King County property record for 3925 48th Ave S, Seattle, WA 98118
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,700 sqft · built 1941 |
| Lot Size | 0.124 acres (5,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,800,000 (Dec 2025) |
| Tax Bill | $24,785 (2026) |
| Deeds & Mortgages | Mar 2021 Mortgage Dec 2025 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 525030-0090 |
| Primary APN | 525030-0090 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 2 Stories |
| Building Area | 2,700 sqft Living Area |
| Gross Area | 2,970 sqft |
| 1st Floor Area | 950 sqft |
| 2nd Floor Area | 980 sqft |
| Basement Area | 770 sqft |
| Finished Basement | 770 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 2009 |
| Exterior Material | Brick |
| Lot Area | 5,400 sqft (0.124 acres) |
| View / Lot | Water View |
| Garage Type | Attached |
| Garage Area | 270 sqft |
| Deck Area | 340 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 525030009001 |
|---|---|
| Street Address | 3925 48TH AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98118-1221 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | NR2 |
| Legal Description | MAYNARDS LAKE WASHINGTON REPLAT 16 & S 1/2 OF 17 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 15 |
| Legal Subdivision | MAYNARDS LAKE WASHINGTON REPLAT BL 75 |
| Legal Block | 75 |
| Legal Lot Number | 16-17 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 10102 |
3925 48th Ave S is owned and occupied by two individuals who bought it in December 2025.
Source: King County records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3925 48TH AVE S, SEATTLE, WA 98118-1221 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Couple |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 8, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FIRST FSLA OF PORT ANGELES |
| Dec 18, 2025 | Warranty Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC |
| Jan 27, 2021 | Deed of Trust, Mortgage · Conventional Mortgage COLUMBIA STATE BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 18, 2025 · Amount on File |
| Deed Sale | Dec 18, 2025 · Amount on File |
| Prior Sale | May 1, 2007 · Amount on File |
| Deed Document Number | 2025608 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 3925 48TH AVE S, SEATTLE, WA 98118-1221 |
| Transaction Type | Mortgage |
| Record Updated | Dec 29, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0000000649 |
|---|---|
| Date | Mar 8, 2021 |
| Instrument | 20210308000649 |
| Name | FIRST FSLA OF PORT ANGELES |
|---|---|
| Type | Bank |
| Address | PORT ANGELES, WA 98362 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Mar 25, 2046 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Dec 18, 2025 |
| Property Address | 3925 48TH AVE S, SEATTLE, WA 98118-1221 |
| Document Number | 0000000608 |
| Map Reference | VOL 6 PG 38 |
| Instrument Date | Dec 9, 2025 |
| Instrument | 20251218000608 |
| Transaction Type | Transfer |
| Record Updated | Dec 29, 2025 |
| Title Company | WFG NATIONAL TITLE COMPANY/WA LLC, WFG NATL TITLE CO OF WA LLC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $35,142.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3925 48TH AVE S, SEATTLE, WA 98118-1221 |
| Document Number | 0000000609 |
|---|---|
| Date | Dec 18, 2025 |
| Instrument | 20251218000609 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2056 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 3925 48TH AVE S, SEATTLE, WA 98118-1221 |
| Transaction Type | Mortgage |
| Record Updated | Feb 10, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000001249 |
|---|---|
| Date | Jan 27, 2021 |
| Instrument | 20210127001249 |
| Name | COLUMBIA STATE BANK |
|---|---|
| Type | Bank |
| Address | PORT ANGELES, WA 98362 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2051 |
The 2026 property tax bill for 3925 48th Ave S was $24,785, up 13.7% from the year before.
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 | $24,785.00 (+13.73%) | ||
| 2025 | $21,792.00 | $2,428,000 (+5.8%) Land $718,000 Building $1,710,000 | $2,428,000 (+5.8%) Land $718,000 Building $1,710,000 |
| 2024 | $21,792.00 | $2,295,000 Land $617,000 Building $1,678,000 | $2,295,000 Land $617,000 Building $1,678,000 |
| 2022 | $17,397.00 | $2,058,000 Land $556,000 Building $1,502,000 | $2,058,000 Land $556,000 Building $1,502,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3925 48th Ave S 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 3925 48th Ave S 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 277 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber | 2,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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