diff --git a/apps/web/components/charts/district-heatmap.tsx b/apps/web/components/charts/district-heatmap.tsx
index 1104ee5..ce747a7 100644
--- a/apps/web/components/charts/district-heatmap.tsx
+++ b/apps/web/components/charts/district-heatmap.tsx
@@ -160,24 +160,32 @@ export function DistrictHeatmap({ data, city, className, onDistrictClick }: Dist
       const ratio = point.avgPriceM2 / maxPrice;
       const size = 36 + ratio * 28; // 36px to 64px
 
+      // Mapbox writes `transform: translate(...)` on the marker element;
+      // hover-scaling the outer element clobbers it. Scale an inner div
+      // instead.
       const el = document.createElement('button');
-      el.style.cssText = `
-        width: ${size}px; height: ${size}px;
+      el.style.cssText = `width: ${size}px; height: ${size}px; padding: 0; border: none; background: transparent; cursor: pointer;`;
+      const inner = document.createElement('div');
+      inner.style.cssText = `
+        width: 100%; height: 100%;
         border-radius: 50%; border: 2px solid white;
         background: ${priceColor(ratio)};
-        opacity: 0.8; cursor: pointer;
+        opacity: 0.8;
         display: flex; align-items: center; justify-content: center;
         font-size: 10px; font-weight: 700; color: white;
         text-shadow: 0 1px 2px rgba(0,0,0,0.5);
         box-shadow: 0 2px 6px rgba(0,0,0,0.3);
         transition: transform 0.15s, opacity 0.15s;
+        transform: scale(1);
         padding: 2px;
         line-height: 1.1;
         text-align: center;
+        pointer-events: none;
       `;
-      el.textContent = point.district.replace(/^Quan\s*/i, 'Q.').replace(/^Huyen\s*/i, 'H.');
-      el.addEventListener('mouseenter', () => { el.style.opacity = '1'; el.style.transform = 'scale(1.15)'; });
-      el.addEventListener('mouseleave', () => { el.style.opacity = '0.8'; el.style.transform = 'scale(1)'; });
+      inner.textContent = point.district.replace(/^Quan\s*/i, 'Q.').replace(/^Huyen\s*/i, 'H.');
+      el.appendChild(inner);
+      el.addEventListener('mouseenter', () => { inner.style.opacity = '1'; inner.style.transform = 'scale(1.15)'; });
+      el.addEventListener('mouseleave', () => { inner.style.opacity = '0.8'; inner.style.transform = 'scale(1)'; });
       el.addEventListener('click', (e) => {
         e.stopPropagation();
         onDistrictClick?.(point.district);
diff --git a/apps/web/components/du-an/project-map.tsx b/apps/web/components/du-an/project-map.tsx
index 2d415e1..3bbdda2 100644
--- a/apps/web/components/du-an/project-map.tsx
+++ b/apps/web/components/du-an/project-map.tsx
@@ -80,9 +80,12 @@ export function ProjectMap({ projects, className }: ProjectMapProps) {
     const bounds = new mapboxgl.LngLatBounds();
 
     geoProjects.forEach((project) => {
+      // Mapbox owns `transform: translate(...)` on the marker element.
+      // Apply hover scale to an inner wrapper so we don't clobber it.
       const el = document.createElement('div');
       el.className = 'project-map-marker';
-      el.style.cssText = `
+      const inner = document.createElement('div');
+      inner.style.cssText = `
         background: hsl(var(--card));
         color: hsl(var(--card-foreground));
         border-radius: 8px;
@@ -94,16 +97,18 @@ export function ProjectMap({ projects, className }: ProjectMapProps) {
         cursor: pointer;
         border-left: 3px solid hsl(var(--primary));
         transition: transform 0.15s;
+        transform: scale(1);
         max-width: 160px;
         overflow: hidden;
         text-overflow: ellipsis;
       `;
-      el.textContent = project.name;
+      inner.textContent = project.name;
+      el.appendChild(inner);
       el.addEventListener('mouseenter', () => {
-        el.style.transform = 'scale(1.05)';
+        inner.style.transform = 'scale(1.05)';
       });
       el.addEventListener('mouseleave', () => {
-        el.style.transform = 'scale(1)';
+        inner.style.transform = 'scale(1)';
       });
 
       const statusLabel = PROJECT_STATUS_LABELS[project.status];
diff --git a/apps/web/components/khu-cong-nghiep/park-map.tsx b/apps/web/components/khu-cong-nghiep/park-map.tsx
index 005f646..52db958 100644
--- a/apps/web/components/khu-cong-nghiep/park-map.tsx
+++ b/apps/web/components/khu-cong-nghiep/park-map.tsx
@@ -76,9 +76,12 @@ export function ParkMap({ parks, className }: ParkMapProps) {
     const bounds = new mapboxgl.LngLatBounds();
 
     geoParks.forEach((park) => {
+      // Mapbox owns `transform: translate(...)` on the marker element.
+      // Apply hover scale to an inner wrapper so we don't clobber it.
       const el = document.createElement('div');
       el.className = 'park-map-marker';
-      el.style.cssText = `
+      const inner = document.createElement('div');
+      inner.style.cssText = `
         background: hsl(var(--card));
         color: hsl(var(--card-foreground));
         border-radius: 8px;
@@ -90,16 +93,18 @@ export function ParkMap({ parks, className }: ParkMapProps) {
         cursor: pointer;
         border-left: 3px solid hsl(var(--primary));
         transition: transform 0.15s;
+        transform: scale(1);
         max-width: 160px;
         overflow: hidden;
         text-overflow: ellipsis;
       `;
-      el.textContent = park.name;
+      inner.textContent = park.name;
+      el.appendChild(inner);
       el.addEventListener('mouseenter', () => {
-        el.style.transform = 'scale(1.05)';
+        inner.style.transform = 'scale(1.05)';
       });
       el.addEventListener('mouseleave', () => {
-        el.style.transform = 'scale(1)';
+        inner.style.transform = 'scale(1)';
       });
 
       const statusLabel = PARK_STATUS_LABELS[park.status];
diff --git a/apps/web/components/neighborhood/neighborhood-poi-map.tsx b/apps/web/components/neighborhood/neighborhood-poi-map.tsx
index 95326d2..632f5b1 100644
--- a/apps/web/components/neighborhood/neighborhood-poi-map.tsx
+++ b/apps/web/components/neighborhood/neighborhood-poi-map.tsx
@@ -122,11 +122,20 @@ export function NeighborhoodPOIMap({
     visiblePois.forEach((poi) => {
       const config = POI_CATEGORY_CONFIG[poi.category];
 
+      // Mapbox Marker writes its own `transform: translate(Xpx, Ypx)…` on
+      // the element it's given. If we mutate `el.style.transform` (e.g. to
+      // scale on hover), it clobbers the translate and the marker snaps to
+      // (0, 0). Wrap the visible circle in an INNER div and scale that
+      // instead, leaving Mapbox's outer transform untouched.
       const el = document.createElement('div');
       el.className = 'poi-marker';
-      el.style.cssText = `
-        width: 32px;
-        height: 32px;
+      el.style.cssText = `width: 32px; height: 32px; cursor: pointer;`;
+      el.title = `${poi.name} (${config.label})`;
+
+      const inner = document.createElement('div');
+      inner.style.cssText = `
+        width: 100%;
+        height: 100%;
         border-radius: 50%;
         background: ${config.color};
         border: 2px solid white;
@@ -134,22 +143,18 @@ export function NeighborhoodPOIMap({
         display: flex;
         align-items: center;
         justify-content: center;
-        cursor: pointer;
         transition: transform 0.15s;
+        transform: scale(1);
+        pointer-events: none;
       `;
-      el.innerHTML = POI_MARKER_SVG[poi.category];
-      el.title = `${poi.name} (${config.label})`;
-      // Inner SVG would otherwise swallow the click before Mapbox's marker
-      // handler sees it — mark it as passthrough so pointer events hit the
-      // wrapping .poi-marker div that Mapbox bound setPopup to.
-      const innerSvg = el.querySelector('svg');
-      if (innerSvg) innerSvg.style.pointerEvents = 'none';
+      inner.innerHTML = POI_MARKER_SVG[poi.category];
+      el.appendChild(inner);
 
       el.addEventListener('mouseenter', () => {
-        el.style.transform = 'scale(1.3)';
+        inner.style.transform = 'scale(1.3)';
       });
       el.addEventListener('mouseleave', () => {
-        el.style.transform = 'scale(1)';
+        inner.style.transform = 'scale(1)';
       });
 
       const popup = new mapboxgl.Popup({ offset: 20, closeButton: true, closeOnClick: true })
diff --git a/apps/web/components/valuation/comparables-map.tsx b/apps/web/components/valuation/comparables-map.tsx
index 065c1bf..4924130 100644
--- a/apps/web/components/valuation/comparables-map.tsx
+++ b/apps/web/components/valuation/comparables-map.tsx
@@ -127,10 +127,14 @@ export function ComparablesMap({
 
     geoComparables.forEach((comp) => {
       const color = similarityColor(comp.similarity);
+      // Mapbox owns `transform: translate(...)` on the outer element;
+      // apply hover scale to an inner wrapper to avoid clobbering it.
       const el = document.createElement('div');
       el.setAttribute('data-testid', 'comparables-map-marker');
-      el.style.cssText = `
-        background: white;
+      const inner = document.createElement('div');
+      inner.style.cssText = `
+        background: hsl(var(--card));
+        color: hsl(var(--card-foreground));
         border-radius: 8px;
         padding: 4px 8px;
         font-size: 11px;
@@ -140,16 +144,18 @@ export function ComparablesMap({
         cursor: pointer;
         border-left: 3px solid ${color};
         transition: transform 0.15s;
+        transform: scale(1);
         max-width: 180px;
         overflow: hidden;
         text-overflow: ellipsis;
       `;
-      el.textContent = formatPrice(comp.priceVND);
+      inner.textContent = formatPrice(comp.priceVND);
+      el.appendChild(inner);
       el.addEventListener('mouseenter', () => {
-        el.style.transform = 'scale(1.08)';
+        inner.style.transform = 'scale(1.08)';
       });
       el.addEventListener('mouseleave', () => {
-        el.style.transform = 'scale(1)';
+        inner.style.transform = 'scale(1)';
       });
 
       const popup = new mapboxgl.Popup({