King County property record for 423 S 3rd St, Renton, WA 98057
| Property Type | Commercial Office |
|---|---|
| Details | 1,274 sqft · built 1906 |
| Lot Size | 0.121 acres (5,280 sqft) |
| Owner | Company Name on Record |
| Last Sale | $330,000 (Nov 2017) |
| Tax Bill | $4,586 (2026) |
| Deeds & Mortgages | Nov 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 784080-0005 |
| Primary APN | 784080-0005 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,274 sqft Gross Area |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 5,280 sqft (0.121 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 784080000507 |
|---|---|
| Street Address | 423 S 3RD ST |
| City | RENTON |
| State | WA |
| Zip | 98057-2040 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | CD |
| Legal Description | SMITHERS 4TH ADD TO RENTON PLAT BLOCK: 1 PLAT LOT: 1 |
| Legal Range | 05 |
| Legal Township | 23 |
| Legal Section | 18 |
| Legal Subdivision | SMITHERS 4TH ADD TO RENTON |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | KING WA |
| Township / Civil Division | SEATTLE EAST |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 25302 |
Source: King County records, as of July 7, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 423 S 3R ST, RENTON, WA 98057 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 6, 2017 · Amount on Record |
| Deed Sale | Nov 6, 2017 · Amount on Record |
| Prior Sale | Apr 29, 1985 · Amount on Record |
| Deed Document Number | 20171161 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KING WA |
| Recording Date | Nov 6, 2017 |
| Property Address | 423 S 3RD ST, RENTON, WA 98057-2040 |
| Document Number | 0000001161 |
| Instrument Date | Nov 3, 2017 |
| Instrument | 201711061161 |
| Transaction Type | Transfer |
| Record Updated | Nov 10, 2017 |
| Title Company | TICOR TITLE INSURANCE COMPANY |
| 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 | Company |
| Address | 647 STRANDER BLVD TUKWILA WA 981882922, TUKWILA, WA 98188-2922 |
| Document Number | 1162 |
|---|---|
| Date | Nov 6, 2017 |
| Instrument | 201711061162 |
| Name | KEYBANK USA |
|---|---|
| Type | Bank |
| Address | MAPLE VALLEY, WA 98038 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: King County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | Washington |
| County | King County |
| Municipality | Renton City |
| Unified School District | Renton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,586.00 (+21%) | ||
| 2025 | $3,790.00 | $407,700 (+16.35%) Land $229,600 Building $178,100 | $407,700 (+16.35%) Land $229,600 Building $178,100 |
| 2024 | $3,790.00 (+7.21%) | $350,400 (+1.86%) Land $229,600 Building $120,800 | $350,400 (+1.86%) Land $229,600 Building $120,800 |
| 2022 | $3,535.00 | $344,000 Land $227,000 Building $117,000 | $344,000 Land $227,000 Building $117,000 |
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
| 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.
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 | CITY OF RENTON serves 108,091 people · EPA ID WA5371850 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Dec 2022 |
| Lead | 2 ppb (2023–2025) 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 351 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 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, CenturyLink.
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