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ActiveSingle Family

$2,649,000

343 Maclane St, Palo Alto 94306

Beds3
Baths1
Sqft1,050
DOM5
No Photos Available

AddressIntel AI Briefing

The extreme disparity between the tiny original cottage and the lucrative Palo Alto new-build market makes teardown-and-mansionize the optimal play to capture maximum value. Alternatively, a developer could execute an SB 9 lot split into multiple units, though liquefaction zone designation serves as a construction blocker requiring robust engineering. The low owner-occupancy rate indicates a highly dynamic neighborhood transitioning rapidly through redevelopment.

Property Permit History

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

Recent Neighborhood Remodeling (Palo Alto)

2026-10-21 • 409 SHERMAN AV, PALO ALTO CA 94306
Project - Building Permit
--In Plan Check
2026-10-21 • 725 GUINDA ST, PALO ALTO CA 94301
Roof: Like for like re-roof, only one structure per permit (detached single-family and duplex only, non-historic property)
--Permit Issued
2026-10-21 • 631 KENDALL AV, PALO ALTO CA 94306
Building Addressing
--Under Review
2026-10-21 • 176 WAVERLEY ST, PALO ALTO CA 94301
Project - Building Permit
--In Plan Check
2026-10-21 • 882 EMERSON ST, STE C, PALO ALTO CA 94301
Project - Building Permit
--In Plan Check
2026-10-21 • 2704 LOUIS RD, PALO ALTO CA 94303
Revision-Building Permit
--In Plan Check

Parcel & Zoning Info

APN13243057
Official Lot Sqft5,663
Zoning Code--
SB 9 StatusLikely · up to 4 units
SB 9 Block Reasons No SB 9 disqualifiers found
Development Blockers
Liquefaction
Unlock Pathways
Ministerial ADU Ministerial SB 9 Density Bonus
Entitlement RiskLow (0/100)

ADU Potential

Feasibility Score94/100
Max ADU Units2 (ADU + JADU)
Est. ADU Size1,200 sqft
Existing Coverage18.5%

Flag / irregular · Corner lot · ~112 ft frontage × 132 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.

Redevelopment Potential

Redevelopment Score60/100
ClassTeardown candidate
FAR Utilization43% of allowed
Buildable Headroom+1,399 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 2,449 sqft of gross floor area on this lot.

Screening estimate comparing existing living area to the city's single-family floor-area limit. FAR rule curated from current municipal code. Source: PAMC 18.12.040 Table 2; max house size 6,000 sqft (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

Yes
In a mapped liquefaction zone. May require specialized foundation engineering.

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

Fairmeadow Elementary

Palo Alto Unified

0.6 miles away
Middle School

Jane Lathrop Stanford Middle

Palo Alto Unified

0.5 miles away
High School

Henry M. Gunn High

Palo Alto Unified

1.2 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

71/100

Based on recent sales velocity and local demand in 94306.

Flippability Score

88/100

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 2,449 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 Palo Alto (94306): $1,987/sqft, plus 5% because new houses sold at a median 1.07x their comps across 239 real rebuilds. 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.

Interest on the purchase price for the whole project plus half the build budget, since construction draws ramp up. The default is 7% over 33 months, the median purchase-to-sale time of 239 real Peninsula and South Bay rebuilds. Set the rate to 0 for a cash purchase, or use your own lender's terms.

Hard Costs$1,320,000
New Build2,400 sqft
Total Capital Required$4,144,000
Estimated Resale (ARV)$5,006,400
Cost of Sale (5%)-$250,320
Carry (33mo @ 7%)-$653,826
Net Proceeds$4,102,254

Projected Profit

-$41,746
-1.0% ROI

Warning: Project is mathematically underwater.

Recent Comparables (Palo Alto 94306)

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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