King County property record for 4852 40th Ave SW, Unit B, Seattle, WA 98116
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 1.75 ba · 1,740 sqft · built 2014 |
| Lot Size | 0.029 acres (1,256 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $790,000 (Nov 2025) |
| Tax Bill | $7,888 (2026) |
| Deeds & Mortgages | Nov 2025 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 612660-0937 |
| Primary APN | 612660-0937 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Stories | 3 Stories |
| Building Area | 1,740 sqft Living Area |
| Gross Area | 1,950 sqft |
| 1st Floor Area | 590 sqft |
| 2nd Floor Area | 600 sqft |
| Upper Floors Area | 550 sqft |
| Basement Area | 210 sqft |
| Year Built | Built 2014 |
|---|---|
| Effective Year Built | Effective 2014 |
| Architectural Style | Townhouse |
| Lot Area | 1,256 sqft (0.029 acres) |
| Garage Type | Attached |
| Garage Area | 210 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 370 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 612660093701 |
|---|---|
| Street Address | 4852 40TH AVE SW, B |
| City | SEATTLE |
| State | WA |
| Zip | 98116-4506 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | LR2 (M) |
| Legal Description | NORRIS ADD TO W S LOT CC SEATTLE SP#3016729 REC# 20140430900002 SD SP DAF - LOT B SE LBA# 8905845 REC#9005231346 DAF-LOT 28 TGW LOT 29 LESS N 17FT SD BLK 4 |
| Legal Range | 03 |
| Legal Township | 24 |
| Legal Section | 23 |
| Legal Subdivision | NORRIS ADD TO W S |
| Legal Block | 4 |
| Legal Lot Number | 28-29 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 10501 |
4852 40th Ave SW, Unit B is owned by two individuals who bought it in November 2025.
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 | 4852 40TH AVE SW, B, SEATTLE, WA 98116-4506 |
| Owner Type | Individual |
| Vesting | Married Couple |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 26, 2025 · Amount on File |
| Deed Sale | Nov 26, 2025 · Amount on File |
| Prior Sale | Jun 30, 2021 · Amount on File |
| Deed Document Number | 2025110 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Nov 26, 2025 |
| Property Address | 4852 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Document Number | 0000000110 |
| Map Reference | DOC 20140430900002 |
| Instrument Date | Nov 21, 2025 |
| Instrument | 20251126000110 |
| Transaction Type | Transfer |
| Record Updated | Dec 9, 2025 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE LTD |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $13,122.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4852 40TH AVE SW # B, B, SEATTLE, WA 98116-4506 |
| Document Number | 0000000111 |
|---|---|
| Date | Nov 26, 2025 |
| Instrument | 20251126000111 |
| Name | RESIDENTIAL MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2055 |
The 2026 property tax bill for 4852 40th Ave SW, Unit B was $7,888, up 8.7% 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 | $7,888.00 (+8.65%) | ||
| 2025 | $7,260.00 | $769,000 (+0.92%) Land $299,000 Building $470,000 | $769,000 (+0.92%) Land $299,000 Building $470,000 |
| 2024 | $7,260.00 | $762,000 Land $299,000 Building $463,000 | $762,000 Land $299,000 Building $463,000 |
| 2022 | $5,910.00 | $699,000 Land $169,000 Building $530,000 | $699,000 Land $169,000 Building $530,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4852 40th Ave SW, Unit B in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 23, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 4852 40th Ave SW, Unit B 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 637 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 8,000 / 8,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband.
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