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Duplex with Alley Access
For Sale
$800,000

3504 Duval ST, Austin, TX 78705

SF-3 zoning and a substantial lot offer flexibility around the existing two-unit layout.

Property Size1,940 SF
Lot Size0.20 Acres
Price / SF$412.37
Days on Market8

Property Features for 3504 Duval ST

General Information

Standard status Active
Size 1,940 SF
Lot size 0.20 Acres
Property subtype Multi-Family
Zoning SF-3

Units

Unit Mix 1 x 2BR/1BA, 1 x 2BR/2BA
Multifamily Units 2

Additional Details

Gross Income $52,200
Public Transit Yes

Building Details

Year Built 1924
Listing Agency: Competitive Edge Realty LLC
Listed By: Papasan Properties Group
Source: Papasanproperties
Added: Oct 1 Changed: Oct 7 Last Checked: Oct 7 at 12:04PM

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 Competitive Edge Realty LLC

Investment Insights

Based on property information with market context.

This 1,940-square-foot duplex, built in 1924, has two bedrooms and one bathroom in the front unit, and two bedrooms and two bathrooms in the rear unit. The approximately 8,500-square-foot parcel is zoned SF-3 and has alley access. The roof was replaced in August 2025, and the main sewer line was replaced in 2009.

The property is in central Austin, with a UT bus stop at the front door. Central Park, Central Market, the Triangle, Hyde Park and Hancock Golf Course are among the nearby destinations.

The existing building could remain in place as additional units are added at the rear, or the footprint could be expanded or reworked, according to the described development options. A feasibility study was completed in September 2026.

Key Highlights

  • Two‑unit layout: front residence has 2 bedrooms and 1 bathroom; rear residence has 2 bedrooms and 2 bathrooms
  • 1,940‑square‑foot building on an approximately 8,500‑square‑foot lot
  • SF‑3 zoning and alley access

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$28,658
Cap Rate
3.58%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$573,160 $573.2K
Cap Rate 7%
$409,400 $409.4K
Cap Rate 9%
$318,422 $318.4K
Market Conditions
NOI Build-Up for 1,940 SF
Gross rent
$43.1K $22.20/SF
− Vacancy
−$2.1K −$1.10/SF
EGI
$40.9K $21.10/SF
− OpEx
−$12.3K −$6.33/SF
NOI
$28.7K $14.77/SF
Area
Austin, TX
Vacancy
4.94%
Lease Rate
$22.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$573,160
Cap Rate 7%
$409,400
Cap Rate 9%
$318,422

Alternative Uses

Best Use
Multifamily LT 5
$409.4K
$358.2K – $477.6K (±1% cap)
NOI $28,658 @ 7.0% cap · market cap 3.58%
Second Best
Apartment 5plus
$376.3K
$329.3K – $439.0K (±1% cap)
NOI $26,340 @ 7.0% cap · market cap 3.29%
Theoretical Best
Office A
$760.2K
$665.2K – $886.9K (±1% cap)
NOI $53,215 @ 7.0% cap · market cap 6.65%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

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Current Use

Duplexes

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Furniture & Home Goods Nursing Home Electrical Service Locksmith Clothing & Fashion Store

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

2
Residential units

Location Intelligence

Trade Area within ½ mile

2,074
Businesses Nearby

Demographics for 78705, TX

36,535
Population
12,519
Households
2.9
Avg Household Size
23
Median Age
80%
College-Educated
99%
High-School Grad
2.1 sq mi
ZIP Area
17,398
Density / Sq Mi
$30,336
Median Household Income
$10,994
Median Earnings
$1,520
Median Rent
$627,900
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 South region

8.5% 2022
10.2% 2023
11.4% 2024
11.3% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - SF-3 zoning and a substantial lot offer flexibility around the existing two-unit layout.
Where is this duplex located?
The property is located at 3504 Duval ST Austin, TX.
What is the asking price?
The asking price for this property is $800,000.
What are key features of this property?
This property features: Two‑unit layout: front residence has 2 bedrooms and 1 bathroom; rear residence has 2 bedrooms and 2 bathrooms; 1,940‑square‑foot building on an approximately 8,500‑square‑foot lot; SF‑3 zoning and alley access
More about this property
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