King County property record for 3921 48th Ave S, Seattle, WA 98118
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,080 sqft · built 1941 |
| Lot Size | 0.207 acres (9,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,749,000 (Apr 2024) |
| Tax Bill | $20,735 (2026) |
| Deeds & Mortgages | Apr 2024 Mortgage Dec 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 525030-0100 |
| Primary APN | 525030-0100 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 3,080 sqft Living Area |
| Gross Area | 3,360 sqft |
| 1st Floor Area | 2,200 sqft |
| Basement Area | 880 sqft |
| Finished Basement | 880 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Exterior Material | Brick |
| Lot Area | 9,000 sqft (0.207 acres) |
| Terrain | Steep |
| View / Lot | Water View |
| Garage Type | Attached |
| Garage Area | 280 sqft |
| Porch | Open Porch |
| Deck Area | 400 sqft |
| Heating System | Heat Pump |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 525030010009 |
|---|---|
| Street Address | 3921 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 N 1/2 OF 17 & ALL OF 18-19 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 15 |
| Legal Subdivision | MAYNARDS LAKE WASHINGTON REPLAT BL 75 |
| Legal Lot Number | 17 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 10102 |
3921 48th Ave S is owned and occupied by two individuals who bought it in April 2024.
Source: King County records, as of August 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3921 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 |
|---|---|
| Apr 16, 2024 | Deed of Trust, Mortgage · Conventional Mortgage CITIBANK NA |
| Dec 17, 2019 | Deed of Trust, Mortgage · Conventional Mortgage CITYWIDE HMS LNS |
| Oct 26, 2018 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 16, 2024 · Amount on File |
| Deed Sale | Apr 16, 2024 · Amount on File |
| Prior Sale | May 18, 2009 · Amount on File |
| Deed Document Number | 2024659 |
| Prior Transfer Date | Nov 10, 1995 |
| Prior Transfer Doc | 0000001062 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 3921 48TH AVE S, SEATTLE, WA 98118-1221 |
| Transaction Type | Mortgage |
| Record Updated | May 1, 2024 |
| Title Company | CW TITLE |
| Name | Verified Name |
|---|---|
| Address | 5120 S HOLLY ST, SEATTLE, WA 98118-3435 |
| Document Number | 0000000660 |
|---|---|
| Date | Apr 16, 2024 |
| Instrument | 20240416000660 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Address | 1000 TECHNOLOGY DR, O FALLON, MO 63368 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2054 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 3921 48TH AVE S, SEATTLE, WA 98118-1221 |
| Document Number | 0000001398 |
| Instrument Date | Dec 17, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jan 7, 2020 |
| Title Company | FIRST AMERICAN |
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 3921 48TH AVE S SEATTLE WA 981181221, SEATTLE, WA 98118-1221 |
| Document Number | 0000001398 |
|---|---|
| Date | Dec 23, 2019 |
| Instrument | 201912231398 |
| Name | CITYWIDE HMS LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | SANDY, UT 84070 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Dec 22, 2034 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Oct 26, 2018 |
| Property Address | 3921 48TH AVE S, SEATTLE, WA 98118-1221 |
| Document Number | 0000000243 |
| Instrument Date | Oct 12, 2018 |
| Instrument | 201810260243 |
| Transaction Type | Transfer |
| Record Updated | Nov 22, 2018 |
| Title Company | ATTORNEY ONLY |
| Amount | Amount on Record |
|---|---|
| Tax | $10.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 3921 48TH AVE S SEATTLE WA 981181221, SEATTLE, WA 98118-1221 |
The 2026 property tax bill for 3921 48th Ave S was $20,735, up 16.8% 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 | $20,735.00 (+16.84%) | ||
| 2025 | $17,746.00 | $1,992,000 (+9.03%) Land $961,000 Building $1,031,000 | $1,992,000 (+9.03%) Land $961,000 Building $1,031,000 |
| 2024 | $17,746.00 | $1,827,000 Land $825,000 Building $1,002,000 | $1,827,000 Land $825,000 Building $1,002,000 |
| 2022 | $13,585.00 | $1,567,000 Land $638,000 Building $929,000 | $1,567,000 Land $638,000 Building $929,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3921 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 3921 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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