King County property record for 421 Boylston Ave E, Seattle, WA 98102 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Triplex |
|---|---|
| Bedrooms | 6 Beds |
| Bathrooms | 3 Baths |
| Architecture Style | Triplex |
| Year Built | Built 1906 |
| Square Footage | 2,890 sqft Living Area |
| Lot Size | 2,370 sqft (0.054 acres) |
| Last Sale | $1,299,200 (2021) |
| Tax Bill | $11,079.00 (2026) |
| Primary APN | 685070-0670 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Units | 4 Units |
| Building Area | 2,890 sqft Living Area |
| Gross Area | 3,210 sqft Gross Area |
| 1st Floor | 880 sqft 1st Floor |
| 2nd Floor | 880 sqft 2nd Floor |
| Upper Floors | 530 sqft Upper Floors |
| Basement Area | 920 sqft Basement |
| Finished Basement | 600 sqft Finished |
| Unfinished Basement | 320 sqft Unfinished |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1906 |
| Architectural Style | Triplex Style |
| Lot Area | 2,370 sqft (0.054 acres) |
| Heating System | Forced Air with Air Conditioning Heating |
|---|---|
| Heating Fuel | Electric Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Account Number | 685070067002 |
|---|---|
| Street Address | 421 BOYLSTON AVE E |
| City | SEATTLE |
| State | WA |
| Zip | 98102-7030 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Triplex |
| Legal Description | PONTIUS A SUPL N 1/2 PLAT BLOCK: 43 PLAT LOT: 3 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 29 |
| Legal Subdivision | PONTIUS A SUPL |
| Legal Block | 43 |
| Legal Lot Number | 3 |
| Jurisdiction | KING WA |
| Minor Civil Division | SEATTLE |
| Census Blockgroup | 2 |
| Census Block | 2002 |
| Census Tract | 7403 |
Source: King County records · APN 685070-0670
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 | Individual Name on File |
|---|---|
| Mailing Address | 617 18TH AVE E, SEATTLE, WA 98112-3925 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| May 05, 2021 | Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE |
| May 05, 2021 | Warranty Deed, Transfer · Conventional Mortgage CALIBER HOME LOANS INC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 05, 2021 · Amount on Record |
| Deed Sale | May 05, 2021 · Amount on Record |
| Prior Sale | May 15, 2014 · Amount on Record |
| Deed Doc Number | 20211063 |
| Prior Transfer Date | May 13, 2014 |
| Prior Transfer Doc | 0000001417 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | May 05, 2021 |
| Property Address | 421 BOYLSTON AVE E, SEATTLE, WA 98102-7030 |
| Document Number | 0000001064 |
| Map Reference | VOL 8 PG 39 |
| Instrument Date | May 04, 2021 |
| Instrument | 20210505001064 |
| Transaction Type | Transfer |
| Record Updated | Dec 22, 2023 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 617 18TH AVE E, SEATTLE, WA 98112-3925 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | May 05, 2021 |
| Property Address | 421 BOYLSTON AVE E, SEATTLE, WA 98102-7030 |
| Document Number | 0000001063 |
| Map Reference | VOL 8 PG 39 |
| Instrument Date | Apr 29, 2021 |
| Instrument | 20210505001063 |
| Transaction Type | Transfer |
| Record Updated | Jun 15, 2023 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $22,230.76 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 617 18TH AVE E, SEATTLE, WA 98112-3925 |
| Name | Verified Name |
|---|---|
| Address | 617 18TH AVE E, SEATTLE, WA 98112-3925 |
| Document Number | 0000001065 |
|---|---|
| Date | May 05, 2021 |
| Instrument | 20210505001065 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2051 |
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 | $11,079.00 (+5.77%) | ||
| 2025 | $1,070,000 (-1.83%) Land $709,000 Building $361,000 | $1,070,000 (-1.83%) Land $709,000 Building $361,000 | |
| 2024 | $10,475.00 (+6.51%) | $1,090,000 (-6.28%) Land $709,000 Building $381,000 | $1,090,000 (-6.28%) Land $709,000 Building $381,000 |
| 2022 | $9,835.00 | $1,163,000 Land $400,000 Building $763,000 | $1,163,000 Land $400,000 Building $763,000 |
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