Duplex With Detached Living
New
For Sale
$660,000
109 20TH AVENUE S, St Petersburg, FL 33705
Two separate residences include updated interiors, private outdoor space, and alley access for parking or boat storage.
Property Size1,346 SF
Price / SF$490.34
Days on Market5
Property Features for 109 20TH AVENUE S
General Information
Standard status
Active
Size
1,346 SF
Property subtype
Duplex
Site & Location
Highway Access
Yes
Road Access
Yes
Units
Unit Mix
1 x 2BR/1BA, 1 x 1BR/1BA
Multifamily Units
2
Amenities
front deck
vinyl fence
pavered courtyard
storage shed
0.16 acres
Shingle
Public Sewer
Additional parcels description:, Parcel Number: 30-31-17-77184-013-0070, Public Survey Range: 17, Public Survey Section: 30, Annual Amount: $7,389, Tax Block: 13, Tax Book Number: 1-17, Legal Description: ROUSLYNN BLK 13, LOT 7, Lot: 7, Year: 2025
Vinyl
Central Air, Mini-Split Unit(s)
Central
Electric Dryer Hookup, Washer Hookup
Listing ID: MFRTB8531729, Standard Status: Active, MLS Status: Active, Property Subtype: Duplex, On market as of 2026-07-31, 1 day on market, Special Conditions: None
Boat, Off Street
Elementary School: Campbell Park Elementary-PN, Middle School: John Hopkins Middle-PN, High School: Lakewood High-PN
3 total bedrooms
Built in 1927, Living area: 1346, Living area units: Square Feet, Construction Materials: Block, Frame
Subdivision: ROUSLYNN, MLS Area (Major): 33705 - St Pete, County/Parish: Pinellas
Other structures: Shed(s)
2 total bathrooms
BB/HS Internet Available, Cable Available, Public, Water Source: Public
Concrete Perimeter
Road Surface: Brick
Patio/Porch Features: Deck, Front Porch, Fence, Sidewalk, Storage
Ceiling Fans(s), Primary Bedroom Main Floor
Dishwasher, Microwave, Range, Refrigerator
Building Details
Year Built
1927
Buildings
2
Listing Agency:
MAVREALTY
(727) 314-3942
Listed By:
Cody Chisholm · License #3544886
Source:
Miharaandassociates
Added: Jul 31
Changed: Aug 4
Last Checked: Aug 4 at 2:47AM
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 MAVREALTY
Investment Insights
Based on property information with market context.
Built in 1927, this 1,346-square-foot duplex property combines a 2-bedroom, 1-bathroom main residence with a detached 1-bedroom, 1-bathroom ADU. The primary home includes living and dining areas, wood-look flooring, a kitchen with stainless steel appliances, recessed lighting, cabinetry, and ample countertop space. The detached dwelling provides its own living area, kitchen, bedroom, and full bathroom with a walk-in shower.
Outdoor improvements include a shaded front deck, vinyl fencing, and a pavered courtyard linking the two residences. A large rear gate provides private alley access for vehicle parking or boat storage, and a storage shed adds utility. Both structures have newer roofs, while the property also features newer pavers, windows, and front-deck improvements. The property is not in a flood zone and is located near Tampa Bay waterfront recreation, Lassing Park, downtown St. Petersburg, USF St. Petersburg, and I-275.
Outdoor improvements include a shaded front deck, vinyl fencing, and a pavered courtyard linking the two residences. A large rear gate provides private alley access for vehicle parking or boat storage, and a storage shed adds utility. Both structures have newer roofs, while the property also features newer pavers, windows, and front-deck improvements. The property is not in a flood zone and is located near Tampa Bay waterfront recreation, Lassing Park, downtown St. Petersburg, USF St. Petersburg, and I-275.
Key Highlights
- 2‑bedroom, 1‑bathroom main home plus detached 1‑bedroom, 1‑bathroom ADU
- 1,346‑square‑foot duplex property built in 1927
- Separate ADU includes living space, kitchen, bedroom, and walk‑in shower
Property Analytics
Current Use
Lease Details
2
Residential units
Yes
Highway access
Yes
Paved road access
Location Intelligence
Trade Area within ½ mile
671
Businesses Nearby
Explore this area
Business Placement
Demographics for 33705, FL
27,915
Population
15,171
Households
1.8
Avg Household Size
43
Median Age
36%
College-Educated
92%
High-School Grad
5.6 sq mi
ZIP Area
4,985
Density / Sq Mi
$70,783
Median Household Income
$40,370
Median Earnings
$1,457
Median Rent
$321,500
Median Home Value
Market
Properties on Market for Duplexes in Pinellas County
Vacancy Rate% for Multifamily in South region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Two separate residences include updated interiors, private outdoor space, and alley access for parking or boat storage.
Where is this duplex located?
The property is located at 109 20TH AVENUE S St Petersburg, FL.
What is the asking price?
The asking price for this property is $660,000.
What are key features of this property?
This property features: 2‑bedroom, 1‑bathroom main home plus detached 1‑bedroom, 1‑bathroom ADU; 1,346‑square‑foot duplex property built in 1927; Separate ADU includes living space, kitchen, bedroom, and walk‑in shower
