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ActiveSingle Family

$3,199,000

65 Mountain View Pl, San Mateo 94402

Beds3
Baths2
Sqft1,950
DOM28
No Photos Available

AddressIntel AI Briefing

The optimal strategy is teardown-and-mansionize to construct a major luxury estate on the massive, hazard-free 17,248 sqft lot. Excellent market comps in the neighborhood validate a massive premier build to capture the enormous gap between current pricing and high-end finished values.

Property Permit History

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

Recent Neighborhood Remodeling (San Mateo)

2026-10-08 • 610 MAGNOLIA DR SAN MATEO 94402-1961 CA
Single Family (Addition) - Add/Alter - Add/Alter
$446,910Issued
2026-10-07 • 832 W HILLSDALE BLVD SAN MATEO 94403-3838 CA
Single Family (Alteration/Repair) - Alter - Alter
$6,000Issued
2026-10-07 • 2696 TIBURON ST Unit: 14 SAN MATEO 94403 CA
Single Family (New) - New - New
$452,575Issued
2026-10-07 • 2692 TIBURON ST Unit: 12 SAN MATEO 94403 CA
Single Family (New) - New - New
--Issued
2026-10-07 • 1435 2ND AVE SAN MATEO 94401-2105 CA
Single Family (Addition) - Add/Alter - Add/Alter
$144,897Issued
2026-10-07 • 1530 EDINBURGH ST SAN MATEO CA 94402-3018
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat) - Kitchen & Bath Remodel (Flat)
--Issued

Parcel & Zoning Info

APN041252080
Official Lot Sqft17,248
Zoning CodeR-1, S-8
SB 9 StatusEligible · up to 4 units
Unlock Pathways
Ministerial ADU Ministerial SB 9 Density Bonus
Entitlement RiskLow (0/100)

ADU Potential

Feasibility Score100/100
Max ADU Units2 (ADU + JADU)
Est. ADU Size1,200 sqft
Existing Coverage11.3%

Flag / irregular · ~155 ft frontage × 208 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.

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. Liquefaction and fault flags: modified from California Geological Survey, Web Service of Official Maps of Alquist-Priolo Earthquake Fault Zones and Web Service of Official Maps of Seismic Hazard Zones (2025).

Nearby Public Schools

Elementary School

Highlands Elementary

San Mateo-Foster City

0.7 miles away
Middle School

Ralston Intermediate

Belmont-Redwood Shores Elementary

1.6 miles away
High School

Hillcrest at Youth Services Center

San Mateo County Office of Education

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

78/100

Based on recent sales velocity and local demand in 94402.

Flippability Score

95/100

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

Bidding War Prob.

59%

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 12 recent single-family sales in San Mateo (94402): $1,448/sqft. Sized within 25% of the 2,900 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.

Hard Costs$1,595,000
New Build2,900 sqft
Total Capital Required$4,969,000
Estimated Resale (ARV)$4,199,200
Cost of Sale (5%)-$209,960
Net Proceeds$3,989,240

Projected Profit

-$979,760
-19.7% ROI

Warning: Project is mathematically underwater.

Recent Comparables (San Mateo 94402)

Sized to the modelled 2,900 sqft build: sales within 25% of it. Smaller houses sell for more per foot, so pricing a rebuild off them overstates resale.

1710-1712 Gum St

Sold
$2,450,000
Sold: 2026-10-06
Lot: 5,000
Sqft: 2940
$/Sqft: $833

321 Avila Rd

Sold
$3,795,000
Sold: 2026-09-18
Lot: 5,000
Sqft: 2515
$/Sqft: $1,509

1305 Maple St

Sold
$3,600,000
Sold: 2026-09-16
Lot: 7,500
Sqft: 2815
$/Sqft: $1,279

122 Castilian Way

Sold
$3,940,000
Sold: 2026-09-14
Lot: 6,050
Sqft: 2500
$/Sqft: $1,576

404 Hillsborough Blvd

Sold
$4,075,000
Sold: 2026-09-10
Lot: 12,306
Sqft: 2950
$/Sqft: $1,381

731 W Capistrano Way

Sold
$3,500,000
Sold: 2026-09-10
Lot: 5,460
Sqft: 2390
$/Sqft: $1,464

222 Harvard Rd

Sold
$4,195,000
Sold: 2026-09-04
Lot: 7,535
Sqft: 2930
$/Sqft: $1,432

8 Bennington Ct

Sold
$3,350,000
Sold: 2026-08-13
Lot: 17,624
Sqft: 2610
$/Sqft: $1,284

554 Edgewood Rd

Sold
$5,000,000
Sold: 2026-08-12
Lot: 14,207
Sqft: 3205
$/Sqft: $1,560

523 Iowa Dr

Sold
$3,250,000
Sold: 2026-08-10
Lot: 6,000
Sqft: 2460
$/Sqft: $1,321

459 Cornell Ave

Sold
$4,420,000
Sold: 2026-08-05
Lot: 6,839
Sqft: 2900
$/Sqft: $1,524

613 Barroilhet Ave

Sold
$5,475,000
Sold: 2026-07-31
Lot: 10,000
Sqft: 3342
$/Sqft: $1,638