Front of building - 313 18TH AVE S ST, ST PETERSBURG
Front entrance - 313 18TH AVE S ST, ST PETERSBURG
Front of space - 313 18TH AVE S ST, ST PETERSBURG
Front of space - 313 18TH AVE S ST, ST PETERSBURG
Side of space - 313 18TH AVE S ST, ST PETERSBURG
Side of space - 313 18TH AVE S ST, ST PETERSBURG
Back of space - 313 18TH AVE S ST, ST PETERSBURG
Private office room - 313 18TH AVE S ST, ST PETERSBURG
Private office or break room - 313 18TH AVE S ST, ST PETERSBURG
Back hallway to bathrooms & server room - 313 18TH AVE S ST, ST PETERSBURG
ADA Bathroom - 313 18TH AVE S ST, ST PETERSBURG
Carport / Utility / Break area - 313 18TH AVE S ST, ST PETERSBURG
Entrance to property - 313 18TH AVE S ST, ST PETERSBURG
Entrance to property - 313 18TH AVE S ST, ST PETERSBURG
14 photos

$36,984

313 18TH AVE S ST
ST PETERSBURG, FL 33705
Listed by Melissa Stelzle · SMITH & ASSOCIATES REAL ESTATE
Bedrooms
N/A
Bathrooms
N/A
Living area
1,608 sqft
Year built
1961

About this home

Prime Mixed-Use Commercial Opportunity | Old Southeast St. Petersburg Position your business in a high-demand St. Petersburg location where visibility, accessibility, and functionality come together. This recently renovated 1,608 SF mixed-use commercial space, offered at $23/SF NNN, presents an exceptional opportunity for an owner-user or tenant seeking a well-appointed property with a flexible layout and strong surrounding demographics. The solid-block building features a professional street presence with prominent signage on both the front and side of the building, 15+ dedicated parking spaces, and convenient access to major roadways, I-275, and Downtown St. Petersburg. The interior offers a versatile open floor plan complemented by two private offices, two ADA-compliant restrooms, a dedicated server room with basin sink, transom windows, and expansive vertical fixed-pane windows at the front entry that provide excellent natural light and curb appeal. Strategically located at the corner of 3rd Street S and 18th Avenue S, the property is positioned within the Salt Creek District, with proximity to Downtown St. Petersburg, the Innovation District, major hospitals and medical facilities, universities, and substantial new development. For businesses seeking a highly accessible, move-in-ready commercial space with excellent visibility, functional amenities, and proximity to St. Petersburg’s urban core, this property offers a compelling opportunity to establish and grow your presence in one of the city’s evolving commercial corridors.

Property details

MLS #
MFRTB8540136
Property type
Mixed Use
Subdivision
N/A
Status
Active
Days on market
N/A
On market date
August 27, 2026
Stories
N/A
Total bathrooms
N/A
Garage spaces
N/A
Parking spaces
N/A
Lot size
0.32 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary
MIDTOWN ACADEMY
0.74 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
311
Student:teacher ratio
10.4:1
District
PINELLAS
Middle
JOHN HOPKINS MIDDLE SCHOOL
1.37 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
3.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
681
Student:teacher ratio
17.0:1
District
PINELLAS
HighCharter
PINELLAS MYCROSCHOOL OF INTEGRATED ACADEMICS AND TECHNOLOGIE
1.14 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
1.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
140
Student:teacher ratio
35.0:1
District
PINELLAS

Walkability

Blended score for ST PETERSBURG's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

85
Highly walkable
out of 100
EPA National Walkability Index
16.3 / 20 -- Most walkable
Google Places amenity density
90 / 100
Restaurants & cafes18
Grocery stores5
Parks12
Schools10
Transit stops20
Pharmacies0

Market position

How this listing compares to current activity in ST PETERSBURG, from live MLS data.

On the market 0 days -- 97 fewer days than ST PETERSBURG's current average of 97 days.
For reference, the median list price across 3,848 active listings in ST PETERSBURG right now is $334,950.

Mortgage calculator

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Est. monthly payment
$373/mo
$7,397 down
$29,587 loan
Principal & interest$192
Property tax (est.)$31
Home insurance (est.)$150

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Data source: Listing information provided by Stellar MLS (mfrmls) via Trestle/CoreLogic. Last updated August 28, 2026.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.