405 N William St, Post Falls, ID 83854 Property Records

Kootenai County property record for 405 N William St, Post Falls, ID 83854

Property Summary

Property Type	Other Improved
Details	7,626 sqft · built 1890
Lot Size	0.289 acres (12,589 sqft)
Owner	Company Name on File
Tax Bill	$5 (2025)
Flood Zone	Zone X (minimal risk)
APN	`P6900009018A`

Property Details

APN / Parcel Number

Primary APN	`P6900009018A`
Alternative APN	`225123`

Interior

Building Area	7,626 sqft Total Area

Exterior

Year Built	Built 1890
Lot Area	12,589 sqft (0.289 acres)

Location & Zoning

Account Number	225123
Street Address	405 N WILLIAM ST
City	POST FALLS
State	ID
Zip	83854-9512
Property Category	Other
Property Type	Other > Other Improved
Legal Description	POST FALLS, LTS 18,19,20 BLOCK 9 PF DOWNTOWN URD 2022 0350N05W
Legal Subdivision	POST FALLS
Legal Block	9
Legal Lot Number	18-20
Jurisdiction	KOOTENAI ID
Township / Civil Division	POST FALLS-RATHDRUM
Census Block Group	1
Census Block	1004
Census Tract	602

Owner

Source: Kootenai County assessment roll, as of January 1, 2025

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	405 N WILLIAM ST, POST FALLS, ID 83854-9512
Occupancy	Owner Occupied
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Jun 8, 2026

Tax Assessment & Valuation

Source: Kootenai County assessment roll, as of January 1, 2025

Property Jurisdictions

Type	Name
State	Idaho
County	Kootenai County
Municipality	Post Falls City
Unified School District	Post Falls School District 273 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$5.00	$760,221 (+18.46%) Land $221,795 Building $538,426	$760,221 (+18.46%) Land $221,795 Building $538,426
2024	$5.00
2023	$5.00 Additional exemption filed	$641,739 (+10.55%) Land $192,811 Building $448,928	$641,739 (+10.55%) Land $192,811 Building $448,928
2022	$5.00 Additional exemption filed	$580,493 Land $131,565 Building $448,928	$580,493 Land $131,565 Building $448,928

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 15, 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

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 95% of Idaho
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF POST FALLS serves 20,285 people · EPA ID ID1280147
Water Source	Groundwater
Last State Inspection	Sep 2025
Lead	1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Coliform assessment Jan 2021
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 95 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
TDS Telecom Fiber	8,000 / 8,000
Northwest Fiber Fiber	6,000 / 6,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Concept Communications Fixed Wireless	100 / 20
Newmax Fixed Wireless · Fiber in parts of the area	100 / 20
AT&T Fixed Wireless	100 / 20
T-Mobile USA Fixed Wireless	100 / 20