King County property record for 110 Union St, Seattle, WA 98101 · Last verified July 2026
| Property Type | Commercial > Office > Commercial Office |
|---|---|
| Architecture Style | Custom Design |
| Year Built | Built 2000 |
| Square Footage | 79,920 sqft Gross Area |
| Lot Size | 13,320 sqft (0.306 acres) |
| Last Sale | $33,499,000 (2020) |
| Tax Bill | $170,566.00 (2026) |
Source: King County records · APN 197570-0580
Assessment roll updated July 7, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 316 OCCIDENTAL AVE S, 300, SEATTLE, WA 98104-4421 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Feb 11, 2021 | Deed of Trust, Mortgage · Commercial Mortgage BANK OF AMERICA NA |
| Oct 01, 2020 | Grant Deed, Transfer CHICAGO TITLE NCS |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 01, 2020 · Amount on Record |
| Deed Sale | Oct 01, 2020 · Amount on Record |
| Deed Doc Number | 20201873 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 110 UNION ST, SEATTLE, WA 98101-2099 |
| Transaction Type | Mortgage |
| Record Updated | Feb 23, 2021 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000002028 |
|---|---|
| Date | Feb 11, 2021 |
| Instrument | 20210211002028 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Oct 01, 2020 |
| Property Address | 110 UNION ST, SEATTLE, WA 98101-2099 |
| Document Number | 0000001873 |
| Instrument Date | Sep 28, 2020 |
| Instrument | 202010011873 |
| Transaction Type | Transfer |
| Record Updated | Oct 26, 2020 |
| Title Company | CHICAGO TITLE NCS |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 110 UNION ST SEATTLE WA 981012099, SEATTLE, WA 98101-2099 |
Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $170,566.00 (-32.45%) | ||
| 2025 | $252,503.00 | $16,900,000 (-37.75%) Land $15,984,000 Building $916,000 | $16,900,000 (-37.75%) Land $15,984,000 Building $916,000 |
| 2024 | $252,503.00 (-3.4%) | $27,148,200 (-14.85%) Land $15,984,000 Building $11,164,200 | $27,148,200 (-14.85%) Land $15,984,000 Building $11,164,200 |
| 2022 | $261,381.00 | $31,883,100 Land $13,986,000 Building $17,897,100 | $31,883,100 Land $13,986,000 Building $17,897,100 |
Source: FEMA National Flood Hazard Layer, King County (53033C), updated September 23, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 197570-0580 |
|---|---|
| Alternative APN |
|
| Building Area | 79,920 sqft Gross Area |
|---|---|
| Basement Area | 13,320 sqft Basement |
| Stories | 5 Stories |
| Elevator | Elevator |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Custom Design Style |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Fire Resistance Class | Buildings having exterior walls built of a non-combustible material such as brick, concrete, block or poured concrete. Interior partitions and roof structure are built of combustible materials. Floor may be concrete or wood frame. |
| Lot Area | 13,320 sqft (0.306 acres) |
| Sprinklers | Installed Lawn/Plantings Watering System Sprinklers |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | HVAC Heating |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Account Number | 197570058002 |
|---|---|
| Street Address | 110 UNION ST |
| City | SEATTLE |
| State | WA |
| Zip | 98101-2099 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Office > Commercial Office |
| Legal Description | DENNYS A A 3RD ADD LESS ST |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 31 |
| Legal Subdivision | DENNYS A A 3RD ADD |
| Legal Block | 25 |
| Legal Lot Number | 9&12 |
| Jurisdiction | KING WA |
| Minor Civil Division | SEATTLE |
| Census Blockgroup | 2 |
| Census Block | 2003 |
| Census Tract | 8101 |
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