857 21ST Avenue N Virtually Staged. Welcome to your charming 1936 Craftsman-style pool home in the highly sought-after Crescent Lake neighborhood, where brick streets, mature oak trees, and a true sense of community create one of St. Petersburg's most beloved places to call home. Updated in all the right places while preserving the charm of the original era, this four-bedroom, two-bath residence offers approximately 1, 929 heated square feet, plus an additional 246 square feet of finished flex space not reflected in the public records. From the original heart pine floors and original Cuban tile to the thoughtful updates throughout, this home is filled with warmth and character. Abundant natural light, beautiful wood flooring, and timeless architectural details create an inviting atmosphere that feels both historic and comfortably livable. The flexible floor plan adapts easily to the way you live, with inviting living and dining spaces, an expanded kitchen with ample storage, and a first-floor bedroom that can serve as a home office, den, guest space, or private retreat. Three additional bedrooms and a full bath are located upstairs. The enclosed front porch, featuring original Cuban tile, adds even more versatility as a playroom, creative space, home office, or whatever best fits your lifestyle. Out back, the pace shifts to a private outdoor retreat centered around a saltwater pool. Framed by mature landscaping, the wraparound deck and paver patio create inviting spaces for entertaining, dining, lounging poolside, or simply enjoying the Florida lifestyle. Recent improvements provide added peace of mind, including a new upstairs AC (2025), downstairs AC (2023), new ductwork (2025), whole-house water filtration and softener system (2024), copper plumbing, updated irrigation system with Bluetooth monitoring, new pool pump and filter (2025), deck repairs and paint (2026), updated downstairs bath, Lexan hurricane shutters, and more. Rare off-street parking for a historic home includes a tandem carport in front and additional alley access parking on the paved parking pad. Located in Flood Zone X and just blocks from Crescent Lake Park, this home puts you close to neighborhood favorites while downtown St. Petersburg's waterfront parks, restaurants, museums, arts, and entertainment are only minutes away. With convenient access to I-275 and so much of what makes St. Pete special within easy reach, this is a rare opportunity to enjoy the character of a historic neighborhood with the energy of the city close at hand.