34721 West Valley Hwy S, Algona, WA 98001

Small-Bay Industrial · Algona · Seattle-Bellevue metro, WA

One of 22 reachable small-bay industrial buildings in Algona. Larger than 18% of small-bay industrial buildings in Algona (median 57,582 SF), derived from assessor records.

Usable building area
17,950 SF, King County Assessor
County gross area
18,814 SF, King County Assessor
Excluded area
864 SF outside primary usable area
Lot size
142,996 SF, King County Assessor
Year built
2003, King County Assessor
Stories
1, King County Assessor
Buildings on parcel
3, King County Assessor
Predominant use
Industrial(lignt), King County Assessor
Assessed value
$3,236,500, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$180.31/SF, derived from assessor records
Usable area / lot
0.13, derived from assessor records
Vintage
2000s vintage
Zoning
C-3, King County
County use code
Industrial(Lignt)

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

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Sale history and market context

MakeMe Estimate: $3.83M (estimated market value), with a likely range of $3.48M to $4.79M (half of recent verified sales in this segment landed inside that range). Based on 5 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works.

lower confidence: 0 comparable sales within 3 miles; nearest 0 mi. This property type carries wider measured error; treat the estimate as a starting point.

Comparable sales

No nearby verified sales clear our evidence bar for this building right now. We show only real arm's-length sales inside the market's $/SF integrity band, never junk transfers.

Last sold: 2002-07-01 for $700,000 (recorded arm's-length sale).

Current ownership dates to 2002 (about 24 years) per recorded transfers.

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

$0$2M$4M$6M201120142017202020232026$3.83M$3.24MCounty assessed valueMakeMe Estimate range

Dark line: county assessed value per King County tax rolls. Blue line: our estimate; dashed years are a modeled backcast built from recorded arm's-length sales in the building's segment, not estimates published at the time, and years without enough sales stay unmodeled. The shaded range is the model's measured error band; about half of verified sales in the segment land inside it. Diamonds: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $1,719,600 (2011) to $3,236,500 (2026), up 88% over 15 years, per county tax rolls. The 2026 roll splits $3,236,500 into $1,715,900 land and $1,520,600 improvements.

Taxes

Permit history

Source: King County permit records (newest first).