King County property record for 100 20th Ave E, Seattle, WA 98112
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 17,694 sqft · built 1972 |
| Lot Size | 0.443 acres (19,282 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,663 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 304320-0045 |
| Primary APN | 304320-0045 |
|---|---|
| Alternative APNs |
|
| Units | 22 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 17,694 sqft |
| Gross Area | 20,368 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Custom Design |
| Exterior Material | Concrete Block |
| Construction Type | Wood |
| Lot Area | 19,282 sqft (0.443 acres) |
| Garage Type | Open |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Floor/Wall Furnace |
| Heating Fuel | Electric |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 304320004506 |
|---|---|
| Street Address | 100 20TH AVE E |
| City | SEATTLE |
| State | WA |
| Zip | 98112-5385 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | LR3 (M) |
| Legal Description | SEATTLE LOTS 1 THRU 4 BLK 10 HALLS ADD; TGW LOTS 1 & 2 BLK 4 JANSENS ADD LESS N 38 FT OF SD LOT 2 BLK 4 TAXABLE POR PER RCW 84.36.560 DOR # 10228-135 |
| Legal Subdivision | HALLS ADD TO SEATTLE |
| Legal Block | 10,4 |
| Legal Lot Number | 1-4 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 7600 |
Source: King County records · APN 304320-0045
Assessment roll updated July 7, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 506 2ND AVE, 20, SEATTLE, WA 98104-2343 |
| Owner Type | Company |
| Vesting | Limited Partnership |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: King County records · Assessment roll updated July 7, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Seattle City |
| Unified School District | Seattle Public Schools (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,663.00 (+31.28%) | ||
| 2025 | $94,000 (-98.52%) Land $82,700 Building $11,300 | $94,000 (-98.52%) Land $82,700 Building $11,300 | |
| 2024 | $3,552.00 (+16.23%) Additional exemption filed | $6,363,000 Land $6,170,200 Building $192,800 | $6,363,000 Land $6,170,200 Building $192,800 |
| 2022 | $3,056.00 (+13.4%) Additional exemption filed | ||
| 2021 | $2,695.00 |
Source: FEMA National Flood Hazard Layer as of September 23, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Google Fiber, Lumen Technologies.
Based on FCC filings for 878 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | SEATTLE PUBLIC UTILITIES serves 1,161,961 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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