304 Old Mill Rd, Sunnyvale, TX 75182 Property Records

Dallas County property record for 304 Old Mill Rd, Sunnyvale, TX 75182

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,439 sqft · built 2004
Lot Size	0.301 acres (13,116 sqft)
Owner	2 Trust Names on File
Last Sale	$314,800 (Dec 2004)
Tax Bill	$2,962 (2025)
Deeds & Mortgages	Nov 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`520067800C01100`

Property Details

APN / Parcel Number

Primary APN	`520067800C01100`
Alternative APN	`52-00678-00C-011-0000`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	3,439 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace
Fire Sprinklers	Fire Sprinklers

Exterior

Year Built	Built 2004
Effective Year Built	Effective 2004
Exterior Material	Brick Veneer
Construction Type	Frame
Roof Type	Gable/Hip
Roof Material	Composition Shingle
Lot Area	13,116 sqft (0.301 acres)
Lot Dimensions	145 ft deep x 90 ft wide
Garage Type	Attached
Garage Area	734 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	520067800C01100
Street Address	304 OLD MILL RD
City	SUNNYVALE
State	TX
Zip	75182-2633
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	Z281
Legal Description	HOMESTEAD PH 2B BLK C LT 11 VOL2004245/12465 DD11242004 CO-DC 0067800C01100 1TS0067800C
Legal Subdivision	HOMESTEAD PH 2B
Legal Tract	678
Legal Block	C
Legal Lot Number	11
Jurisdiction	DALLAS TX
Township / Civil Division	NORTHEAST DALLAS
Census Block Group	1
Census Block	1023
Census Tract	18159

Owner

304 Old Mill Rd is owner-occupied and held in a trust since February 2010.

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

Owner of Record	2 Trust Names on File
Mailing Address	304 OLD MILL RD, SUNNYVALE, TX 75182-2633
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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 21, 2004 · Amount on File
Deed Sale	Dec 21, 2004 · Amount on File
Deed Book / Page	2004245 / 12465
Last Transfer Date	Feb 1, 2010
Transfer Doc	0000334448
Record Updated	Sep 20, 2026

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	DALLAS TX
Recording Date	Nov 5, 2021
Property Address	304 OLD MILL RD, SUNNYVALE, TX 75182-2633
Document Number	202100334448
Map Reference	VOL 2004032 PG 223
Instrument Date	Feb 1, 2010
Instrument	202100334448
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	304 OLD MILL RD, SUNNYVALE, TX 75182-2633

Tax Assessment & Valuation

The 2025 property tax bill for 304 Old Mill Rd was $2,962 with exemptions applied, down 58.9% 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		$640,960 (-) Land $150,000 Building $490,960	$640,960 (-) Land $150,000 Building $490,960
2025	$2,962.00 (-58.95%) Homeowner's exemption Senior Citizen's exemption	$640,960 Land $150,000 Building $490,960	$640,960 Land $150,000 Building $490,960
2024	$7,215.00 (+12.7%)
2023	$6,402.00 (-9.58%) Homeowner's exemption Senior Citizen's exemption	$570,280 Land $150,000 Building $420,280	$570,280 Land $150,000 Building $420,280
2022	$7,080.00

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

Flood

FEMA maps place 304 Old Mill Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2026.

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	1 (2026)
Most Recent Claim	Jun 2026 · rainfall accumulation

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 304 Old Mill Rd is low, with a 0.01% annual chance of 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 94% of Texas
Wildfire Likelihood	0.01% 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 330 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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