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ActiveSingle Family

$1,399,000

1845 Coastland Ave, San Jose 95125

Beds3
Baths1
Sqft1,101
DOM42
No Photos Available

AddressIntel AI Briefing

This property is ripe for a high-end teardown-and-mansionize play, supported by active building permits on-site and $250k+ median household incomes. Alternatively, developers can execute a stealth density: primary + ADU + JADU setup to capture dual income streams. Comps up to $2.9M ensure robust back-end profitability.

Property Permit History

DateProject TypeStatusValuationContractor
2026-07-14Single-FamilyActive--Unknown

Recent Neighborhood Remodeling (San Jose)

2026-09-063133 FLINTHAVEN DR , SAN JOSE CA 95148-1242
Single-Family
--Active
2026-09-062357 MAZZAGLIA AV , SAN JOSE CA 95125-3625
1 & 2 Family Residential
--Active
2026-09-061124 ALLSTON CT , SAN JOSE CA 95120-3101
1 & 2 Family Residential
--Active
2026-09-066032 SALIDA DEL SOL , SAN JOSE CA 95123-3941
Single-Family
--Active
2026-09-062357 MAZZAGLIA AV , SAN JOSE CA 95125-3625
Single-Family
--Active
2026-09-054412 ADRAGNA CT , SAN JOSE CA 95136-2301
Single-Family
$13,776Active

Parcel & Zoning Info

APN43921010
Official Lot Sqft5,227
Zoning Code--
SB 9 StatusLikely · up to 4 units
Unlock Pathways
Ministerial ADU Ministerial SB 9 Density Bonus AB 1033 (sell ADU as condo)
Entitlement RiskLow (0/100)

ADU Potential

Feasibility Score88/100
Max ADU Units2 (ADU + JADU)
Est. ADU Size1,200 sqft
Existing Coverage21.1%

Flag / irregular · Corner lot · ~98 ft frontage × 124 ft deep, a 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.

Seller Motivation

Motivation Score6/100
Low motivation
30+ days on market

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

Redevelopment Score57/100
ClassTeardown candidate
FAR Utilization47% of allowed
Buildable Headroom+1,251 sqft

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 2,352 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: SJMC 20.30.200; 20.100.1020 (Single-Family House Permit) (as of 2026-06-30). Verify FAR, coverage, setbacks, and height with the local planning dept.

Hazard Snapshot

Flood Zone

D
Special flood hazard area; insurance may be required.

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

Ernesto Galarza Elementary

San Jose Unified

0.2 miles away
Middle School

Willow Glen Middle

San Jose Unified

0.8 miles away
High School

Willow Glen High

San Jose Unified

0.8 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

94/100

Based on recent sales velocity and local demand in 95125.

Flippability Score

80/100

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

Bidding War Prob.

22%

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 2,352 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 12 recent single-family sales in San Jose (95125): $1,062/sqft. Sized within 25% of the 2,400 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$1,320,000
New Build2,400 sqft
Total Capital Required$2,894,000
Estimated Resale (ARV)$2,548,800
Cost of Sale (5%)-$127,440
Net Proceeds$2,421,360

Projected Profit

-$472,640
-16.3% ROI

Warning: Project is mathematically underwater.

Recent Comparables (San Jose 95125)

Sized to the modelled 2,400 sqft build: sales within 25% of it. Smaller houses sell for more per foot, so pricing a rebuild off them overstates resale.

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