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Remodeled Victorian Quadplex
For Sale
$570,000
Pending

1603 I Street, Eureka, CA 95501

Multi-Family, Eureka, CA

Property Size3,098 SF
Lot Size0.17 Acres
Days on Market101

Property Features for 1603 I Street

General Information

Property type Residential Multi Family
Property subtype Other
Zoning Multi-Family
Bedrooms 5
Bathrooms 4
Full bathrooms 4
Rooms Bedroom 3, Bedroom 5, Bathroom 3, Bedroom 2, Bathroom 4, Bedroom 1, Bathroom 1, Bedroom 4, Bathroom 2
Parking features None
Interior features Dryer
Appliances Dryer, Dining in Kitchen
Lot features Flat, In Town, Corner
View City
Middle school Zane
High school Eureka
Elementary school district Eureka
Middle school district Eureka
High school district Eureka
Directions Corner of 16th and I Streets. One unit actually has an 810 16th St address, since its door faces 16th.
Subdivision South Bay
Standard status Pending
APN 005-051-001
Size 3,098 SF
Lot size 0.17 Acres

Utilities

Sewer type Public Sewer

Amenities

laundry room
storage area

Building Details

Year built 1903
Floors in Building 2
Number of units 1
Flooring type Vinyl, Hardwood, Laminate
Roof type Shingle
Architectural style Other
Listing Agency: Coldwell Banker Sellers Realty · Coldwell Banker Real Estate
Listed By: Patricia Stearns · License #00795877
Added: Jun 5 Changed: Sep 13 Last Checked: Sep 13 at 6:06PM
MLS# 272532

Copyright © 2026 Humboldt Association of Realtors. 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.

This 3,098-square-foot Victorian property, built in 1903 and remodeled, is configured as four apartments. Interior character includes stained-glass windows, original moldings, wide-plank wood floors, and scalloped shingle siding. The building also offers a separate laundry room and garage storage area accessible to tenants. Flooring includes hardwood, laminate, and vinyl, with a shingle roof and public sewer service.

Set on 0.17 acres in Eureka, the property is positioned near shopping, services, and restaurants, with freeway access to Cal Poly Humboldt and College of The Redwoods. The landlord currently pays for water, sewer, PGE, garbage, and recycling. No parking is provided on the property.

Key Highlights

  • Four‑apartment configuration within a remodeled Victorian property
  • 3,098 square feet on 0.17 acres
  • Built in 1903 with stained‑glass windows, original moldings, and wide‑plank wood floors

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$40,083
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
7.03%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$801,660 $801.7K
Cap Rate 7%
$572,614 $572.6K
Cap Rate 9%
$445,367 $445.4K
Market Conditions
NOI Build-Up for 3,098 SF 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.
Gross rent
$61.3K $19.80/SF
− Vacancy
−$4.1K −$1.32/SF
EGI
$57.3K $18.48/SF
− OpEx
−$17.2K −$5.54/SF
NOI
$40.1K $12.94/SF
Area
Humboldt County, CA
Vacancy
6.65%
Lease Rate
$19.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$801,660
Cap Rate 7%
$572,614
Cap Rate 9%
$445,367

Alternative Uses

Best Use
Multifamily LT 5
$572.6K
$501.0K – $668.1K (±1% cap)
NOI $40,083 @ 7.0% cap · market cap 7.03%
Second Best
Apartment 5plus
$527.0K
$461.1K – $614.8K (±1% cap)
NOI $36,890 @ 7.0% cap · market cap 6.47%
Theoretical Best
Flex RnD
$1.17M
$1.02M – $1.36M (±1% cap)
NOI $81,896 @ 7.0% cap · market cap 14.37%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

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Current Use

Quadplexes

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Pet Grooming Service Carpet & Flooring Store Florist Computer & Electronic Repair Catering Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

4
Residential units
Yes
Highway access
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

974
Businesses Nearby

Demographics for 95501, CA

23,323
Population
10,577
Households
2.2
Avg Household Size
38
Median Age
34%
College-Educated
90%
High-School Grad
7.3 sq mi
ZIP Area
3,195
Density / Sq Mi
$55,076
Median Household Income
$34,476
Median Earnings
$1,151
Median Rent
$389,900
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025
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Frequently Asked Questions

What type of property is this?
Quadplex - Four apartments feature shared laundry, garage storage, and preserved period architectural details.
Where is this quadplex located?
The property is located at 1603 I Street Eureka, CA.
What is the asking price?
The asking price for this property is $570,000.
What are key features of this property?
This property features: Four‑apartment configuration within a remodeled Victorian property; 3,098 square feet on 0.17 acres; Built in 1903 with stained‑glass windows, original moldings, and wide‑plank wood floors
More about this property
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