Victorian Tri-Plex with
418 Humboldt Street Santa Rosa, CA 95404
418 Humboldt Street, Santa Rosa, CA, 95404
$1,198,000
For Sale
$1,198,000
MULTI_FAMILY - Santa Rosa, CA
Property Size2,802 SF
Lot Size0.10 Acres
Price / SF$427.55
Days on Market122
Property Features for 418 Humboldt Street
General Information
- Property type
- Residential Multi Family
- Property subtype
- Triplex
- Bedrooms
- 4
- Bathrooms
- 4
- Rooms
- Bedroom 4, Bedroom 2, Bathroom 4, Bathroom 3, Bedroom 1, Bathroom 2, Bedroom 3, Bathroom 1
- Parking
- 6
- Parking features
- Covered
- Standard status
- Active
- APN
- 009023019000
- Size
- 2,802 SF
- Lot size
- 0.10 Acres
Utilities
- Sewer type
- Public Sewer
- Heating system
- Central
- Cooling system
- Central Air
- Water source
- Public
Building Details
- Year built
- 1906
- Number of units
- 3
Listing Agency
Sterling California Properties
(707) 523-4300
4863 Old Redwood Hwy Suite A, Santa Rosa, CA
Listed by
Marshall Mello · License #01815138
(707) 396-2686
Added: Mar 21 Checked: Jul 20 at 11:06 am
MLS# 326019617
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.
Investment Insights
Based on property information with market context.
Well-maintained Victorian tri-plex featuring three residential units built in the early 1900s. The first floor offers two 1-bedroom, 1-bath units with concrete floors and open living and dining areas. A ground-level coin laundry serves both first-floor units. The upper level includes a spacious 2-bedroom, 2-bath unit with hardwood floors, along with a large living room, dining room, and kitchen.
The property is located on Humboldt Street in Santa Rosa, near Brickyard Center, Santa Rosa Plaza, local restaurants, coffee shops, and boutiques. Convenient access is provided to Highway 101 and Sonoma County transit.
In addition to the three existing units, the attic space is described as large enough to potentially add a second story to the upstairs unit or create an additional fourth unit. The layout offers flexibility for long-term rental income or owner occupancy.
The property is located on Humboldt Street in Santa Rosa, near Brickyard Center, Santa Rosa Plaza, local restaurants, coffee shops, and boutiques. Convenient access is provided to Highway 101 and Sonoma County transit.
In addition to the three existing units, the attic space is described as large enough to potentially add a second story to the upstairs unit or create an additional fourth unit. The layout offers flexibility for long-term rental income or owner occupancy.
Key Highlights
- Victorian tri‑plex built in 1906 with 3 units located on Santa Rosa’s Humboldt Street corridor
- 1st floor features two 1‑bedroom, 1‑bath units with central heating, central air, and concrete floors
- Ground‑level coin laundry serves the two first‑floor units
Local Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
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.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $82.4k | $29.40 |
| − Vacancy | −$4.5k | −$1.62 |
| EGI | $77.8k | $27.78 |
| − OpEx | −$23.4k | −$8.33 |
| NOI | $54.5k | $19.45 |
2,802 SF · lease $29.40/SF/yr · vacancy 5.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$778.5K
$681.2K – $908.2K
NOI $54,494 @ 7.0% cap · market cap 4.55%
Second Best
Apartment 5plus
$699.2K
$611.8K – $815.7K
NOI $48,943 @ 7.0% cap · market cap 4.09%
Theoretical Best
—
—
same as Best Use
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Triplexes
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FAQs
What type of property is this?
Triplex - Well-maintained three-unit Victorian tri-plex includes two 1-bedroom units with coin laundry and one 2-bedroom unit upstairs.
Where is this triplex located?
The property is located at 418 Humboldt Street Santa Rosa, CA.
What is the asking price?
The asking price for this property is $1,198,000.
What are key features of this property?
This property features: Victorian tri‑plex built in 1906 with 3 units located on Santa Rosa’s Humboldt Street corridor; 1st floor features two 1‑bedroom, 1‑bath units with central heating, central air, and concrete floors; Ground‑level coin laundry serves the two first‑floor units
