Santa Rosa Office Building For
451 College Avenue, Santa Rosa, CA 95401
Office - Santa Rosa, CA
Type:Office
Property size:
3,333 SFLot size:
0.16 AcresPrice / SF:
$218/SF- Added:
- Feb 24, 2026
- Days on Market:
- 83
- Last Refresh:
- May 18 at 9:06 am
Property Features for 451 College Avenue
General Information
- Property type
- Commercial Sale
- Property subtype
- Office
- Parking
- 7
- EntryLevel
- Carpet,Combo of Materials,Tile,Vinyl
- Standard status
- Active
- APN
- 180-760-069-000
- Size
- 3,333 SF
- Lot size
- 0.16 Acres
Utilities
- Heating system
- Central, Varies by Unit (Heating)
- Cooling system
- Multi Units, Varies by Unit, Wall Unit(s)
Building Details
- Year built
- 1946
- Floors in Building
- 2
- Flooring type
- Carpet, Tile, Vinyl
- Building materials
- Stucco
- Roof type
- Composition, Flat, Shingle
- Architectural style
- Other
Listing agent Todd Bertolone License #01024983 (707) 322-6831
Listing office Bertolone Realty 1206 Fourth St, Santa Rosa, CA (707) 545-1442
Listing date Feb 24, 2026
MLS# 325040919
Listing URL
Copyright © 2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
HighLights
- Prime location near downtown Santa Rosa, Mendocino & College Avenues, and Highway 101.
- Large office building (approximately 3333 sqft) with 7 separate offices.
- Includes a large conference area, mail room, kitchen, and office storage/equipment room.
- Features an atrium area with a fountain.
- 7 parking spots with alley access included.
- Well‑maintained building, home to Gehrke Realty since 1961.
Overview
This approximately 3333 square foot office building is located a few blocks from downtown Santa Rosa, near the corner of Mendocino Avenue and College Avenue, and a couple of blocks from HWY 101. The property features 7 separate offices, a large conference area, a mail room, a kitchen area, and an atrium area with a fountain. It also includes 2 half baths, an office storage/equipment room, and 7 parking spots with alley access. The building appears to be in good shape and well-maintained, though the interior might need some cosmetic upgrades. The property is situated on a 0.1607-acre lot in Sonoma County.
Financial Insights
Value Estimation Calculated for Office B
Conservative
$522.9K
NOI $47,059 @ 9.00% cap · cautious / downside scenario
Moderate
$672.3K
NOI $47,059 @ 7.00% cap · market / base-case scenario
Aggressive
$941.2K
NOI $47,059 @ 5.00% cap · optimistic / upside scenario
NOI & Cap Rate Calculator
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
Calculated for Office B
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $74.0k | $22.20 |
| − Vacancy | −$11.2k | −$3.37 |
| EGI | $62.7k | $18.83 |
| − OpEx | −$15.7k | −$4.71 |
| NOI | $47.1k | $14.12 |
3,333 SF · lease $22.20/SF/yr · vacancy 15.20% · expense 25.00%
Alternative Use Scenarios
Best Use
Office B
$672.3K
$588.2K – $784.3K
NOI $47,059 @ 7.0% cap · market cap 6.46%
Second Best
—
—
no second resolved use
Theoretical Best
Multifamily LT 5
$926.0K
$810.3K – $1.08M
NOI $64,821 @ 7.0% cap · market cap 8.89%
Zoning and permitted uses should be independently verified with local authorities.
Property Profile
Insight Report
Location Intelligence
Current Use by Public Records
Silk & Sage Studio
Hair Salon
Gehrke Realty Associates ...
Real Estate Agency
Macy Chiropractic
Alternative Medicine Practice
Robert W. Macy, ...
Alternative Medicine Practice
Everything Energy
Alternative Medicine Practice
Location Insight
- Map
- Local Demand
- City
- Santa Rosa
- County
- Sonoma
- State
- California
- Longitude
- -122.7185283
- Latitude
- 38.4458004
Nearby Similar for Sale
FAQs
What type of property is this?
Office building - Prime location office building near downtown Santa Rosa.
Where is this office building located?
The property is located at 451 College Avenue Santa Rosa, CA.
What is the asking price?
The asking price for this property is $729,000.
What are key features of this property?
This property features: Prime location near downtown Santa Rosa, Mendocino & College Avenues, and Highway 101.; Large office building (approximately 3333 sqft) with **7 separate offices**.; Includes a **large conference area**, mail room, kitchen, and office storage/equipment room.
