King County property record for 3405 E Mercer St, Seattle, WA 98112
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,580 sqft · built 1924 |
| Lot Size | 0.124 acres (5,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,365,000 (Jul 2024) |
| Tax Bill | $13,202 (2026) |
| Deeds & Mortgages | Oct 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 660000-0241 |
| Primary APN | 660000-0241 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,580 sqft Living Area |
| Gross Area | 2,090 sqft |
| 1st Floor Area | 860 sqft |
| Upper Floors Area | 720 sqft |
| Basement Area | 510 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1924 |
| Lot Area | 5,400 sqft (0.124 acres) |
| Porch | Open Porch |
| Porch Area | 120 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 660000024100 |
|---|---|
| Street Address | 3405 E MERCER ST |
| City | SEATTLE |
| State | WA |
| Zip | 98112-4341 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR3 |
| Legal Description | PACIFIC COAST ADD N 90 FT PLAT BLOCK: 116 PLAT LOT: 4 |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 27 |
| Legal Subdivision | PACIFIC COAST ADD |
| Legal Block | 116 |
| Legal Lot Number | 4 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2024 |
| Census Tract | 6300 |
3405 E Mercer St is owned and occupied by two individuals who bought it in July 2024.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 3405 E MERCER ST, SEATTLE, WA 98112-4341 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Couple |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 1, 2024 · Amount on File |
| Deed Sale | Jul 1, 2024 · Amount on File |
| Deed Document Number | 2024532 |
| Prior Transfer Date | May 8, 2012 |
| Prior Transfer Doc | 0000000934 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 3405 E MERCER ST, SEATTLE, WA 98112-4341 |
| Transaction Type | Mortgage |
| Record Updated | Oct 15, 2025 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Name | Verified Name |
|---|---|
| Address | 16 CAMBRIDGE PL, BROOKLYN, NY 11238-1908 |
| Document Number | 0000000652 |
|---|---|
| Date | Oct 6, 2025 |
| Instrument | 20251006000652 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.75% |
| Type Change Date | Nov 1, 2032 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 10.7% |
| Max Rate | 10.7% |
The 2026 property tax bill for 3405 E Mercer St was $13,202.
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 | $13,202.00 | ||
| 2025 | $1,259,000 (-10.14%) Land $994,000 Building $265,000 | $1,259,000 (-10.14%) Land $994,000 Building $265,000 | |
| 2024 | $13,573.00 | $1,401,000 Land $994,000 Building $407,000 | $1,401,000 Land $994,000 Building $407,000 |
| 2022 | $12,314.00 | $1,432,000 Land $927,000 Building $505,000 | $1,432,000 Land $927,000 Building $505,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3405 E Mercer St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 23, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 3405 E Mercer 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 406 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: CenturyLink, T-Mobile, Verizon.
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