Victorian Tri-Plex with Coin
418 Humboldt Street Santa Rosa, CA 95404
New
418 Humboldt Street, Santa Rosa, CA, 95404
$1,100,000
For Sale
$1,100,000
MULTI_FAMILY - Santa Rosa, CA
Property Size2,802 SF
Lot Size0.10 Acres
Price / SF$392.58
Days on Market4
Property Features for 418 Humboldt Street
General Information
- Property type
- Residential Multi Family
- Property subtype
- Triplex
- Bedrooms
- 4
- Bathrooms
- 4
- Rooms
- Bathroom 1, Bathroom 3, Bathroom 4, Bedroom 1, Bedroom 4, Bathroom 2, Bedroom 2, Bedroom 3
- 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
Listed by
Marshall Mello · License #01815138
(707) 396-2686
Added: Jul 18 Updated: Jul 20 at 3:38PM Checked: Jul 21 at 10:06AM
MLS# 326019617
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 built in the early 1900s featuring two 1-bedroom, 1-bath units on the first floor and a spacious 2-bedroom, 2-bath unit on the upper level. The two first-floor units include concrete floors and open living and dining areas, and share a ground-level coin laundry for added convenience. The upper unit includes hardwood floors, along with a large living room, dining room, and kitchen.
The property is located at 418 Humboldt Street in Santa Rosa, within the Humboldt Street corridor and near local retail and dining, including Brickyard Center and Santa Rosa Plaza. It also provides convenient access to Highway 101 and Sonoma County transit.
An attic space is included that is described as large enough to potentially add a second story to the upstairs unit or create an additional 4th unit. Three units are currently configured for rental income, with flexibility for long-term use.
The property is located at 418 Humboldt Street in Santa Rosa, within the Humboldt Street corridor and near local retail and dining, including Brickyard Center and Santa Rosa Plaza. It also provides convenient access to Highway 101 and Sonoma County transit.
An attic space is included that is described as large enough to potentially add a second story to the upstairs unit or create an additional 4th unit. Three units are currently configured for rental income, with flexibility for long-term use.
Key Highlights
- 1906‑built Victorian tri‑plex with central heating and central air
- Three‑unit layout: two 1‑bedroom, 1‑bath units on the first floor and one 2‑bedroom, 2‑bath unit upstairs
- Public water and public sewer service
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 4.95%
Second Best
Apartment 5plus
$699.2K
$611.8K – $815.7K
NOI $48,943 @ 7.0% cap · market cap 4.45%
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
Similar For Sale Nearby
FAQs
What type of property is this?
Triplex - Well-maintained three-unit Victorian property features two 1-bedroom units with coin laundry and an upstairs 2-bedroom unit.
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 $1,100,000.
What are key features of this property?
This property features: 1906‑built Victorian tri‑plex with central heating and central air; Three‑unit layout: two 1‑bedroom, 1‑bath units on the first floor and one 2‑bedroom, 2‑bath unit upstairs; Public water and public sewer service
