100 Cooper St, Mattawa, WA 99349 Property Records

Grant County property record for 100 Cooper St, Mattawa, WA 99349

Property Summary

Property Type	Mobile Home
Details	3 bd · 2.5 ba · 1,056 sqft · built 2000
Lot Size	0.08 acres (3,472 sqft)
Owner	Individual Name on Record
Tax Bill	$2,392 (2025)
Deeds & Mortgages	Feb 2024 Mortgage Feb 2024 Transfer
Flood Zone	Zone X (minimal risk)
APN	`TIRA5801B`

Property Details

APN / Parcel Number

Primary APN	`TIRA5801B`
Alternative APNs	`030425000` `30425000`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,056 sqft Living Area
1st Floor Area	1,056 sqft

Exterior

Year Built	Built 2000
Effective Year Built	Effective 2010
Architectural Style	Mobile Home
Lot Area	3,472 sqft (0.08 acres)
Lot Dimensions	112 ft deep x 31 ft wide

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	TIRA5801B
Street Address	203 N PORTAGE AVE
City	MATTAWA
State	WA
Zip	99349-5136
Property Category	Residential
Property Type	Residential > Prefabricated > Mobile Home
Legal Description	LOT 15 BLOCK 8 KISLER 1ST ADD
Legal Subdivision	KISLER 1ST ADD
Legal Block	8
Legal Lot Number	15
Jurisdiction	GRANT WA
Township / Civil Division	MATTAWA-ROYAL CITY
Census Block Group	3
Census Block	3038
Census Tract	11403

Owner

Source: Grant County records, as of December 18, 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	203 N PORTAGE AVE, MATTAWA, WA 99349-5136
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single

Deeds, Mortgages & Sale History

Date	Document
Feb 29, 2024	Intrafamily Transfer, Transfer · Conventional Mortgage UMPQUA BANK
Feb 29, 2024	Affidavit of Death of Joint Tenant, Transfer TRICO TITLE COMPANY, TICOR TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Feb 29, 2024
Transfer Doc	0001496366
Record Updated	Sep 20, 2026

February 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	GRANT WA
Recording Date	Feb 29, 2024
Property Address	100 COOPER ST, MATTAWA, WA 99349
Document Number	0001496367
Map Reference	CVOL 7 PG 38
Instrument Date	Feb 24, 2024
Instrument	1496367
Transaction Type	Transfer
Record Updated	Mar 13, 2024
Title Company	TRICO TITLE COMPANY, TICOR TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	203 N PORTAGE AVE, MATTAWA, WA 99349-5136

Mortgage

Document Number	0001496368
Date	Feb 29, 2024
Instrument	1496368

Lender

Name	UMPQUA BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Mar 1, 2044

February 2024: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	GRANT WA
Recording Date	Feb 29, 2024
Property Address	100 COOPER ST, MATTAWA, WA 99349
Document Number	0001496366
Map Reference	VOL 7 PG 38
Instrument Date	Feb 24, 2024
Instrument	1496366
Transaction Type	Transfer
Record Updated	Mar 13, 2024
Title Company	TRICO TITLE COMPANY, TICOR TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

Tax Assessment & Valuation

Source: Grant County assessment roll, as of October 29, 2025

Property Jurisdictions

Type	Name
State	Washington
County	Grant County
Municipality	Mattawa City
Unified School District	Wahluke School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$2,392.00	$239,088 (+53.08%)	$239,088 (+53.08%) Land $18,000 Building $221,088
2023		$156,180 (+43.63%) Land $18,000 Building $138,180	$156,180 (+43.63%) Land $18,000 Building $138,180
2022		$108,740 Land $18,000 Building $90,740	$108,740 Land $18,000 Building $90,740

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 29, 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.

Wildfire

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

Wildfire Risk	Moderate above 47% of the US · lower than 63% of Washington
Wildfire Likelihood	0.09% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Water System	City of Mattawa serves 5,370 people · EPA ID WA5352000
Water Source	Groundwater
Last State Inspection	Sep 2022
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	E. coli resolved · Jun 2024
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 64 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Grant PUD Fiber	1,000 / 1,000
Starlink Satellite	280 / 30

May also be available: AT&T, Ziply Fiber.

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