Two-Unit Duplex with Attached
For Sale
$439,000
518 Amber Street, Caldwell, ID 83605
Residential Income, Caldwell, ID
Property Size1,836 SF
Lot Size0.33 Acres
Price / SF$239.11
Days on Market119
Property Features for 518 Amber Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning description
Residential
Bedrooms
4
Bathrooms
2
Full bathrooms
2
Rooms
Bedroom 4, Bathroom 2, Bedroom 2, Bedroom 3, Bathroom 1, Bedroom 1
Parking
2
Parking features
Driveway
Accessibility
Accessible Approach with Ramp
Appliances
Disposal (All Units), Stove/Range (All Units), Refrigerator (All Units), Washer/Dryer (Some Units)
Subdivision
0 Not Applic.
Lot features
10000 S F - .49, Irrigation
Elementary school
Wilson
Middle school
Jefferson
High school
Caldwell
Elementary school district
Caldwell School District #132
Middle school district
Caldwell School District #132
High school district
Caldwell School District #132
Directions
From I-84 Westbound (Boise): Take Exit 29 (US-20/26 / Franklin Rd), Turn left onto Franklin Rd, Turn South onto 10th Ave, Turn left onto Amber St, it is on the right.
Standard status
Active
APN
35762000 0
Size
1,836 SF
Lot size
0.33 Acres
Additional Details
Tenant in Place
Yes
Individually Metered Utilities
electricity
Taxes and HOA fees
Tax Year
2025
Tax Description
34-4N-3W Sw Tax 29 In S1/2 S1/2 Sw Nw Sw Less S 25' Of W 25'
Tax Annual Amount
1759
Legal Description
34-4N-3W Sw Tax 29 In S1/2 S1/2 Sw Nw Sw Less S 25' Of W 25'
Utilities
Sewer type
Septic Tank
Heating system
Baseboard, Ceiling
Cooling system
Window Unit(s), Wall/Window Unit(s)
Water source
Well
Amenities
refrigerator
stove
disposal
in-unit washer and dryer
separate entrances
W/D hookups
attached garage
storage
Building Details
Year built
1965
Number of units
2
Flooring type
Vinyl
Building materials
Concrete, Frame, Wood Siding
Roof type
Composition
Buildings
1
Listing Agency:
Keller Williams Realty Boise
(208) 672-9000
Listed By:
Lane Nielson · License #45355
(208) 985-3006
Added: Jul 10
Changed: Nov 4
Last Checked: Nov 5 at 1:06PM
MLS# 98993552
Copyright © 2026 Intermountain Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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Investment Insights
Based on property information with market context.
This 1965 duplex contains two matching, single-level residences, each measuring 918 square feet and configured with two bedrooms and one bathroom. Both units have separate entrances, attached one-car garages, and washer and dryer hookups. The property also includes a driveway with space for RV parking, wood siding, a composition-shingle roof, and vinyl flooring. Heating is provided by baseboard and ceiling systems, with window or wall/window cooling units.
The duplex occupies a 0.33-acre lot in Caldwell. Electricity is separately metered for the two units, and the property is served by a well and septic system. The two-unit layout provides separate living spaces within one property.
The duplex occupies a 0.33-acre lot in Caldwell. Electricity is separately metered for the two units, and the property is served by a well and septic system. The two-unit layout provides separate living spaces within one property.
Key Highlights
- Two 918‑square‑foot units, each with 2 bedrooms and 1 bathroom
- 0.33‑acre lot in Caldwell
- Two attached 1‑car garages and driveway parking with room for RVs
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$26,383
Cap Rate
6.01%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$527,660
$527.7K
Cap Rate 7%
$376,900
$376.9K
Cap Rate 9%
$293,144
$293.1K
Market Conditions
NOI Build-Up for 1,836 SF
Gross rent
$49.8K $27.12/SF
− Vacancy
−$1.8K −$0.99/SF
EGI
$48.0K $26.13/SF
− OpEx
−$21.6K −$11.76/SF
NOI
$26.4K $14.37/SF
Area
Canyon County, ID
Vacancy
3.66%
Lease Rate
$27.12 /SF/Yr
Expense Ratio
45.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$527,660
Cap Rate 7%
$376,900
Cap Rate 9%
$293,144
Alternative Uses
Best Use
Apartment 5plus
$376.9K
$329.8K – $439.7K
NOI $26,383 @ 7.0% cap · market cap 6.01%
Second Best
Multifamily LT 5
$157.4K
$137.7K – $183.6K
NOI $11,015 @ 7.0% cap · market cap 2.51%
Theoretical Best
Office A
$489.0K
$427.9K – $570.5K
NOI $34,232 @ 7.0% cap · market cap 7.80%
Zoning and permitted uses should be independently verified with authorities.
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Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
153
Businesses Nearby
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Business Placement
Demographics for 83605, ID
38,561
Population
14,197
Households
2.7
Avg Household Size
32
Median Age
14%
College-Educated
80%
High-School Grad
24.6 sq mi
ZIP Area
1,568
Density / Sq Mi
$60,657
Median Household Income
$31,806
Median Earnings
$973
Median Rent
$300,900
Median Home Value
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Market
Vacancy Rate% for Multifamily in West region
Frequently Asked Questions
What type of property is this?
Duplex - Each residence has two bedrooms, one bathroom, and separate electrical metering.
Where is this duplex located?
The property is located at 518 Amber Street Caldwell, ID.
What is the asking price?
The asking price for this property is $439,000.
What are key features of this property?
This property features: Two 918‑square‑foot units, each with 2 bedrooms and 1 bathroom; 0.33‑acre lot in Caldwell; Two attached 1‑car garages and driveway parking with room for RVs
