USLakeFront Lake survey & intelligence

$570,000

4978 Marina Dr, Seattle, WA 40646

Sample listing
4
Bedrooms
2
Bathrooms
1,750
Square feet
150 ft
Shoreline
$3,800
Per shoreline ft

Classic A-frame with new seawall on Lake Washington. Roughly 150 feet of owned shoreline on 1.45 acres, with 4 bedrooms across 1,750 square feet. Covered boathouse. Water clarity on Lake Washington averages around 12 feet and the lake is classified stable for water level. Dock and shoreline work fall under WA DNR Aquatic Lands. This is a sample listing used to demonstrate the platform.

Features

Fire pitMetal roofRiprap shorelineOpen floor plan

Property facts

Property typeCabin Year built1992 Lot size1.45 acres DockCovered boathouse Water depth at dock12 ft ExposureEast-facing ViewPanoramic Annual taxes$6,391 HOA$0/mo Short-term rentalPermitted Listed2026-08-05
$4,935
All-in monthly
$130,930
Cash to close
$14,400
Costs beyond the obvious

Up front

Down payment$114,000
Closing costs (est. 2.4%)$13,680
Septic inspection & pump$850
Water quality testing$400
Waterfront home inspection$800
Survey (shoreline frontage)$1,200
Total$130,930

Every year

Principal & interest$36,039
Property taxes$6,391
Hazard insurance$2,394
Flood insurance$2,400
Utilities$2,400
Maintenance reserve (1.1%)$6,270
Septic service$520
Well & water testing$260
Dock maintenance$900
Winterization / seasonal close$750
Shoreline / seawall reserve$900
Total$59,224
Adjust these assumptions →
$3,800
This home / shoreline ft
$5,667
Lake average
$326
Per square foot
Well below the lake average — this property prices at $3,800 per shoreline foot against a lake average near $5,667, a difference of -33%. Shoreline frontage is the metric that drives waterfront value, and it is almost never published.
Open the analyzer →
Modeled from the lake's estimated nightly rate and occupancy. Confirm local short-term rental rules before you rely on this.
Booked nights / year145 Gross revenue$66,317 Lodging tax−$7,295 Management−$11,804 Cleaning & supplies−$16,387 Net operating income$30,830 Against annual carry$-28,393
Model your own →
6.4
Lake score
C
Water grade
2 ft
Drawdown
Level stabilityStable Typical clarity12 ft Dock authorityWA DNR Aquatic Lands
Full Lake Washington report →
Comparable

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