King County property record for 4850 40th Ave SW, Seattle, WA 98116
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,490 sqft · built 1913 |
| Lot Size | 0.049 acres (2,148 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $710,000 (Aug 2021) |
| Tax Bill | $6,525 (2026) |
| Deeds & Mortgages | Aug 2021 Sale & Mortgage Apr 2019 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 612660-0935 |
| Primary APN | 612660-0935 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,490 sqft Living Area |
| 1st Floor Area | 770 sqft |
| Basement Area | 720 sqft |
| Finished Basement | 720 sqft |
| Year Built | Built 1913 |
|---|---|
| Effective Year Built | Effective 1913 |
| Architectural Style | Triplex |
| Lot Area | 2,148 sqft (0.049 acres) |
| Deck Area | 110 sqft |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 612660093503 |
|---|---|
| Street Address | 4850 40TH AVE SW |
| City | SEATTLE |
| State | WA |
| Zip | 98116-4506 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | LR2 (M) |
| Legal Description | NORRIS ADD TO W S LOT AA 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 |
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4850 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried |
| Date | Document |
|---|---|
| Aug 9, 2021 | Warranty Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Apr 29, 2019 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Apr 11, 2017 | Warranty Deed, Transfer · Conventional Mortgage CALIBER HM LOANS |
| Jan 30, 2017 | Quit Claim Deed, Transfer TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Jan 30, 2017 | Warranty Deed, Transfer · Conventional Mortgage VELOCITY COM'L CAP |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 9, 2021 · Amount on Record |
| Deed Sale | Aug 9, 2021 · Amount on Record |
| Prior Sale | Apr 11, 2017 · Amount on Record |
| Deed Document Number | 20211397 |
| Prior Transfer Date | Jan 26, 2017 |
| Prior Transfer Doc | 0000001481 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Aug 9, 2021 |
| Property Address | 4850 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Document Number | 0000001397 |
| Map Reference | DOC 20140430900002 |
| Instrument Date | Aug 3, 2021 |
| Instrument | 20210809001397 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $11,743.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4850 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Document Number | 0000001398 |
|---|---|
| Date | Aug 9, 2021 |
| Instrument | 20210809001398 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 4850 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIDELITY NATIONAL TTL OF OR |
| Name | Verified Name |
|---|
| Document Number | 0000000799 |
|---|---|
| Date | Apr 29, 2019 |
| Instrument | 20190429000799 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | May 1, 2034 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Apr 11, 2017 |
| Property Address | 4850 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Document Number | 0000001155 |
| Instrument Date | Apr 7, 2017 |
| Instrument | 201704111155 |
| Transaction Type | Transfer |
| Record Updated | Apr 17, 2017 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 4850 40TH AVE SW SEATTLE WA 981164506, SEATTLE, WA 98116-4506 |
| Document Number | 1156 |
|---|---|
| Date | Apr 11, 2017 |
| Instrument | 201704111156 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | IRVING, TX 75063 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 10, 2047 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Jan 30, 2017 |
| Property Address | 4850 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Document Number | 0000001481 |
| Instrument Date | Jan 26, 2017 |
| Instrument | 201701301481 |
| Transaction Type | Transfer |
| Record Updated | Feb 3, 2017 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 1051 HOMESTEAD DR BURLINGTON WA 982333049, BURLINGTON, WA 98233-3049 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Jan 30, 2017 |
| Property Address | 4850 40TH AVE SW, SEATTLE, WA 98116-4506 |
| Document Number | 0000001480 |
| Instrument Date | Jan 26, 2017 |
| Instrument | 201701301480 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2017 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 1051 HOMESTEAD DR BURLINGTON WA 982333049, BURLINGTON, WA 98233-3049 |
| Document Number | 1482 |
|---|---|
| Date | Jan 30, 2017 |
| Instrument | 201701301482 |
| Name | VELOCITY COM'L CAP |
|---|---|
| Type | Funding / Finance Company |
| Address | WESTLAKE VILLAGE, CA 91362 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $6,525.00 (-11.25%) | ||
| 2025 | $609,000 (-18.69%) Land $312,000 Building $297,000 | $609,000 (-18.69%) Land $312,000 Building $297,000 | |
| 2024 | $7,352.00 (+28.04%) | $749,000 (+13.31%) Land $312,000 Building $437,000 | $749,000 (+13.31%) Land $312,000 Building $437,000 |
| 2022 | $5,742.00 | $661,000 Land $247,000 Building $414,000 | $661,000 Land $247,000 Building $414,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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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