20819 Nunes Ave, Castro Valley, CA 94546

Building Details

Year built

1951

Building materials

Stucco

Roof type

Tar/Gravel

Listing agent Tim Fiebig License #00657474 Show Phone

Listing office EXP Realty of California, Inc R**@raymarquez.com 2603 Camino Ramon Ste 200, San Ramon, CA Show Phone

Listing date Feb 12, 2026

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MLS# 41123843

Copyright © 2026 Bay East. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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Overview

This modern, remodeled office suite offers a flexible layout with open work areas plus separate offices designed for privacy. Interior improvements include recently painted surfaces, laminate flooring throughout, and conference and work rooms to support both meetings and focused tasks. Dedicated storage is also included, along with efficient heating and cooling via modular units for year-round comfort. A partially covered outdoor patio provides a convenient place for breaks or lunch. Some existing office furniture may remain for tenant use, if desired.

Located at 20819 Nunes Ave in Castro Valley, the space is positioned in a downtown setting within the Theater District, supporting convenient access and visibility for professional users.

The configuration is well suited for professional offices and teams that need a mix of collaborative and private workspaces. It can also support creative firms or boutique service providers that benefit from conference rooms for client meetings and workrooms for ongoing project work. Optional existing furniture may help reduce initial move-in time and setup costs.

Suggested Use

Law Firm Real Estate Agency Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Gym & Fitness Center Daycare Center

Zoning and permitted uses should be independently verified with local authorities.

Location Insight

• Map
• Local Demand

City

Castro Valley

County

Alameda

State

California

Longitude

-122.0823355

Latitude

37.6947804

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FAQs

What type of property is this?

Office units - A modern office suite with laminate flooring, private rooms, and a partially covered patio for everyday convenience.

Where is this office units located?

The property is located at 20819 Nunes Ave Castro Valley, CA.

What is the lease rate?

The lease rate is $2,350 /Mo.

What are key features of this property?

This property features: Prime downtown location in the Theater District offers visibility and accessibility.; Modern, remodeled space with a flexible layout including open areas, separate offices, conference/work rooms, and dedicated storage.; Recently painted and updated with laminate flooring throughout.