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ActiveSingle Family

$2,888,000

1719 Monticello Rd, San Mateo 94402

Beds4
Baths3
Sqft2,020
DOM13
No Photos Available

AddressIntel AI Briefing

The optimal play on this 7,400+ sqft lot in San Mateo is an SB 9 lot split into multiple upscale homes. This strategy is highly supported by the area's robust demographics and active luxury sales. The complete lack of environmental hazards keeps site preparation costs low and margins highly attractive.

Property Permit History

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

Recent Neighborhood Remodeling (San Mateo)

2026-07-22615 9TH AVE SAN MATEO CA 94402-1427
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat)
$10,000Issued
2026-07-22639 PICO AVE SAN MATEO 94403-1239 CA
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat)
$25,000Issued
2026-07-22128 BURBANK AVE SAN MATEO 94403-5127 CA
Single Family (Alteration/Repair) - Alter
$15,776Issued
2026-07-21142 30TH AVE Unit: B SAN MATEO CA 94403
Single Family (Alteration/Repair) - Alter
$24,271Issued
2026-07-20105 HAYWARD AVE Unit: B SAN MATEO CA 94401-4241
Single Family (Alteration/Repair) - Alter
$142,471Issued
2026-07-201825 NASH DR SAN MATEO CA 94401-3128
Single Family (New) - New
$1,405,255Issued

Parcel & Zoning Info

APN041036080
Official Lot Sqft7,467
Zoning CodeR-1, S-8
SB 9 StatusEligible · up to 4 units
Unlock Pathways
Ministerial ADU Ministerial SB 9 Builder's Remedy SB 423 Streamlining Density Bonus
Entitlement RiskLow (0/100)

ADU Potential

Feasibility Score96/100
Max ADU Units2 (ADU + JADU)
Est. ADU Size1,200 sqft
Existing Coverage27.1%

Flag / irregular · Corner lot · ~112 ft frontage × 129 ft deepa tucked-away rear unit is very private; access is typically via the pole driveway. A second street frontage lets an ADU take its own entrance and address.

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.

Redevelopment Potential

Redevelopment Score47/100
ClassExpansion room
FAR Utilization61% of allowed
Buildable Headroom+1,273 sqft

Meaningful unused floor-area headroom under current zoning — room to add square footage. Zoning allows roughly 3,293 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); 6,000 sqft cap (as of 2026-06-30). Verify FAR, coverage, setbacks, and height with the local planning dept.

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

Highlands Elementary

San Mateo-Foster City

0.1 miles away
Middle School

Ralston Intermediate

Belmont-Redwood Shores Elementary

2.2 miles away
High School

Hillcrest at Youth Services Center

San Mateo County Office of Education

0.9 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

73/100

Based on recent sales velocity and local demand in 94402.

Flippability Score

68/100

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

Bidding War Prob.

54%

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 6 recent sales in 94402 averaging $1,263/sqft.

Hard Costs$1,212,000
New Build3,030 sqft
Total Capital Required$4,275,000
Estimated Resale (ARV)$3,826,890

Projected Profit

-$448,110
-10.5% ROI

Warning: Project is mathematically underwater.

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