King County property record for 1200 S Dearborn St, Seattle, WA 98144
| Property Type | Commercial Office |
|---|---|
| Details | 217,223 sqft · built 2016 |
| Lot Size | 1.32 acres (57,600 sqft) |
| Owner | Company Name on File |
| Last Sale | $3,000,000 (Jun 2015) |
| Tax Bill | $410,735 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 817010-0520 |
| Primary APN | 817010-0520 |
|---|---|
| Alternative APN |
|
| Stories | 6 Stories |
|---|---|
| Building Area | 217,223 sqft Gross Area |
| Elevator | Elevator |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2017 |
| Architectural Style | Custom Design |
| Construction Type | Concrete |
| Fire Resistance | Fireproof Reinforced Concrete |
| Lot Area | 57,600 sqft |
| View / Lot | Highway |
| Garage Area | 15,718 sqft |
| Storage Building | Storage Building |
| Lawn Sprinklers | Lawn Sprinklers |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 817010052006 |
|---|---|
| Street Address | 1200 S DEARBORN ST |
| City | SEATTLE |
| State | WA |
| Zip | 98144-2727 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | DMC 85/75- |
| Legal Description | SYNDICATE ADD LOTS 1 THRU 5 & 16 THRU 20 & POR VAC ALLEY ADJ |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 05 |
| Legal Subdivision | SYNDICATE ADD |
| Legal Block | 7 |
| Legal Lot Number | 1 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1024 |
| Census Tract | 9000 |
1200 S Dearborn St, a commercial property, is owned by a company that bought it in June 2015.
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 25025, GLENDALE, CA 91221-5025 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 29, 2015 · Amount on File |
| Deed Sale | Jun 29, 2015 · Amount on File |
| Prior Sale | Apr 21, 2010 · Amount on File |
| Deed Document Number | 20151113 |
| Prior Transfer Date | Feb 28, 1999 |
| Prior Transfer Doc | 0000001277 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 1200 S Dearborn St was $410,735.
Source: King County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $410,735.00 | ||
| 2025 | $40,698,800 (-4.41%) Land $16,128,000 Building $24,570,800 | $40,698,800 (-4.41%) Land $16,128,000 Building $24,570,800 | |
| 2024 | $398,577.00 | $42,577,200 Land $14,976,000 Building $27,601,200 | $42,577,200 Land $14,976,000 Building $27,601,200 |
| 2022 | $344,008.00 | $41,684,000 Land $12,960,000 Building $28,724,000 | $41,684,000 Land $12,960,000 Building $28,724,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1200 S Dearborn St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2020.
Source: FEMA National Flood Hazard Layer, effective September 23, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (2020) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2020 · rainfall accumulation |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 1200 S Dearborn St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | SEATTLE PUBLIC UTILITIES serves 1,161,961 people · EPA ID WA5377050 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2025 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 150 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, Google Fiber, T-Mobile, Verizon.
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