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CondominiumResidential

12434 Ambaum Blvd

SEATTLE, WA 98146
0.87 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 19832 floors32 units492–598 ft²
$4.8M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$149K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$292
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-25.6%vs the Seattle ZIP median sale $/ft² ($392)

Sales Performance

$164K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+2.5%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
3.1%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.6%per yeartypical hold 7.6 yrsfrom 53 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19881995199920042008201720212026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19881995199920042008201720212026

90 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$114K$133K$152K$170K492 ft²513 ft²534 ft²556 ft²577 ft²598 ft²
Studio1 bd
Studio
16 units
1 bed
16 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Studio · 1 ba · 492 ft²
16 units
1 bd · 1 ba · 582 ft²
14 units
1 bd · 1 ba · 598 ft²
2 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$114K–$114K
1 unit
$133K–$133K
1 unit
$137K–$141K
4 units
$143K–$149K
11 units
$150K–$156K
9 units
$160K–$162K
2 units
$166K–$170K
4 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$281/ft²
Floor 2
$276/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.28%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.13%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.6.7 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.50%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.56%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$145,872
Median tax billThe middle annual property tax bill among the building's units.$2,051
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit C-114Apr 16, 2026$164,000Unit A102May 20, 2025$150,000Unit B-208May 9, 2025$160,000Unit B-203Feb 25, 2025$120,000Unit B110Jan 31, 2025$175,000Unit 209Dec 6, 2024$179,500Unit UMJul 25, 2024$184,000Unit B-205Jul 11, 2024$178,400Unit B-210Mar 30, 2023$190,000Unit 216Mar 8, 2023$175,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyKING
Lot (acres)The size of the land the home sits on, from county records.0.87
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Highway

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Hazel Valley Elementary SchoolB
Elementary · Grades KG–5 · 0.5 mi
M
Cascade Middle SchoolC-
Middle · Grades 6–8 · 0.8 mi
H
Highline High SchoolD-
High · Grades 9–12 · 1.9 mi

District: Highline School District

Neighborhood · ZIP 98146These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.294

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.30,787
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,812 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,919
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,992
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

12434 Ambaum Blvd Sw
1 ba · 492 ft²
$166K
12434 Ambaum Blvd Sw # 101
1 bd · 1 ba · 582 ft²
$141K
12434 Ambaum Blvd Sw # A102
1 ba · 492 ft²
$144K
12434 Ambaum Blvd Sw # 103
1 bd · 1 ba · 582 ft²
$145K
12434 Ambaum Blvd Sw # B104
1 ba · 492 ft²
$149K
12434 Ambaum Blvd Sw # 105
1 bd · 1 ba · 582 ft²
$145K
12434 Ambaum Blvd Sw # B-106
1 ba · 492 ft²
$160K
12434 Ambaum Blvd Sw # B107
1 bd · 1 ba · 582 ft²
$153K
12434 Ambaum Blvd Sw # B109
1 bd · 1 ba · 582 ft²
$133K
12434 Ambaum Blvd Sw # B110
1 ba · 492 ft²
$169K
12434 Ambaum Blvd Sw # B111
1 bd · 1 ba · 582 ft²
$154K
12434 Ambaum Blvd Sw # 112
1 ba · 492 ft²
$148K
12434 Ambaum Blvd Sw # C-114
1 ba · 492 ft²
$162K
12434 Ambaum Blvd Sw # C-115
1 bd · 1 ba · 582 ft²
$169K
12434 Ambaum Blvd Sw # C-116
1 ba · 492 ft²
$146K
12434 Ambaum Blvd Sw # C-117
1 bd · 1 ba · 582 ft²
$141K
12434 Ambaum Blvd Sw # A201
1 bd · 1 ba · 598 ft²
$144K
12434 Ambaum Blvd Sw # A-202
1 ba · 492 ft²
$149K
12434 Ambaum Blvd Sw # B-203
1 bd · 1 ba · 598 ft²
$114K
12434 Ambaum Blvd Sw # B-204
1 ba · 492 ft²
$137K
12434 Ambaum Blvd Sw # B-205
1 bd · 1 ba · 582 ft²
$156K
12434 Ambaum Blvd Sw # B206
1 ba · 492 ft²
$147K
12434 Ambaum Blvd Sw # 207
1 bd · 1 ba · 582 ft²
$156K
12434 Ambaum Blvd Sw # B-208
1 ba · 492 ft²
$154K
12434 Ambaum Blvd Sw # 209
1 bd · 1 ba · 582 ft²
$170K
12434 Ambaum Blvd Sw # B-210
1 ba · 492 ft²
$154K
12434 Ambaum Blvd Sw # B211
1 bd · 1 ba · 582 ft²
$137K
12434 Ambaum Blvd Sw # 212
1 ba · 492 ft²
$146K
12434 Ambaum Blvd Sw # C214
1 ba · 492 ft²
$150K
12434 Ambaum Blvd Sw # C-215
1 bd · 1 ba · 582 ft²
$143K
12434 Ambaum Blvd Sw # 216
1 ba · 492 ft²
$150K
12434 Ambaum Blvd Sw # C217
1 bd · 1 ba · 582 ft²
$152K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 12434 Ambaum Blvd

How many units are in 12434 Ambaum Blvd, Seattle, WA?

12434 Ambaum Blvd, Seattle, WA has 32 residential units across 2 floors, built in 1983, according to county assessor records.

What is a unit at 12434 Ambaum Blvd, Seattle, WA worth?

The median TopHap Estimate across the 32 units at 12434 Ambaum Blvd, Seattle, WA is $149,014. That works out to $292 per square foot. Units run from 492 to 598 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 12434 Ambaum Blvd, Seattle, WA expensive for Seattle?

Units at 12434 Ambaum Blvd, Seattle, WA carry a median of $292 per square foot, 26% below the Seattle median of $392 per square foot.

How often do units sell at 12434 Ambaum Blvd, Seattle, WA?

1 units at 12434 Ambaum Blvd, Seattle, WA sold in the last 12 months, out of 90 recorded arms-length sales all time. That is a turnover rate of 3.1% of the building per year. The median sale over that period was $164K.

Have units at 12434 Ambaum Blvd, Seattle, WA appreciated?

Across 53 repeat sales of the same unit, 12434 Ambaum Blvd, Seattle, WA returned a median 4.6% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 7.6 years.

What floor plans does 12434 Ambaum Blvd, Seattle, WA have?

The most common plan at 12434 Ambaum Blvd, Seattle, WA is a 0-bedroom of 492 square feet, repeated 16 times, with a median estimate of $149,560. TopHap identifies 3 recurring plans in the building.

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