478 Boulder Ln, Sunnyvale, TX 75182 Property Records

Dallas County property record for 478 Boulder Ln, Sunnyvale, TX 75182

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,597 sqft · built 2007
Lot Size	0.374 acres (16,304 sqft)
Owner	2 Individual Names on File
Last Sale	$882,189 (Jul 2024)
Tax Bill	$12,180 (2025)
Deeds & Mortgages	Apr 2024 Transfer Aug 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`52-00896-000-174-0000`

Property Details

APN / Parcel Number

Primary APN	`52-00896-000-174-0000`
Alternative APN	`520089600017400`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Stories	2 Stories
Building Area	3,597 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace
Fire Sprinklers	Fire Sprinklers

Exterior

Year Built	Built 2007
Effective Year Built	Effective 2007
Exterior Material	Brick Veneer
Construction Type	Frame
Roof Type	Hip
Roof Material	Composition Shingle
Lot Area	16,304 sqft (0.374 acres)
Garage Type	Attached
Garage Area	664 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	520089600017400
Street Address	478 BOULDER LN
City	SUNNYVALE
State	TX
Zip	75182-4626
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	Z265
Legal Description	STONE CANYON EAST PH IV BLK LT 174 INT202400139089 DD07112024 CO-DC 0089600017400 3TS00896000
Legal Subdivision	STONE CANYON EAST PH IV
Legal Block	LT
Legal Lot Number	174
Jurisdiction	DALLAS TX
Township / Civil Division	NORTHEAST DALLAS
Census Block Group	2
Census Block	2027
Census Tract	18158

Owner

478 Boulder Ln is owned and occupied by two individuals who bought it in July 2024.

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

Owner of Record	2 Individual Names on File
Mailing Address	478 BOULDER LN, SUNNYVALE, TX 75182-4626
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

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

Date	Document
Apr 1, 2024	Intrafamily Transfer, Transfer
Aug 31, 2021	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 12, 2024 · Amount on File
Deed Sale	Jul 12, 2024 · Amount on File
Prior Sale	Oct 10, 2007 · Amount on File
Deed Document Number	2024139089
Prior Transfer Date	Apr 1, 2024
Prior Transfer Doc	0000063995
Record Updated	Sep 20, 2026

April 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	DALLAS TX
Recording Date	Apr 1, 2024
Property Address	478 BOULDER LN, SUNNYVALE, TX 75182-4626
Document Number	0000063995
Instrument Date	Apr 1, 2024
Instrument	202400063995
Transaction Type	Transfer
Record Updated	Apr 17, 2024

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	478 BOULDER LN, SUNNYVALE, TX 75182-4626

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DALLAS TX
Property Address	478 BOULDER LN, SUNNYVALE, TX 75182-4626
Transaction Type	Mortgage
Record Updated	Nov 25, 2021
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	202100259492
Date	Aug 31, 2021
Instrument	202100259492

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 478 Boulder Ln was $12,180 with exemptions applied, up 33.9% 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		$655,480 (-4.89%) Land $156,000 Building $499,480	$655,480 (-4.89%) Land $156,000 Building $499,480
2025	$12,180.00 (+33.89%) Homeowner's exemption	$689,190 Land $156,000 Building $533,190	$689,190 Land $156,000 Building $533,190
2024	$9,097.00 (+2.41%)
2023	$8,883.00 (-9.14%) Homeowner's exemption	$520,500 Land $156,000 Building $364,500	$520,500 Land $156,000 Building $364,500
2022	$9,777.00

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

Flood

FEMA maps place 478 Boulder Ln 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	8 in force
Nearby Flood Claims	1 (2016)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Aug 2016 · other causes

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 478 Boulder Ln is low, with a 0.02% annual chance of wildfire.

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

Wildfire Risk	Low lower than 97% of the US · lower than 98.3% of Texas
Wildfire Likelihood	0.02% annual chance
Exposure	Direct burnable vegetation

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 106 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Nextlink Fixed Wireless	500 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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