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All Available Spaces(2)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor, Ste 320
  • 900 SF
  • Negotiable
  • $13.32 /SF/YR $1.11 /SF/MO $11,988 /YR $999.00 /MO
  • Office
  • Full Build-Out
  • 30 Days

MOVE IN SPECIAL! FIRST MONTH RENT IS FREE!! Less than a block from the courthouse in downtown Eureka! This lovely and historic building currently houses Central Office and Hagadone Directories. This is the downstairs north unit. This office suite houses 2 or 3 offices, a kitchen / break room with storage and a bathroom. 320 I ST is being offered at $1000 per month. Lease terms negotiable. Excellent location across the street from the courthouse in Eureka, CA and across from the Courthouse Union station. You will be in the thick of it in downtown Eureka. This historical building was once the Adorni Building many, many years ago has retained its historic Old Town charm. Included in rent is 2 reserved parking spots in the back parking area and additional off street parking for your patrons. Owner pays for Water / Sewer / Garbage and maintains the grounds. Many improvements are in process. There are two entrances into the suite...one in the back off the parking area up a short flight of stairs and through the front up the main stairs short stairs. There will be an additional set of locking accordion doors in the front for extra after-hours security. Alarm in the unit. You would need to pay for monitoring, if desired. The owner prefers a 3-year gross lease but terms are negotiable. Tenant to pay PG&E, Phone, Cable, WIFI etc.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fits 3 - 8 People
  • Fully Built-Out as Standard Office
  • 2nd Floor, Ste 322
  • 950 SF
  • Negotiable
  • $11.04 /SF/YR $0.92 /SF/MO $10,488 /YR $874.00 /MO
  • Office
  • Full Build-Out
  • 30 Days

Excellent location across the street from the courthouse in Eureka, CA and across from the Courthouse Union station. You will be in the thick of it in downtown Eureka. This historical building was once the Adorni Building many, many years ago has retained its historical Old Town charm. Nicely updated office space includes 4 nice sized offices, a kitchenette with storage and a bathroom. This is a lovely, second story office suite. Other tenants include an attorney, Redwood Electronics and the Central Office copy center. Included in rent is 2 reserved parking spots in the back parking area and additional off street parking for your patrons. Owner pays for Water / Sewer / Garbage and maintains the grounds. There are two entrances into the suite...one in the back off the parking area up decking stairs and through the front up the main stairs. There is locking accordion doors in the front for extra after-hours security. Year lease or other terms negotiable Tenant to pay PG&E, Phone, Cable, WIFI etc.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fits 3 - 8 People
  • Fully Built-Out as Standard Office
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor, Ste 320 900 SF Negotiable $13.32 /SF/YR $1.11 /SF/MO $11,988 /YR $999.00 /MO Office Full Build-Out 30 Days
2nd Floor, Ste 322 950 SF Negotiable $11.04 /SF/YR $0.92 /SF/MO $10,488 /YR $874.00 /MO Office Full Build-Out 30 Days

1st Floor, Ste 320

Size
900 SF
Term
Negotiable
Rental Rate
$13.32 /SF/YR $1.11 /SF/MO $11,988 /YR $999.00 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

2nd Floor, Ste 322

Size
950 SF
Term
Negotiable
Rental Rate
$11.04 /SF/YR $0.92 /SF/MO $10,488 /YR $874.00 /MO
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

1st Floor, Ste 320

Size 900 SF
Term Negotiable
Rental Rate $13.32 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available 30 Days

MOVE IN SPECIAL! FIRST MONTH RENT IS FREE!! Less than a block from the courthouse in downtown Eureka! This lovely and historic building currently houses Central Office and Hagadone Directories. This is the downstairs north unit. This office suite houses 2 or 3 offices, a kitchen / break room with storage and a bathroom. 320 I ST is being offered at $1000 per month. Lease terms negotiable. Excellent location across the street from the courthouse in Eureka, CA and across from the Courthouse Union station. You will be in the thick of it in downtown Eureka. This historical building was once the Adorni Building many, many years ago has retained its historic Old Town charm. Included in rent is 2 reserved parking spots in the back parking area and additional off street parking for your patrons. Owner pays for Water / Sewer / Garbage and maintains the grounds. Many improvements are in process. There are two entrances into the suite...one in the back off the parking area up a short flight of stairs and through the front up the main stairs short stairs. There will be an additional set of locking accordion doors in the front for extra after-hours security. Alarm in the unit. You would need to pay for monitoring, if desired. The owner prefers a 3-year gross lease but terms are negotiable. Tenant to pay PG&E, Phone, Cable, WIFI etc.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Fits 3 - 8 People

2nd Floor, Ste 322

Size 950 SF
Term Negotiable
Rental Rate $11.04 /SF/YR
Space Use Office
Build-Out Full Build-Out
Available 30 Days

Excellent location across the street from the courthouse in Eureka, CA and across from the Courthouse Union station. You will be in the thick of it in downtown Eureka. This historical building was once the Adorni Building many, many years ago has retained its historical Old Town charm. Nicely updated office space includes 4 nice sized offices, a kitchenette with storage and a bathroom. This is a lovely, second story office suite. Other tenants include an attorney, Redwood Electronics and the Central Office copy center. Included in rent is 2 reserved parking spots in the back parking area and additional off street parking for your patrons. Owner pays for Water / Sewer / Garbage and maintains the grounds. There are two entrances into the suite...one in the back off the parking area up decking stairs and through the front up the main stairs. There is locking accordion doors in the front for extra after-hours security. Year lease or other terms negotiable Tenant to pay PG&E, Phone, Cable, WIFI etc.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Fits 3 - 8 People

Property Facts

Building Type
Office
Year Built
1910
Building Height
2 Stories
Building Size
3,500 SF
Building Class
C
Typical Floor Size
1,750 SF
Parking
11 Surface Parking Spaces
2 Reserved Parking Spaces

Select Tenants

  • Floor
  • Tenant Name
  • Industry
  • 1st
  • Firpo Law Firm
  • Professional, Scientific, and Technical Services
  • 1st
  • Redwood Electronics Corp
  • Retailer
Very walkable
80/100
Very drivable
80/100
Limited public transit
30/100
Moderately bikeable
60/100
  • Listing ID: 41838369

  • Date on Market: 8/21/2026

  • Last Updated:

  • Address: 326 I St, Eureka, CA 95501

Contact the Leasing Agent

326 I St

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