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ActiveCondo

$1,438,800

708 Thayer Ln Unit 404, Foster City 94404

Beds3
Baths2
Sqft1,493
DOM49
No Photos Available

AddressIntel AI Briefing

This high-end condo offers an outstanding hands-off investment with immediate cash-on-cash yield potential. The property is supported by elite demographics and stable, upward-trending local asset valuations.

Property Permit History

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

Recent Neighborhood Remodeling (Foster City)

2026-10-19 • 291 HUDSON BAY ST
BUILDING RESIDENTIAL - REROOF_NA
--ISSUED
2026-10-13 • 879 LURLINE DR
BUILDING RESIDENTIAL - REPAIR_NA
--ISSUED
2026-10-12 • 1051 FLYING FISH ST
BUILDING RESIDENTIAL - REROOF_NA
--ISSUED
2026-10-12 • 815 817 819 821 RIGEL LN
BUILDING RESIDENTIAL - REROOF_NA
--ISSUED
2026-10-09 • 1111 BLYTHE ST
BUILDING RESIDENTIAL - WINDOW REPLACEMENT_434
--ISSUED
2026-10-09 • 238 BEACH PARK BLVD
BUILDING RESIDENTIAL - REROOF_NA
--ISSUED

Parcel & Zoning Info

APN117810999
Official Lot Sqft19,832
Zoning CodeNO DATA ASSIGNED
SB 9 StatusN/A

Condo Investment Snapshot

Value Score20/100
Price / Sqft$964 vs $838 mkt
Price vs Market+15% Above market
Est. Rent$4,996/mo

Price positioning vs. 1526 recent comparable condo/townhome sales in this ZIP. Est. rent is a rule-of-thumb (price ÷ 24 ÷ 12), not a market quote. SB 9 / ADU development analysis doesn't apply to condos: the owner doesn't control the underlying land.

Seller Motivation

Motivation Score12/100
Low motivation
45+ 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.

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

Brewer Island Elementary

San Mateo-Foster City

0.5 miles away
Middle School

Bowditch Middle

San Mateo-Foster City

1.1 miles away
High School

Design Tech High

San Mateo Union High

1.8 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

63/100

Based on recent sales velocity and local demand in 94404.

Flippability Score

40/100

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

Bidding War Prob.

1%

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 condo sales in Foster City (94404): $754/sqft, plus 5% because new houses sold at a median 1.07x their comps across 239 real rebuilds. Sized within 25% of the 2,200 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$1,210,000
New Build2,200 sqft
Total Capital Required$2,823,800
Estimated Resale (ARV)$1,742,400
Cost of Sale (5%)-$87,120
Carry (33mo @ 7%)-$410,275
Net Proceeds$1,245,005

Projected Profit

-$1,578,795
-55.9% ROI

Warning: Project is mathematically underwater.

Recent Comparables (Foster City 94404)

Sized to the modelled 2,200 sqft build: sales within 25% of it. Smaller houses sell for more per foot, so pricing a rebuild off them overstates resale.

816 Balboa Ln

Sold
$1,250,000
Sold: 2026-09-16
Lot: 2,385
Sqft: 1780
$/Sqft: $702

332 Argonaut Ln

Sold
$1,660,000
Sold: 2026-07-01
Lot: 3,434
Sqft: 2475
$/Sqft: $671

338 Argonaut Ln

Sold
$1,620,000
Sold: 2026-07-01
Lot: 3,065
Sqft: 2249
$/Sqft: $720

720 Promontory Point Ln Apt 2205

Sold
$1,415,000
Sold: 2026-06-30
Lot: 346,066
Sqft: 2224
$/Sqft: $636

740 Promontory Point Ln Apt 3108

Sold
$1,572,000
Sold: 2026-05-18
Lot: -
Sqft: 2264
$/Sqft: $694

1018 Lido Ln

Sold
$1,490,000
Sold: 2026-04-28
Lot: -
Sqft: 2140
$/Sqft: $696

Promontory Point Ln Unit 1302

Sold
$1,750,000
Sold: 2026-04-01
Lot: -
Sqft: 2224
$/Sqft: $787

729 Eppleton Ln Unit 303

Sold
$1,475,000
Sold: 2026-03-10
Lot: -
Sqft: 1721
$/Sqft: $857

769 Eppleton Ln Unit 302

Sold
$1,399,000
Sold: 2026-02-19
Lot: -
Sqft: 1754
$/Sqft: $798

708 Eppleton Ln Unit 204

Sold
$1,399,000
Sold: 2026-01-05
Lot: 15,028
Sqft: 1653
$/Sqft: $846

718 Eppleton Ln Unit 303

Sold
$1,528,000
Sold: 2026-01-05
Lot: -
Sqft: 1721
$/Sqft: $888

617 Portofino Ln

Sold
$1,410,000
Sold: 2025-11-04
Lot: -
Sqft: 1780
$/Sqft: $792