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ActiveSingle Family

$7,488,000

30 Catalpa Dr, Atherton 94027

Beds4
Baths2.5
Sqft2,850
DOM0
No Photos Available

AddressIntel AI Briefing

With an massive lot, low 6% coverage, and a modest 1939-built cottage, this is an exceptional teardown candidate in ultra-wealthy Atherton. The optimal play is to teardown-and-mansionize a new estate up to 18,941 sqft, yielding immense upside. Traditional SB 9 density pathways are completely blocked here due to prime farmland resource constraints.

Property Permit History

No permit history found directly associated with this property's address.

Recent Neighborhood Remodeling (Atherton)

123 Fake Off-Market St
New Construction - Mansion
$3,500,000Issued
06/30/202668 ELENA AVE
ADU COMPLIES - OTHER
--Issued
06/30/202668 ELENA AVE
NEW ACC STR - OTHER
--Issued
06/30/202674 LILAC DR
REROOF - MAIN RES > 5000SF
--Issued
06/30/2026202 ATHERTON AVE
LANDSCAPE WTR EFFICIENT
--Issued
06/30/202668 ELENA AVE
NEW RES - W/BASEMENT
--Issued

Parcel & Zoning Info

APN--
Official Lot Sqft--
Zoning Code--
SB 9 StatusBlocked

Hazard Snapshot

Flood Zone

None
No data available.

Fire Severity

None
Not in a mapped state fire severity zone.

Liquefaction

No data
Seismic data unavailable.

Fault Zone

No data
Seismic data unavailable.

Not a substitute for a Natural Hazard Disclosure (NHD) report. Zones reflect available GIS data and may not cover all localities.

Proprietary Intelligence

Market Heat Index

53/100

Based on recent sales velocity and local demand in 94027.

Flippability Score

85/100

Measures neighborhood renovation density vs. recent permits on this property.

Bidding War Prob.

17%

Likelihood of multiple offers based on local list-to-sale ratios and DOM.

Proforma ROI Calculator

Back-of-the-napkin deal analysis across development strategies.

Based on 2 recent sales in 94027 averaging $2,340/sqft.

Hard Costs$1,710,000
New Build4,275 sqft
Total Capital Required$9,373,000
Estimated Resale (ARV)$10,003,500

Projected Profit

$630,500
6.7% ROI

Warning: Margin is tight for the construction risk.

Recent Comparables (94027)

274 Park Ln

Sold
$18,500,000
Sold: 2026-07-06
Lot: 72,103
Sqft: 6670
$/Sqft: $2,774

31 Rittenhouse Ave

Sold
$4,385,000
Sold: 2026-07-01
Lot: 14,007
Sqft: 2300
$/Sqft: $1,907