$1,150,000
240 N Fremont St, San Mateo 94401
AddressIntel AI Briefing
This 90-year-old home in original condition with low lot coverage is a prime teardown-and-mansionize target. However, the liquefaction hazard zone and weaker census block demographics present moderate risk to achieving the theoretical ARV ceiling.
Property Permit History
| Date | Project Type | Status | Valuation | Contractor |
|---|---|---|---|---|
| 2026-07-28 | Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat) | Issued | $7,000 | Unknown |
| 2026-07-16 | Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat) | Issued | $29,000 | SCHICKER INC |
Recent Neighborhood Remodeling (San Mateo)
Parcel & Zoning Info
ADU Potential
Flag / irregular · ~121 ft frontage × 131 ft deep, a tucked-away rear unit is very private; access is typically via the pole driveway.
Screening heuristic based on lot size, existing coverage, lot orientation, and hazard overlays. CA ADU law is ministerial statewide; verify max size, setbacks, and JADU owner-occupancy with the local planning dept.
Seller Motivation
Inferred from days on market and listing-description language (e.g. "as-is", "estate sale", "motivated seller"). A screening heuristic for likely negotiability, not a statement about the seller's circumstances.
Redevelopment Potential
Small, older home using a low share of the allowable building envelope on a sizable lot, a scrape-and-rebuild or major-expansion play. Zoning allows roughly 3,090 sqft of gross floor area on this lot.
Screening estimate comparing existing living area to the city's single-family floor-area limit. FAR figure is a discretionary-review trigger, not a hard cap. Treat as approximate. Source: San Mateo Muni Code 27.18.060 (R1-B/C default; district unresolved) (as of 2026-08-24). Verify FAR, coverage, setbacks, and height with the local planning dept.
Hazard Snapshot
Flood Zone
Fire Severity
Liquefaction
Fault Zone
Not a substitute for a Natural Hazard Disclosure (NHD) report. Zones reflect available GIS data and may not cover all localities.
Nearby Public Schools
College Park Elementary
San Mateo-Foster City
Borel Middle
San Mateo-Foster City
The Bridge Academy
San Mateo Union High
School boundaries are subject to change. Nearest school distance does not guarantee enrollment eligibility. Check with the local district. Data provided by CDE.
Proprietary Intelligence
Market Heat Index
68/100
Based on recent sales velocity and local demand in 94401.
Flippability Score
85/100
Measures neighborhood renovation density vs. recent permits on this property.
Bidding War Prob.
47%
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.
Zoning allows roughly 3,090 sqft on this lot, and the default builds to that envelope. The FAR figure is a discretionary-review trigger, not a hard cap.
Median of 9 recent single-family sales in San Mateo (94401): $828/sqft. Sized within 25% of the 3,100 sqft build, because smaller houses sell for more per foot and pricing a rebuild off them overstates resale.
Commission, transfer tax and closing. Deducted from resale before profit, so the ROI below is net of the exit rather than gross.
Carry on total capital for the project duration. At 0% the model is a cash purchase; 12 months at a typical construction-loan rate moves ROI by 6 to 10 points on a deal this size, so price it with your real rate.
Projected Profit
Warning: Project is mathematically underwater.
Recent Comparables (San Mateo 94401)
Sized to the modelled 3,100 sqft build: sales within 25% of it. Smaller houses sell for more per foot, so pricing a rebuild off them overstates resale.