Property profile

557 Roy St Seattle, WA 98109

OFF-MARKET
Office buildings
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Property ID
US90-1361119
6,820 SF 0.67 ac Built 1952
Last sale Dec 2021·$29,000,000
Entity Owned Owner of record is a legal entity (LLC / corporation). 4-yr Hold Held for 4 years. ~ Est. High Equity Modeled equity is high. Estimate, not a fact.
Market Trends Soon

Property summary

AI-generated overview

The property is a commercial land parcel at 557 Roy St in Seattle’s South Lake Union area, improved with a small parking area and an office building/space totaling approximately 41,520 square feet of lot area. The existing improvements include Seattle Business Center office space that has historically been occupied under short-term leasing arrangements, with the site’s current configuration remaining defined by the existing parking and office layout. The parcel is zoned SM-UP-85 (M1) with an…

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2022

What does the county charge?
$174k
Tax billed · 2022
Assessed value$20.76M
Assessed land$20.76M
Assessed improvement$1k
Effective rate0.84%

Value estimate

· Nov 2026
$28.03M
$25.22M – $30.83M

Realmo valuation models over county records.

Recently sold

What actually traded nearby?
$409/SF
ZIP average, outlier-cleaned · 28 recorded sales of this use type
Observed band · Q1–Q3$227 – $743

Cap rate analysis

How does the asset earn?

No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.

Zoning insight

What can be built here?
SM-UP 85 (M1)
JurisdictionKING

Location intelligence

Which uses thrive at this corner?
Best fit: Auto Parts Store
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Auto Parts Store19.4
Electrical Service15.9
HVAC Service13.5

Location

557 Roy St Seattle, WA 98109-4219
County assessor Recorded deeds · 9 transfers Qualifying comp sales · not on file Zoning catalog

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 15 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
611 Pontius N, Seattle, WA 98109-5522 $2,500,000 Nov 2025 4,526 SF
817 5th N, Seattle, WA 98109-3907 $1,875,000 Mar 2025 7,360 SF
2120 1st N, Seattle, WA 98109-2301 $3,150,000 May 2024 13,320 SF
222 Dexter N, Seattle, WA 98109-5104 $171,957,614 Apr 2024 6,710 SF
1500 Westlake N, Seattle, WA 98109-3031 $11,307,405 Mar 2022 19,352 SF
2476 Westlake N, Seattle, WA 98109-2263 $4,000,000 Dec 2021 4,277 SF
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
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Includes: Price & PSF · Cap rate · Location · Zoning

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