King County property record for 4509 Midvale Ave N, Seattle, WA 98103
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,850 sqft · built 1912 |
| Lot Size | 0.048 acres (2,069 sqft) |
| Owner | Individual Name on File |
| Last Sale | $310,000 (Nov 2009) |
| Tax Bill | $8,051 (2026) |
| Deeds & Mortgages | Jun 2021 Mortgage Jun 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 686520-0996 |
| Primary APN | 686520-0996 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,850 sqft Living Area |
| Gross Area | 2,010 sqft |
| 1st Floor Area | 780 sqft |
| Upper Floors Area | 490 sqft |
| Basement Area | 580 sqft |
| Finished Basement | 580 sqft |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1912 |
| Architectural Style | Duplex Single |
| Lot Area | 2,069 sqft (0.048 acres) |
| View / Lot | Highway |
| Garage Type | Attached |
| Garage Area | 160 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 686520099603 |
|---|---|
| Street Address | 4509 MIDVALE AVE N |
| City | SEATTLE |
| State | WA |
| Zip | 98103-6640 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | LR2 (M1) |
| Legal Description | PORTERFIELDS ADD E 40 FT OF LOT 2 LY SWLY OF N MIDVALE PL TGW POR VAC ST ADJ & N 17 FT OF E 40 FT OF LOT 3 TGW POR VAC ST ADJ |
| Legal Range | 04 |
| Legal Township | 25 |
| Legal Section | 07 |
| Legal Subdivision | PORTERFIELDS ADD |
| Legal Block | 20 |
| Legal Lot Number | 2 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 5000 |
4509 Midvale Ave N, a duplex, is owned by an individual who bought it in November 2009.
Source: King County records, as of July 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1761 NW 61ST ST, 5, SEATTLE, WA 98107-2370 |
| Owner Type | Individual |
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 |
|---|---|
| Jun 28, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP |
| Jun 15, 2017 | Deed of Trust, Mortgage · Conventional Mortgage RPM MORTGAGE INC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 17, 2009 · Amount on File |
| Deed Sale | Nov 17, 2009 · Amount on File |
| Prior Sale | Jun 8, 2009 · Amount on File |
| Deed Document Number | 20091838 |
| Prior Transfer Date | Jan 25, 1993 |
| Prior Transfer Doc | 0002010004 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 4509 MIDVALE AVE N, SEATTLE, WA 98103-6640 |
| Transaction Type | Mortgage |
| Record Updated | Jul 7, 2021 |
| Title Company | TICOR TITLE INSURANCE COMPANY, TICOR TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000000928 |
|---|---|
| Date | Jun 28, 2021 |
| Instrument | 20210628000928 |
| Name | FAIRWAY INDEPENDENT MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | CARROLLTON, TX 75007 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | KING WA |
| Property Address | 4509 MIDVALE AVE N, SEATTLE, WA 98103-6640 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | TICOR TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000000730 |
|---|---|
| Date | Jun 15, 2017 |
| Instrument | 20170615000730 |
| Name | RPM MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | ALAMO, CA 94507 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2047 |
The 2026 property tax bill for 4509 Midvale Ave N was $8,051.
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 | $8,051.00 | ||
| 2025 | $763,000 (+6.12%) Land $376,000 Building $387,000 | $763,000 (+6.12%) Land $376,000 Building $387,000 | |
| 2024 | $7,076.00 | $719,000 Land $349,000 Building $370,000 | $719,000 Land $349,000 Building $370,000 |
| 2022 | $6,627.00 | $770,000 Land $312,000 Building $458,000 | $770,000 Land $312,000 Building $458,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4509 Midvale Ave N 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 4509 Midvale Ave N 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 940 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
May also be available: Astound Broadband, AT&T, T-Mobile.
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