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Renovated Single-Family with Detached Studio

2521 4TH Street S St Petersburg, FL 33705

2521 4TH Street S, St Petersburg, FL, 33705
$375,000
For Sale
$375,000

MULTI_FAMILY - ST PETERSBURG, FL

Property Size1,296 SF
Lot Size0.13 Acres
Price / SF$289.35
Days on Market56

Property Features for 2521 4TH Street S

General Information

Property type
Residential Multi Family
Property subtype
Duplex
Bedrooms
2
Bathrooms
3
Rooms
Bathroom 1, Bedroom 2, Bedroom 1, Bathroom 3, Bathroom 2
Interior features
Ceiling Fans(s)
Exterior features
Awning(s)
Appliances
Electric Water Heater, Range, Refrigerator
Standard status
Active
APN
31-31-17-36684-000-0180
Size
1,296 SF
Lot size
0.13 Acres

Taxes and HOA fees

Tax Year
2025
Tax Description
HARBORDALE SUB LOT 18
Tax Annual Amount
7106

Utilities

Sewer type
Public Sewer
Heating system
Central, Ductless (Heating)
Cooling system
Wall/Window Unit(s), Window Unit(s), Central Air
Water source
Public

Building Details

Year built
1938
Floors in Building
1
Flooring type
Laminate
Building materials
Frame
Roof type
Shingle
Listing agency COMPASS FLORIDA LLC
Listed by Joseph Snyder, LLC · License #3292721
Added: May 28 Updated: Jul 20 at 9:00PM Checked: Jul 21 at 11:06PM
MLS# TB8514346

Copyright © 2026 Stellar MLS. 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 fully renovated single-family home includes a 2-bedroom, 2-bath main house and a detached studio apartment (mother-in-law suite). Both units have been completely updated with modern finishes, creating a clean, move-in-ready setup designed to support separate living arrangements.

The property is located in St. Petersburg, Florida in a non-flood zone. It is described as being near downtown St. Petersburg and Lassing Park, providing convenient access to dining, entertainment, and outdoor spaces.

As configured, the home supports an owner-occupant option where one unit can be lived in while the other provides supplemental rental income, alongside the potential for an investor to own a two-unit residential income property.

Key Highlights

  • Fully renovated single‑family home plus detached studio apartment (mother‑in‑law suite) in St. Petersburg
  • Main house is a 2/2 renting for $2,500/month; detached studio rents for $1,100/month
  • Located in a non‑flood zone (per listing remarks) with Public Sewer and Public Water

Local Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
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.

Component $ $/SF
Gross rent $23.2k $17.88
− Vacancy −$1.6k −$1.21
EGI $21.6k $16.67
− OpEx −$6.5k −$5.00
NOI $15.1k $11.67
1,296 SF · lease $17.88/SF/yr · vacancy 6.74% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$216.1K
$189.1K – $252.1K (±1% cap)
NOI $15,127 @ 7.0% cap · market cap 4.03%
Second Best
Apartment 5plus
$170.3K
$149.0K – $198.7K (±1% cap)
NOI $11,919 @ 7.0% cap · market cap 3.18%
Theoretical Best
Office A
$337.1K
$295.0K – $393.3K (±1% cap)
NOI $23,597 @ 7.0% cap · market cap 6.29%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Dental Office Law Firm Building Supply Plumbing Service Electrical Service Bakery Kitchen & Bath Showroom Catering Service Skin Care Clinic Home Appliance Store

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Duplex - Fully renovated 2/2 main home plus a detached studio apartment, both updated, in a non-flood zone.
Where is this duplex located?
The property is located at 2521 4TH Street S St Petersburg, FL.
What is the asking price?
The asking price for this property is $375,000.
What are key features of this property?
This property features: Fully renovated single‑family home plus detached studio apartment (mother‑in‑law suite) in St. Petersburg; Main house is a 2/2 renting for $2,500/month; detached studio rents for $1,100/month; Located in a non‑flood zone (per listing remarks) with Public Sewer and Public Water
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