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ActiveMulti-Family

$2,328,000

4 Warren Rd, San Mateo 94401

Beds4
Baths2
Sqft3,450
DOM0
No Photos Available

AddressIntel AI Briefing

An SB 9 lot split is blocked because SB 9 is not applicable to this parcel. The existing house is already at the maximum FAR size, leaving cosmetic renovation of the large structure as the only viable play.

Property Permit History

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

Recent Neighborhood Remodeling (San Mateo)

2026-08-04725 E 16TH AVE SAN MATEO 94402-2131 CA
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat)
$20,388Issued
2026-08-04520 BUCKNELL DR SAN MATEO 94402-3250 CA
Single Family (Addition) - Add/Alter
$275,473Issued
2026-08-03116 POWELL ST SAN MATEO CA 94401-2033
Single Family (Addition) - Add/Alter
$268,896Issued
2026-08-032831 MONTEREY ST Unit: B SAN MATEO CA 94403
Single Family (New) - New
$123,326Issued
2026-07-31440 EDGEWOOD RD SAN MATEO 94402-1163 CA
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat)
$28,397Issued
2026-07-31908 9TH AVE SAN MATEO CA 94402-1434
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat)
$17,000Issued

Parcel & Zoning Info

APN032061010
Official Lot Sqft6,851
Zoning CodeNO DATA ASSIGNED
SB 9 StatusN/A

Hazard Snapshot

Flood Zone

X
Area of minimal flood hazard.

Fire Severity

None
Not in a mapped state fire severity zone.

Liquefaction

No
Not in a mapped liquefaction zone.

Fault Zone

No
Not in a mapped Alquist-Priolo 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

Elementary School

San Mateo Park Elementary

San Mateo-Foster City

0.3 miles away
Middle School

Crocker Middle

Hillsborough City Elementary

1.3 miles away
High School

Burlingame High

San Mateo Union High

0.7 miles away

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

35/100

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.

Median of 6 recent sales in 94401: $688/sqft. Too few same-type sales in this zip, so the mix includes other property types.

Hard Costs$2,080,000
New Build5,200 sqft
Total Capital Required$4,583,000
Estimated Resale (ARV)$3,577,600

Projected Profit

-$1,005,400
-21.9% ROI

Warning: Project is mathematically underwater.

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