Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$185,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 2 Beds
  • 1 Full Bath
  • 804 Sq. Ft.
  • Updated 2 days ago
See This Home
Save This Home
See This Home
Save This Home
Virtually Staged. Welcome to this charming and inviting single-story home in the Childs Park community! Built in 1925, this adorable 2-bedroom, 1-bath home offers 804 square feet of comfortable living space filled with character and charm. Enjoy a cozy living room featuring a fireplace, creating the perfect setting for relaxing or entertaining. The home is in excellent condition and offers a warm, welcoming atmosphere throughout. The outdoor space provides additional room to relax and enjoy the Florida sunshine. With its delightful character and appealing features, this home is a must-see! Schedule your showing today!

Full Property Details for 3521 21st Ave S

General

  • Price: $185,000
  • Taxes: $2,357 (2025)
  • Status: Active
  • Type: Single Family
  • Source: MidFloridaRegionalMLS
  • MLS ID: O6452444
  • Updated: 10/27/2026
  • Added to Site: 3 day(s) ago

Rental Information

  • Min. Lease: No Minimum

Interior

  • Number of Rooms: 5
  • Interior Features: Ceiling Fan(s)
  • Fireplace: Yes
  • Fireplace(s): Living Room
  • Appliances: Built-In Oven, Refrigerator
  • Furnishings: Unfurnished
  • Flooring: Other

Rooms

Bathrooms

  • Total Bathrooms: 1
  • Full Bathrooms: 1

Bedrooms

  • Total Bedrooms: 2

Other Rooms

  • Laundry: Inside

Exterior

  • Exterior Features: Sidewalk

Location

  • Area: 33711 - St Pete/Gulfport
  • County: Pinellas
  • Development Name: 33711 - St Pete/Gulfport
  • Subdivision: CHILDS PARK
  • Driving Directions: From I-275 S, take Exit 19 for 22nd Ave S. Head west on 22nd Ave S, turn right onto 34th St S, then left onto 21st Ave S. Continue to the property on the right
  • Direction Faces: South

Community

  • Community Name: 33711 - St Pete/Gulfport

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Other
  • Water: See Remarks
  • Utility Description: Other

Structural Information

  • Exterior Const.: Block, Vinyl Siding
  • Roof: Shingle
  • Stories/Levels: One
  • Square Feet: 804
  • Sq. Ft. Source: Public Records
  • Year Built: 1925

Lot Features

  • Lot Size (Acres): 0.08
  • Lot Size (Sq. Ft.): 3,328
  • Lot Size: 3328
  • Street/Road Desc.: Paved

Financial Considerations

  • Tax Amount: $2,357
  • Tax Year: 2025

Disclosures and Reports

  • Ownership: Fee Simple
  • Special Conditions: None
  • Legal Description: CHILDS PARK BLK 5, E 1/2 OF S 1/2 OF LOT 11
  • Flood Zone Info: X
  • APN: 273116154080050111
  • Property ID: 273116154080050111
  • Block/Lot/Section: 5

Listed by Mainstay Brokerage Llc

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agent

— 3521 21st Ave S —

  • Mainstay Brokerage Llc

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 3521 21st Ave S

School District:Pinellas County School District
NameGradesDistance
Fairmount Park Elementary School
575 41st St S, St. Petersburg, FL 33711
PK-51.2 mi
Azalea Middle School
7855 22nd Ave N, St. Petersburg, FL 33710
6-85 mi
Gibbs High School
850 34th St S, St. Petersburg, FL 33711
9-120.8 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 3521 21st Ave S Get Price Alerts and Save Property

Date
Details
Price
Change
Source
10/27/2026
Listed
$185,000
1221.43%
MLS
11/17/2008
Sold
$14,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 3521 21st Ave S

Year
Property Taxes
Change
Tax Assessment
Change
2024
$2,152
—
$132,380
1%
2024
$2,152
16%
$130,516
38%
2023
$1,848
171%
$94,615
54%
2021
$681
-60%
$61,383
-27%
2022
$1,683
147%
$83,999
42%
2021
$681
24%
$59,295
260%
2019
$547
41%
$16,470
10%
2018
$387
9%
$14,973
-30%
2017
$354
17%
$21,328
33%
2016
$303
11%
$15,987
19%
2015
$273
17%
$13,410
31%
2014
$234
-42%
$10,227
-41%
2013
$402
—
$17,411
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 3521 21st Ave S

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Mainstay Brokerage Llc

Similar Properties near 3521 21st Ave S

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

5621 13th Ave S, Gulfport, FL 33707 - Photo 1
$188,000

5621 13th Ave S  Gulfport, FL 33707

  • Single Family
  • Active
  • 2
    Beds
  • 1
    Total Bath
  • 720
    Sq. Ft.
Listed by Caldwell Realty
4480 Newark St N, Saint Petersburg, FL 33714 - Photo 1 Price Reduced
-$10,000 (-5%)
$189,990

4480 Newark St N  Saint Petersburg, FL 33714

  • Single Family
  • Active
  • Updated 1 day ago
  • 2
    Beds
  • 1
    Total Bath
  • 576
    Sq. Ft.
Listed by Dalton Wade Inc
639 N 75th Ave N, Saint Petersburg, FL 33702 - Photo 1
$185,000

639 N 75th Ave N  Saint Petersburg, FL 33702

  • Single Family
  • Active
  • 2
    Beds
  • 1
    Total Bath
  • 832
    Sq. Ft.
Listed by Better Choice Real Estate
321 83rd Ave NE, Saint Petersburg, FL 33702 - Photo 1
$185,000

321 83rd Ave NE  Saint Petersburg, FL 33702

  • Single Family
  • Active
  • 2
    Beds
  • 1
    Total Bath
  • 1,164
    Sq. Ft.
Listed by Century 21 Re Champions

Just Listed near 3521 21st Ave S

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

5115 28th Ave S, Gulfport, FL 33707 - Photo 1 Just Listed
$860,000

5115 28th Ave S  Gulfport, FL 33707

  • Multi-Family
  • Active
  • Updated 8 days ago
  • 4
    Units
  • 0.2
    Acres
Listed by Century 21 Re Champions
6020 Shore Blvd S, Gulfport, FL 33707 - Photo 1 Just Listed
$239,000

6020 Shore Blvd S  #107  Gulfport, FL 33707

  • Condo
  • Active
  • Updated 1 day ago
  • 1
    Bed
  • 2
    Total Baths
  • 1,170
    Sq. Ft.
Listed by Sellers Express Realty Inc
5719 29th Ave S, Gulfport, FL 33707 - Photo 1 Just Listed
$649,000

5719 29th Ave S  Gulfport, FL 33707

  • Lots/Land
  • Active
  • Updated 3 days ago
  • 0.23
    Acres
Listed by Dean & Dewitt Properties
2850 59th Street S, Gulfport, FL 33707 - Photo 1 Just Listed
$147,000

2850 59th Street S  #112  Gulfport, FL 33707

  • Condo
  • Active
  • Updated 8 days ago
  • 1
    Bed
  • 1
    Total Bath
  • 1,060
    Sq. Ft.
Listed by Sellers Express Realty Inc

Price Reduced near 3521 21st Ave S

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

5935 30th Ave S, Gulfport, FL 33707 - Photo 1 Price Reduced
-$2,000 (-0.8%)
$248,000
Open House

5935 30th Ave S  #104  Gulfport, FL 33707

  • Condo
  • Active
  • Updated 5 days ago
  • 1
    Bed
  • 1
    Total Bath
  • 1,060
    Sq. Ft.
Listed by Forever Florida Real Estate
2818 Upton St S, Gulfport, FL 33711 - Photo 1 Price Reduced
-$20,000 (-5.28%)
$359,000

2818 Upton St S  Gulfport, FL 33711

  • Single Family
  • Active
  • Updated 1 day ago
  • 3
    Beds
  • 1
    Total Bath
  • 926
    Sq. Ft.
Listed by Digi Realty Group, Inc.
5410 14th Ave S, Gulfport, FL 33707 - Photo 1 Price Reduced
-$15,000 (-5.1%)
$279,000

5410 14th Ave S  Gulfport, FL 33707

  • Single Family
  • Active
  • Updated 3 days ago
  • 3
    Beds
  • 1
    Total Bath
  • 986
    Sq. Ft.
Listed by Ez Home Choice Llc
5825 21st Ave. S, Gulfport, FL 33707 - Photo 1 Price Reduced
-$100 (-0.02%)
$489,800

5825 21st Ave. S  Gulfport, FL 33707

  • Single Family
  • Active
  • Updated 3 days ago
  • 3
    Beds
  • 1
    Total Bath
  • 1,543
    Sq. Ft.
Listed by Savvy Avenue, Llc

Recent Sales near 3521 21st Ave S

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

3450 17th Ave S, Saint Petersburg, FL 33711 - Photo 1 Sold
$200,000

3450 17th Ave S  Saint Petersburg, FL 33711

  • Single Family
  • Closed
  • 4
    Beds
  • 1
    Total Bath
  • 1,078
    Sq. Ft.
Listed by Bianchi Realty & Property Management Inc.
Sold by Century 21 Beggins
3305 Oakley Ave, Saint Petersburg, FL 33712 - Photo 1 Sold
$205,000

3305 Oakley Ave  Saint Petersburg, FL 33712

  • Single Family
  • Closed
  • 3
    Beds
  • 2
    Total Baths
  • 1,152
    Sq. Ft.
Listed by Dalton Wade Inc
Sold by Robert Slack Llc
1635 40th St S, Saint Petersburg, FL 33711 - Photo 1 Sold
$212,000

1635 40th St S  Saint Petersburg, FL 33711

  • Single Family
  • Closed
  • 4
    Beds
  • 1
    Total Bath
  • 1,135
    Sq. Ft.
Listed by Moore Creative Realty
Sold by Premium Properties R.E Service
1752 42nd St S, Saint Petersburg, FL 33711 - Photo 1 Sold
$170,000

1752 42nd St S  Saint Petersburg, FL 33711

  • Single Family
  • Closed
  • 2
    Beds
  • 1
    Total Bath
  • 665
    Sq. Ft.

3521 21st Avenue S, Saint Petersburg, FL 33711 (MLS# O6452444) is a Single Family property with 2 bedrooms and 1 full bathroom. 3521 21st Avenue S is currently listed for $185,000 and was received on October 27, 2026. Want to learn more about 3521 21st Avenue S? Do you have questions about finding other Single Family real estate for sale in Saint Petersburg? You can browse all Saint Petersburg real estate or contact a Coldwell Banker agent to request more information.

Tour this property