278 Ontario Loop, Sunnyvale, TX 75182 Property Records

Dallas County property record for 278 Ontario Loop, Sunnyvale, TX 75182

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,282 sqft · built 2019
Lot Size	0.421 acres (18,333 sqft)
Owner	2 Individual Names on File
Last Sale	$342,500 (Dec 2019)
Tax Bill	$11,221 (2025)
Deeds & Mortgages	Dec 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`520090200H01400`

Property Details

APN / Parcel Number

Primary APN	`520090200H01400`
Alternative APN	`52-00902-00H-014-0000`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Stories	1 Story
Building Area	3,282 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace
Fire Sprinklers	Fire Sprinklers

Exterior

Year Built	Built 2019
Effective Year Built	Effective 2019
Exterior Material	Brick Veneer
Construction Type	Frame
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	18,333 sqft (0.421 acres)
Garage Type	Attached
Garage Area	704 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	520090200H01400
Street Address	278 ONTARIO LOOP
City	SUNNYVALE
State	TX
Zip	75182-0032
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	Z267
Legal Description	STONEY CREEK PH 2F BLK H LT 14 INT201900335884 DD12112019 CO-DC 0090200H01400 1TS0090200H
Legal Subdivision	STONEY CREEK PH 2F
Legal Block	H
Legal Lot Number	14
Jurisdiction	DALLAS TX
Township / Civil Division	NORTHEAST DALLAS
Census Block Group	2
Census Block	2039
Census Tract	18159

Owner

278 Ontario Loop is owned and occupied by two individuals who bought it in December 2019.

Source: Dallas County records, as of August 10, 2026

Owner of Record	2 Individual Names on File
Mailing Address	278 ONTARIO LOOP, SUNNYVALE, TX 75182-0032
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.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 16, 2019 · Amount on File
Deed Sale	Dec 16, 2019 · Amount on File
Deed Document Number	2019335884
Prior Transfer Date	Dec 11, 2019
Prior Transfer Doc	0000335884
Record Updated	Sep 20, 2026

December 2019: Vendor's Lien, Subdivision Related Transfer

Document Type	Vendor's Lien
Jurisdiction	DALLAS TX
Recording Date	Dec 16, 2019
Property Address	278 ONTARIO LOOP, SUNNYVALE, TX 75182-0032
Document Number	201900335884
Map Reference	FILE 201900045178
Instrument Date	Dec 11, 2019
Instrument	201900335884
Transaction Type	Subdivision Related Transfer
Record Updated	Nov 25, 2021

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	10110 W SAM HOUSTON PKWY N # NA-100, 10110, HOUSTON, TX 77064-7508

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	278 ONTARIO LOOP, SUNNYVALE, TX 75182-0032

Mortgage

Document Number	201900335885
Date	Dec 16, 2019
Instrument	201900335885

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Special Notes	Seller Financed

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 278 Ontario Loop was $11,221 with exemptions applied, up 8.6% from the year before.

Source: Dallas County assessment roll, as of August 10, 2026

Property Jurisdictions

Type	Name
State	Texas
County	Dallas County
Municipality	Sunnyvale Town
Unified School District	Sunnyvale Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$641,980 (-) Land $150,000 Building $491,980	$641,980 (-) Land $150,000 Building $491,980
2025	$11,221.00 (+8.55%) Homeowner's exemption	$641,980 Land $150,000 Building $491,980	$641,980 Land $150,000 Building $491,980
2024	$10,337.00 (+10.54%)
2023	$9,351.00 (-9.16%) Homeowner's exemption	$683,330 Land $150,000 Building $533,330	$683,330 Land $150,000 Building $533,330
2022	$10,294.00

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

Flood

FEMA maps place 278 Ontario Loop in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	9 in force
Nearby Flood Claims	1 (2024)
Most Recent Claim	May 2024 · Severe Storms, Straight-line Winds, Tornadoes, And Flooding

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

Wildfire risk around 278 Ontario Loop is low, with a 0.03% annual chance of wildfire.

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

Wildfire Risk	Low lower than 67% of the US · lower than 91% of Texas
Wildfire Likelihood	0.03% annual chance
Exposure	None beyond ember reach

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	TOWN OF SUNNYVALE serves 8,839 people · EPA ID TX0570059
Water Source	Purchased surface water from NORTH TEXAS MWD WYLIE WTP
Last State Inspection	Nov 2025
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 202 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Spectrum Cable	1,000 / 1,000

May also be available: Nextlink, Verizon.

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