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$499,999

345 21st Ave S Saint Petersburg, FL 33705

3 beds
2 full
1,528 sqft
0.2 acres
$327 / sqft
House

Property details

About 345 21st Ave S

LIVE IN PARADISE in the heart of OLD SOUTHEAST! Just minutes from vibrant Downtown St. Petersburg, this fully renovated home features an ADU that can either be used for extra income or an in-law suite. Nestled just four blocks from Lassing Park, and close to USF St. Pete, Bayfront & Johns Hopkins Hospitals, this property features two detached units: a 2-bed/1-bath front home and a 1-bed/1-bath ADU with a private fenced yard and alley access. Each unit is separately metered for electric, with a tenant covering their own utilities. Whether you’re an investor seeking strong rental income (with a history of consistent occupancy), or a buyer looking to live in one unit while renting the other, this property delivers. The neighborhood is rapidly growing with redevelopment and rising property values, making this an ideal opportunity for both immediate cash flow and long-term appreciation. Don’t miss your chance to Live and Own or simply invest in one of St. Pete’s most desirable and walkable neighborhoods!

Highlights

Home typeSingle Family Residence
HeatingHeat Pump
StatusActive
CoolingCentral Air
Size1,528 sqft
Lot size0.16 Acres
Year built1945
MLS #TB8388215
FireplaceLiving Room

Virtual tour

Summary

  • Full Bathrooms: 2
  • Appliances: Range
  • Flooring Type: Ceramic Tile
  • Interior: Primary Bedroom Main Floor
  • Fireplace: Living Room
  • Total Bedroom Count: 3
  • Private Pool: No
  • Exterior: Sidewalk
  • Heating: Heat Pump
  • Cooling: Central Air
  • List Price: $499,999
  • Price/SqFt: $327
  • HOA Amount: $0
  • Annual Tax Amount: $7,769
  • Tax Year: 2023
  • Directions: From 4th Street S, turn east on 21st Ave S. The property is on the left 1 block.
  • Year Built: 1945
  • Living Area: 1,528 SqFt
  • Lot Size: 0.16 Acres
  • MLS Number: TB8388215
  • MLS Name: MFRMLS
  • Office Name: KELLER WILLIAMS ST PETE REALTY
  • Office Phone: (727) 894-1600
  • Listing Agent: Scott Turner

IDX Listings courtesy of Stellar MLS as distributed by MLS GRID.

All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS.

DMCA Notice

IDX Copyright 2025 My Florida Regional Multiple Listing Service DBA Stellar MLS. The real estate listing data marked with this icon comes from the IDX program of the Stellar MLS system. All information provided is deemed reliable but is not guaranteed and should be independently verified. Listings displayed on this website may be subject to prior sale or removal from sale; availability of any listing should always be independently verified. Listing information is provided exclusively for consumers’ personal, non-commercial use, solely to identify potential properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law. Properties displayed may be listed or sold by various participants in the MLS.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 7/20/2025, 11:34:30 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.

Price information

Property sales

DateEventPrice
Nov 25, 2020
Home Sold
$350,000
May 08, 2017
Home Sold
$105,000
Mar 01, 2005
Home Sold
$108,500
Nov 09, 2004
Home Sold
$79,900
Oct 17, 2001
Home Sold
$57,000

Tax history

YearAssessmentProperty Tax
2023$456,405$7,769
2022$330,408$6,618
2021$300,833$6,618
2020$198,304$6,323
2019$163,033$3,700
2018$148,212$3,218
2017$140,644$2,621

History based on county public records data.

Nearby schools

6

Midtown Academy

Public Magnet KG-5

0.7 mi

1701 10th St S

6

Campbell Park Elementary

Public District PK-5

1.2 mi

1051 7th Ave S

5

Melrose Elementary

Public Magnet PK-5

1.3 mi

1752 13th Ave S

School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.

All data from GreatSchools

Neighborhood

The neighbors living near this home have an average income of $27,609. Most Saint Petersburg, FL residents have annual incomes less than $<35k. The most common type of family is single, no kids. The most common level of education of people living in this area is post secondary degree.

How much money do the neighbors make?

65%
<35k
28%
35k-100k
7%
100k-200k
0%
200k+

What level of education do the neighbors have?

High School Diploma
Post Secondary Degree
Masters Degree

What types of families live nearby?

61%
Single, No Kids
19%
Single, with Kids
14%
Married, No Kids
6%
Married, with Kids

Are the neighbors home owners or renters?

Home Owners
Renters

How old are people in this area?

14%
<11 yrs old
6%
12-17 yrs old
23%
18-34 yrs old
50%
35-64 yrs old
7%
65+ yrs old

What do the neighbors do for fun?

  • Pro BoxingPro Boxing
  • Figure SkatingFigure Skating
  • SoccerSoccer

Where do the neighbors shop?

  • BurlingtonBurlington
  • Family DollarFamily Dollar
  • Chico'sChico's

Where do the neighbors go to eat?

  • PopeyesPopeyes
  • Church's ChickenChurch's Chicken
  • Bob EvansBob Evans

What do the neighbors drive?

  • DodgeDodge
  • CadillacCadillac
  • OldsmobileOldsmobile

What do the neighbors listen to?

  • Urban ContemporaryUrban Contemporary
  • JazzJazz
  • NewsNews
All data provided by Home Junction and Claritas

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Frequently asked questions

About 345 21st Ave S

The listing price of 345 21st Ave S property is $499,999.

The property 345 21st Ave S is a house located in Saint Petersburg, Florida, 33705.

Active Listing: 345 21st Ave S is For Sale (Active/New) which means the seller is accepting offers.

The nearby schools for 345 21st Ave S are: Midtown Academy (GreatSchools Rating 6/10), Campbell Park Elementary (GreatSchools Rating 6/10), Melrose Elementary (GreatSchools Rating 5/10), John Hopkins Middle School (GreatSchools Rating 4/10), James B. Sanderlin K-8 (GreatSchools Rating 7/10), Bay Point Middle School (GreatSchools Rating 5/10), Pinellas Mycroschool of Integrated Academics and Technologie (GreatSchools Rating 1/10), Lakewood High School (GreatSchools Rating 4/10), Gibbs High School (GreatSchools Rating 3/10).

According to the records, the last property tax for 2023 is $7,769 (source: MLS/based on county public records data).

The last sale was on November 25, 2020 for $350,000 (source: MLS/tax record).

The property at 345 21st Ave S has 3 bedrooms and 2 bathrooms.

The property 345 21st Ave S is 1,528 SqFt (source: MLS/tax record).

The year of construction for 345 21st Ave S is 1945.

This home is located at 345 21st Ave S in Saint Petersburg, FL and zip code 33705 in the Old Southeast neighborhood. This 1,528 square foot home, which was built in 1945, sits on a 0.16 acre lot. Features: 3 bedrooms, 2 bathrooms. It has been listed on Rocket Homes since May 20, 2025 and is currently priced at $499,999.

Over 41 listings were sold over their listed price in June 2025 in Saint Petersburg, FL. In the same period over 264 listings were sold below the listed price and 65 listings were sold for the listed price. The number of homes for sale in Saint Petersburg, FL decreased by 0.3% between May and June 2025. Listings spent 60 days on the market in June 2025, and had a median list price of $430,570 during the same period.

From Rocket Homes Real Estate and based on county public records data.

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