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Duplex with Two-Car Garage
For Sale
$1,185,000

307 Treasure Island, Aptos, CA 95003

Duplex offering two residences, private outdoor space, and an attached two-car garage for off-street parking.

Property Size1,400 SF
Price / SF$846.43
Days on Market187

Property Features for 307 Treasure Island

General Information

Standard status Active
Size 1,400 SF
Property subtype Multi Family

Additional Details

Highway Access Yes
Multifamily Units 2

Taxes and HOA fees

Annual Taxes $9,461

Building Details

Year Built 1962
Listing Agency: KW Thrive Santa Cruz
Listed By: Daniel Chole · License #02031480
Source: Exitrealty
Added: Apr 23 Changed: Oct 25 Last Checked: Oct 11 at 4:53AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of KW Thrive Santa Cruz

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Investment Insights

Based on property information with market context.

This duplex includes two separate residences. The upper home is a 2-bedroom, 1-bath layout with vaulted ceilings and a private balcony. The lower 1-bedroom, 1-bath unit includes a separate entrance and private outdoor space.

The property is located on a quiet cul-de-sac and is described as being just steps from the sand. It also provides convenient access to Rio Del Mar and Seacliff beaches, Aptos Village, local restaurants and shops, miles of hiking and biking trails, and Highway 1.

An attached two-car garage supports off-street parking and additional storage, providing practical convenience for both full-time living and rental use.

Key Highlights

  • Duplex in Aptos’ Rio Del Mar neighborhood with two residences totaling approx. 1,400 sq ft
  • Upper unit: 2‑bedroom, 1‑bath with vaulted ceilings, natural light, and a private balcony
  • Lower unit: 1‑bedroom, 1‑bath with separate entrance and private outdoor space

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$39,032
Cap Rate
3.29%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$780,640 $780.6K
Cap Rate 7%
$557,600 $557.6K
Cap Rate 9%
$433,689 $433.7K
Market Conditions
NOI Build-Up for 1,400 SF
Gross rent
$57.1K $40.80/SF
− Vacancy
−$1.4K −$0.97/SF
EGI
$55.8K $39.83/SF
− OpEx
−$16.7K −$11.95/SF
NOI
$39.0K $27.88/SF
Area
Santa Cruz County, CA
Vacancy
2.38%
Lease Rate
$40.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$780,640
Cap Rate 7%
$557,600
Cap Rate 9%
$433,689

Alternative Uses

Best Use
Multifamily LT 5
$557.6K
$487.9K – $650.5K (±1% cap)
NOI $39,032 @ 7.0% cap · market cap 3.29%
Second Best
Apartment 5plus
$514.8K
$450.5K – $600.6K (±1% cap)
NOI $36,036 @ 7.0% cap · market cap 3.04%
Theoretical Best
Retail
$800.5K
$700.5K – $933.9K (±1% cap)
NOI $56,036 @ 7.0% cap · market cap 4.73%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Lease Details

2
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

981
Businesses Nearby

Demographics for 95003, CA

24,706
Population
11,728
Households
2.1
Avg Household Size
50
Median Age
54%
College-Educated
96%
High-School Grad
32.4 sq mi
ZIP Area
763
Density / Sq Mi
$140,990
Median Household Income
$63,609
Median Earnings
$2,548
Median Rent
$1,154,000
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

Frequently Asked Questions

What type of property is this?
Duplex - Duplex offering two residences, private outdoor space, and an attached two-car garage for off-street parking.
Where is this duplex located?
The property is located at 307 Treasure Island Aptos, CA.
What is the asking price?
The asking price for this property is $1,185,000.
What are key features of this property?
This property features: Duplex in Aptos’ Rio Del Mar neighborhood with two residences totaling approx. 1,400 sq ft; Upper unit: 2‑bedroom, 1‑bath with vaulted ceilings, natural light, and a private balcony; Lower unit: 1‑bedroom, 1‑bath with separate entrance and private outdoor space
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