  • Around the Corner from the Appellate and Federal Courts!
  • Business-friendly setting in a vibrant commercial district.

All Available Spaces(4)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste B-17C
  • 248 SF
  • Negotiable
  • $25.08 /SF/YR $2.09 /SF/MO $6,220 /YR $518.32 /MO
  • Office
  • Full Build-Out
  • Now

The building at 4129 Main St. in downtown Riverside, CA, is a renovated brick office structure. Situated on an 8,712-square-foot lot directly across from the Historic Courthouse and Hall of Justice, it serves as a prominent hub for the legal and judicial community.

  • Rate includes utilities, building services and property expenses
  • Open Floor Plan Layout
  • Central Air and Heating
  • Wi-Fi Connectivity
  • Basement
  • Directly Across from Courthouse
  • Prime Location to Vibrant Commercial District
  • Next Door to the Family Law Court!
  • Fully Built-Out as Standard Office
  • 1 Private Office
  • Reception Area
  • After Hours HVAC Available
  • Smoke Detector
  • Building Renovated in 2020
  • Excellent Access to 91-Freeway
  • 1st Floor, Ste B7
  • 160 SF
  • Negotiable
  • $27.60 /SF/YR $2.30 /SF/MO $4,416 /YR $368.00 /MO
  • Office
  • Full Build-Out
  • 30 Days

Compact office suite providing an economical solution for professional use. Features efficient design and quick access to building amenities and parking.

  • Rate includes utilities, building services and property expenses
  • 1 Private Office
  • After Hours HVAC Available
  • Cost-effective workspace
  • Suitable for solo practices
  • Fully Built-Out as Standard Office
  • Central Heating System
  • Smoke Detector
  • Easy building access
  • 2nd Floor, Ste 205
  • 412 SF
  • 1 Year
  • $27.60 /SF/YR $2.30 /SF/MO $11,371 /YR $947.60 /MO
  • Office
  • Full Build-Out
  • Now

Functional suite offering bright, efficient workspace configured for a small professional office. Designed for workflow flexibility and easy access to shared amenities.

  • Rate includes utilities, building services and property expenses
  • Open Floor Plan Layout
  • Space is in Excellent Condition
  • Security System
  • Convenient second-floor access
  • Fully Built-Out as Standard Office
  • 1 Private Office
  • Central Air and Heating
  • Flexible open layout
  • Bright interior workspace
  • 3rd Floor, Ste 301
  • 290 SF
  • 1 Year
  • $27.60 /SF/YR $2.30 /SF/MO $8,004 /YR $667.00 /MO
  • Office
  • Full Build-Out
  • August 15, 2026

Compact office suite providing an economical solution for professional use. Features efficient design and quick access to building amenities and parking.

  • Rate includes utilities, building services and property expenses
  • Open Floor Plan Layout
  • Space is in Excellent Condition
  • Security System
  • Easy building access
  • Fully Built-Out as Standard Office
  • 1 Private Office
  • Central Air and Heating
  • Cost-effective workspace
  • Suitable for solo practices
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste B-17C 248 SF Negotiable $25.08 /SF/YR $2.09 /SF/MO $6,220 /YR $518.32 /MO Office Full Build-Out Now
1st Floor, Ste B7 160 SF Negotiable $27.60 /SF/YR $2.30 /SF/MO $4,416 /YR $368.00 /MO Office Full Build-Out 30 Days
2nd Floor, Ste 205 412 SF 1 Year $27.60 /SF/YR $2.30 /SF/MO $11,371 /YR $947.60 /MO Office Full Build-Out Now
3rd Floor, Ste 301 290 SF 1 Year $27.60 /SF/YR $2.30 /SF/MO $8,004 /YR $667.00 /MO Office Full Build-Out August 15, 2026

1st Floor, Ste B-17C

Size
248 SF
Term
Negotiable
Rental Rate
$25.08 /SF/YR $2.09 /SF/MO $6,220 /YR $518.32 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
Now

1st Floor, Ste B7

Size
160 SF
Term
Negotiable
Rental Rate
$27.60 /SF/YR $2.30 /SF/MO $4,416 /YR $368.00 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

2nd Floor, Ste 205

Size
412 SF
Term
1 Year
Rental Rate
$27.60 /SF/YR $2.30 /SF/MO $11,371 /YR $947.60 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
Now

3rd Floor, Ste 301

Size
290 SF
Term
1 Year
Rental Rate
$27.60 /SF/YR $2.30 /SF/MO $8,004 /YR $667.00 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
August 15, 2026

1st Floor, Ste B-17C

Size 248 SF
Term Negotiable
Rental Rate $25.08 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available Now

The building at 4129 Main St. in downtown Riverside, CA, is a renovated brick office structure. Situated on an 8,712-square-foot lot directly across from the Historic Courthouse and Hall of Justice, it serves as a prominent hub for the legal and judicial community.

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • 1 Private Office
  • Central Air and Heating
  • Reception Area
  • Wi-Fi Connectivity
  • After Hours HVAC Available
  • Basement
  • Smoke Detector
  • Directly Across from Courthouse
  • Building Renovated in 2020
  • Prime Location to Vibrant Commercial District
  • Excellent Access to 91-Freeway
  • Next Door to the Family Law Court!

1st Floor, Ste B7

Size 160 SF
Term Negotiable
Rental Rate $27.60 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available 30 Days

Compact office suite providing an economical solution for professional use. Features efficient design and quick access to building amenities and parking.

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • 1 Private Office
  • Central Heating System
  • After Hours HVAC Available
  • Smoke Detector
  • Cost-effective workspace
  • Easy building access
  • Suitable for solo practices

2nd Floor, Ste 205

Size 412 SF
Term 1 Year
Rental Rate $27.60 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available Now

Functional suite offering bright, efficient workspace configured for a small professional office. Designed for workflow flexibility and easy access to shared amenities.

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • 1 Private Office
  • Space is in Excellent Condition
  • Central Air and Heating
  • Security System
  • Flexible open layout
  • Convenient second-floor access
  • Bright interior workspace

3rd Floor, Ste 301

Size 290 SF
Term 1 Year
Rental Rate $27.60 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available August 15, 2026

Compact office suite providing an economical solution for professional use. Features efficient design and quick access to building amenities and parking.

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • 1 Private Office
  • Space is in Excellent Condition
  • Central Air and Heating
  • Security System
  • Cost-effective workspace
  • Easy building access
  • Suitable for solo practices

Property Overview

This office building is situated in a prime location in the heart of Downtown Riverside, located next to the Family Law Court and across the street from the Hall of Justice and Historic Courthouse. Within walking distance to the U.S. Bankruptcy Court, U.S. District Court and Court of Appeal. Renovated in 2020.

  • Bus Line
  • Commuter Rail

Property Facts

Building Type
Office
Year Built/Renovated
1920/2020
Building Height
3 Stories
Building Size
20,207 SF
Building Class
B
Typical Floor Size
6,736 SF
Unfinished Ceiling Height
10’
Moderately walkable
70/100
Very drivable
80/100
Exceptional public transit
90/100
Moderately bikeable
60/100
  • Listing ID: 6367897

  • Date on Market: 7/20/2026

  • Last Updated:

  • Address: 4129 Main St, Riverside, CA 92501

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