601 Sandringham, Austin, TX 78704 | Col Realty  <div id="share-modal" class="share-modal-overlay" onclick="if(event.target===this)closeShare()"> <div class="share-modal-box"> <button class="share-modal-close" onclick="closeShare()">×</button> <h3 class="share-modal-title">Share this home</h3> <p id="share-modal-address" class="share-modal-address"></p> <div class="share-options"> <button class="share-opt" onclick="shareVia('copy')"><span class="share-opt-icon">🔗</span><span>Copy link</span></button> <button class="share-opt" onclick="shareVia('email')"><span class="share-opt-icon">✉️</span><span>Email</span></button> <button class="share-opt" onclick="shareVia('text')"><span class="share-opt-icon">💬</span><span>Text</span></button> <button class="share-opt" onclick="shareVia('facebook')"><span class="share-opt-icon" style="background:#1877f2;color:#fff;border-radius:50%;font-weight:700;font-size:16px;">f</span><span>Facebook</span></button> <button class="share-opt" onclick="shareVia('twitter')"><span class="share-opt-icon" style="background:#000;color:#fff;border-radius:50%;font-size:14px;font-weight:700;">𝕏</span><span>X / Twitter</span></button> <button class="share-opt" onclick="shareVia('whatsapp')"><span class="share-opt-icon">📱</span><span>WhatsApp</span></button> </div> <div id="share-copy-confirm" class="share-copy-confirm" style="display:none;">✅ Link copied to clipboard!</div> </div> </div> <script> const IS_AUTHENTICATED = false; // ── Favorites ────────────────────────────────────────────────────── function handleFavorite(btn, listingId) { if (!IS_AUTHENTICATED) { const modal = document.getElementById('login-modal'); if (modal) modal.style.display = 'flex'; return; } fetch('/accounts/favorite/' + listingId + '/', { method: 'POST', headers: { 'X-CSRFToken': 'KAhjhL5a7Jf6acdAo1SRUqPOHDdWuhSBZZz8m483oEvTDEpgEMPE7zHO03iTXwcO', 'Content-Type': 'application/json' } }) .then(r => r.json()) .then(data => { const saved = data.status === 'added'; btn.classList.toggle('saved', saved); const svg = btn.querySelector('svg'); svg.setAttribute('fill', saved ? '#e02020' : 'none'); svg.setAttribute('stroke', saved ? '#e02020' : 'currentColor'); }); } // ── Sticky nav: show Save/Share when topbar scrolls away ────────── document.addEventListener('DOMContentLoaded', function() { const topbar = document.querySelector('.cr-topbar'); const navActions = document.getElementById('cr-nav-actions'); if (topbar && navActions) { const observer = new IntersectionObserver(function(entries) { entries.forEach(function(entry) { if (!entry.isIntersecting) { navActions.classList.add('visible'); } else { navActions.classList.remove('visible'); } }); }, { threshold: 0, rootMargin: '-80px 0px 0px 0px' }); observer.observe(topbar); } // Sync favorite state between topbar btn and nav btn const topFav = document.getElementById('detail-fav-btn'); const navFav = document.getElementById('nav-fav-btn'); if (topFav && navFav) { const origHandle = topFav.onclick; topFav.onclick = function(e) { handleFavorite(topFav, topFav.dataset.id || topFav.getAttribute('onclick').match(/\d+/)?.[0]); }; // Keep nav fav in sync when topbar fav changes const syncFav = function(mutations) { navFav.className = topFav.className; const svg = topFav.querySelector('svg'); const navSvg = navFav.querySelector('svg'); if (svg && navSvg) { navSvg.setAttribute('fill', svg.getAttribute('fill')); navSvg.setAttribute('stroke', svg.getAttribute('stroke')); } }; new MutationObserver(syncFav).observe(topFav, { attributes: true, subtree: true, attributeFilter: ['class', 'fill', 'stroke'] }); } // Section nav active link on scroll const sections = document.querySelectorAll('[id]'); const navLinks = document.querySelectorAll('.cr-nav a'); const navWrapH = 80 + (document.querySelector('.cr-nav-wrap')?.offsetHeight || 48); window.addEventListener('scroll', function() { let current = ''; sections.forEach(function(sec) { if (window.scrollY >= sec.offsetTop - navWrapH - 20) { current = sec.id; } }); navLinks.forEach(function(a) { a.classList.remove('active'); if (a.getAttribute('href') === '#' + current) a.classList.add('active'); }); }, { passive: true }); }); // ── Share ────────────────────────────────────────────────────────── let _shareUrl = '', _shareAddress = ''; function openShare(address, path) { _shareAddress = address; _shareUrl = window.location.origin + path; document.getElementById('share-modal-address').textContent = address; document.getElementById('share-copy-confirm').style.display = 'none'; document.getElementById('share-modal').style.display = 'flex'; } function closeShare() { document.getElementById('share-modal').style.display = 'none'; } function shareVia(method) { const url = encodeURIComponent(_shareUrl); const text = encodeURIComponent('Check out this home: ' + _shareAddress); if (method === 'copy') { navigator.clipboard.writeText(_shareUrl).then(() => { document.getElementById('share-copy-confirm').style.display='block'; setTimeout(()=>document.getElementById('share-copy-confirm').style.display='none',2500); }); } else if (method === 'email') { window.open('mailto:?subject=Check out this home&body=' + text + '%0A' + url); } else if (method === 'text') { window.open('sms:?body=' + text + '%20' + url); } else if (method === 'facebook') { window.open('https://www.facebook.com/sharer/sharer.php?u=' + url, '_blank'); } else if (method === 'twitter') { window.open('https://twitter.com/intent/tweet?text=' + text + '&url=' + url, '_blank'); } else if (method === 'whatsapp') { window.open('https://wa.me/?text=' + text + '%20' + url, '

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Description

Discover a rare investment opportunity in the heart of Austin’s iconic 78704. Tucked away on a quiet cul-de-sac in the highly coveted Travis Heights neighborhood, 601 Sandringham Circle sits on an oversized .43-acre lot—a true rarity this close to downtown. The existing single-story residence, featuring 3 bedrooms, 2 bathrooms, and a two-car garage, provides a solid starting point for a full-scale renovation or an ideal teardown site for those envisioning a custom home or multi-structure compound. The generous lot size opens the door to endless possibilities, whether you’re looking to create a modern luxury estate, design a high-end duplex, or explore other redevelopment options. Investors will appreciate the unbeatable location: just blocks from Stacy Park and Blunn Creek Greenbelt, perfect for outdoor recreation, and steps from South Congress Avenue’s vibrant shops, dining, and entertainment. With the new flagship H-E-B at Congress & Oltorf and quick access to downtown Austin, this property combines prime location with future growth potential. Opportunities like this—large lots in Travis Heights with redevelopment flexibility—rarely hit the market. For visionary builders, savvy investors, or buyers eager to design their dream space, this property delivers both land value and long-term upside in one of Austin’s most sought-after neighborhoods