King County property record for 4435 S Frontenac St, Seattle, WA 98118
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 1.5 ba · 2,570 sqft · built 1965 |
| Lot Size | 0.295 acres (12,840 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $9,075 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 381240-0888 |
| Primary APN | 381240-0888 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 2,570 sqft Living Area |
| Gross Area | 2,880 sqft |
| 1st Floor Area | 1,470 sqft |
| Basement Area | 1,410 sqft |
| Finished Basement | 1,100 sqft |
| Unfinished Basement | 310 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 12,840 sqft (0.295 acres) |
| Garage Type | Carport |
| Garage Area | 570 sqft |
| Carport | Carport |
| Carport Area | 570 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 120 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 381240088801 |
|---|---|
| Street Address | 4435 S FRONTENAC ST |
| City | SEATTLE |
| State | WA |
| Zip | 98118-3625 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RSL (M) |
| Legal Description | KELSEYS BRIGHTON BEACH ACRE TRS N 166.2 FT OF FOLG- E 16.5 OF W 1/2 OF 74 & E 1/2 OF 74 & W 9 FT OF 75 LESS ST |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 27 |
| Legal Subdivision | KELSEYS BRIGHTON BEACH ACRE TRS |
| Legal Tract | N |
| Legal Lot Number | 74-75 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 11101 |
4435 S Frontenac St is owned by a company that acquired it in February 2025.
Source: King County records, as of July 7, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 10424 11TH AVE NE, SEATTLE, WA 98125-7504 |
| Owner Type | Company |
| Vesting | Life Tenant |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Feb 18, 2025 |
| Transfer Doc | 0000000666 |
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 4435 S Frontenac St was $9,075.
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 | $9,075.00 | ||
| 2025 | $788,000 (-) Land $787,000 Building $1,000 | $788,000 (-) Land $787,000 Building $1,000 | |
| 2024 | $8,477.00 | $788,000 Land $787,000 Building $1,000 | $788,000 Land $787,000 Building $1,000 |
| 2022 | $7,077.00 | $736,000 Land $735,000 Building $1,000 | $736,000 Land $735,000 Building $1,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4435 S Frontenac St 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 4435 S Frontenac St 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 769 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
May also be available: AT&T, T-Mobile, Verizon.
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