King County property record for 2309 23rd Ave S, Seattle, WA 98144
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,580 sqft · built 1961 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,932 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 539360-1225 |
| Primary APN | 539360-1225 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,580 sqft Living Area |
| Gross Area | 1,820 sqft |
| 1st Floor Area | 910 sqft |
| Basement Area | 670 sqft |
| Finished Basement | 670 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 80 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 539360122508 |
|---|---|
| Street Address | 2309 23RD AVE S |
| City | SEATTLE |
| State | WA |
| Zip | 98144-5338 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RSL (M) |
| Legal Description | MC NAUGHTS CENTRAL SEATTLE ADD PLAT BLOCK: 90 PLAT LOT: 9 |
| Legal Range | 04 |
| Legal Township | 24 |
| Legal Section | 09 |
| Legal Subdivision | MC NAUGHTS CENTRAL SEATTLE ADD |
| Legal Block | 90 |
| Legal Lot Number | 9 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2047 |
| Census Tract | 9400 |
2309 23rd Ave S is owned and occupied by an individual.
Source: King County records, as of July 7, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2309 23RD AVE S, SEATTLE, WA 98144-5338 |
| Occupancy | Owner Occupied |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2026 property tax bill for 2309 23rd Ave S was $1,932 with a senior citizen's exemption.
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 | $1,932.00 Senior Citizen's exemption | ||
| 2025 | $675,000 (+3.53%) Land $544,000 Building $131,000 | $675,000 (+3.53%) Land $544,000 Building $131,000 | |
| 2024 | $1,884.00 | $652,000 Land $544,000 Building $108,000 | $652,000 Land $544,000 Building $108,000 |
| 2022 | $6,014.00 | $656,000 Land $416,000 Building $240,000 | $656,000 Land $416,000 Building $240,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 2309 23rd Ave S in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1994.
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 | 2 in force |
| Nearby Flood Claims | 1 (1994) |
| Most Recent Claim | Dec 1994 · other causes |
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.
Wildfire risk around 2309 23rd Ave S is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.6% of Washington |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 778 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber | 8,000 / 8,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Google Fiber.
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