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3700 21st Ave, St Petersburg, FL 33713
3700 21st Ave, St Petersburg, FL 33713 3D Tour
3700 21st Ave, St Petersburg, FL 33713 Explore 3D Tour
3700 21st Ave, St Petersburg, FL 33713
3700 21st Ave, St Petersburg, FL 33713
3700 21st Ave, St Petersburg, FL 33713
3700 21st Ave, St Petersburg, FL 33713

3700 21st Ave St Petersburg, FL 33713

$619,000

ACTIVE
Beds
3
Baths
2
Sqft
1,872
Acres
0.25
Year
1961
Days on Site
73
Property Type
Residential
Sub Type
Single Family
Per Square Foot
$331
Date Listed
Jan 14, 2026

Description of 3700 21st Ave, St Petersburg, FL 33713

Listing details for 3700 21st Ave, St Petersburg, FL 33713 : Welcome to this spacious and well-appointed single-story, block construction pool home on the tranquil shores of Lake Harshaw 2. Offering three bedrooms, two baths and approximately 1,872 square feet of living space, this residence combines generous proportions, thoughtful upgrades and an exceptional central location. The interior features expansive rooms throughout, including a formal dining area just off the large kitchen, ideal for everyday living and entertaining. The kitchen offers a pantry, oversized island with abundant storage and ample workspace, creating a functional hub for gatherings large and small. A light-filled Florida room seamlessly opens to the backyard, extending the living space and providing direct access to the pool and outdoor lounging areas. Set on an oversized one-third-acre lot, the outdoor space is designed for relaxation and recreation, with plenty of room for poolside enjoyment, gardening or creating your private oasis overlooking the lake. Notable upgrades include fresh paint, solar panels installed in 2016, automatic hurricane shutters added in 2018, a new roof in 2018 and a new air-conditioning system in 2022. The home is high and dry, outside of the flood zone, and has never experienced hurricane damage, offering peace of mind along with lakefront serenity. The Harshaw neighborhood is ideally located, providing easy access to shops, restaurants and everyday conveniences. Downtown St. Petersburg is just 10 minutes away, world-class Gulf beaches are within 15 minutes, and interstate access is only three minutes from your door. Nearby favorites include Mazzaro’s Italian Market, grocery stores, Starbucks and a variety of dining options. This lakefront gem presents a rare opportunity to personalize a well-maintained home in a prime location. Properties like this don’t last so schedule your private showing today.
Listing Updated : 02-03-2026 at 11:35 AM EST
Listing Provided By : Tyler Jones, 727-898-6800, PREMIER SOTHEBYS INTL REALTY
Source :

Stellar MLS as distributed by MLS GRID, MLS#: MFRTB8459261

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Based on information submitted to the MLS GRID as of 2026-04-16 at 2:06 p.m. EDT. 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

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Listing data comes from My Florida Regional MLS DBA Stellar MLS.