4628 Post Ln, Round Rock, TX 78681 Property Records

Williamson County property record for 4628 Post Ln, Round Rock, TX 78681

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,004 sqft · built 2020
Owner	2 Individual Names on Record
Tax Bill	$7,319 (2025)
Deeds & Mortgages	Sep 2021 Transfer Mar 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`R-20-5410-10BW-0016`

Property Details

APN / Parcel Number

Primary APN	`R-20-5410-10BW-0016`
Alternative APNs	`R596012` `420041`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Stories	2 Stories
Building Area	3,004 sqft Living Area
1st Floor Area	2,230 sqft
2nd Floor Area	774 sqft
Flooring	Tile
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2020
Effective Year Built	Effective 2022
Exterior Material	Stone
Foundation Type	Slab (Mat/Raft)
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	219 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R596012
Street Address	4628 POST LN
City	ROUND ROCK
State	TX
Zip	78681-2091
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	S12327 - HIGHLANDS AT MAYFIELD RANCH SEC 10B, BLOCK W, LOT 16
Legal Block	W
Legal Lot Number	16
Jurisdiction	WILLIAMSON TX
Township / Civil Division	ROUND ROCK-GEORGETOWN
Census Block Group	2
Census Block	2000
Census Tract	20609

Owner

Source: Williamson County records, as of October 2, 2025

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

Owner of Record	2 Individual Names on Record
Mailing Address	4628 POST LN, ROUND ROCK, TX 78681-2091
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 27, 2021	Transfer on Death Deed, Transfer
Mar 31, 2021	Vendor's Lien, Subdivision Related Transfer · Conventional Mortgage AAXY LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 27, 2021
Deed Sale	Sep 27, 2021
Deed Document Number	2021146695
Prior Transfer Date	Mar 31, 2021
Prior Transfer Doc	2021045792
Record Updated	Jun 8, 2026

September 2021: Transfer on Death Deed, Transfer

Document Type	Transfer on Death Deed
Jurisdiction	WILLIAMSON TX
Recording Date	Sep 27, 2021
Property Address	4628 POST LN, ROUND ROCK, TX 78681-2091
Document Number	0000146695
Map Reference	DOC 2020060695
Instrument Date	Sep 27, 2021
Instrument	2021146695
Transaction Type	Transfer
Record Updated	Oct 21, 2022

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4628 POST LN, ROUND ROCK, TX 78681-2091

March 2021: Vendor's Lien, Subdivision Related Transfer

Document Type	Vendor's Lien
Jurisdiction	WILLIAMSON TX
Recording Date	Mar 31, 2021
Property Address	4628 POST LN, ROUND ROCK, TX 78681-2091
Document Number	0000045792
Map Reference	DOC 2020060695
Instrument Date	Mar 29, 2021
Instrument	2021045792
Transaction Type	Subdivision Related Transfer
Record Updated	Oct 21, 2022
Title Company	PGP TITLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4628 POST LANE, ROUND ROCK, TX 78681-2091

Mortgage

Document Number	0000045793
Date	Mar 31, 2021
Instrument	2021045793

Lender

Name	AAXY LLC
Type	Mortgage Company
Special Notes	Seller Financed

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

Tax Assessment & Valuation

Source: Williamson County assessment roll, as of August 1, 2025

Property Jurisdictions

Type	Name
State	Texas
County	Williamson County
Unified School District	Georgetown Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$7,319.00 (+3.6%) Homeowner's exemption Disabled Person's exemption	$627,504 (+7.33%) Land $109,000 Building $518,504	$627,504 (+7.33%) Land $109,000 Building $518,504
2023	$7,065.00 (-26.82%) Homeowner's exemption Disabled Person's exemption	$584,627 Land $115,000 Building $469,627	$584,627 Land $115,000 Building $469,627
2022	$9,654.00

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 October 5, 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	Moderate above 40% of the US · lower than 85% of Texas
Wildfire Likelihood	0.07% 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 GEORGETOWN serves 191,639 people · EPA ID TX2460001
Water Source	Surface water
Last State Inspection	Jul 2025
Lead	5 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	Total trihalomethanes not recorded as resolved · Apr 2026
Treatment and Procedure	None last 10 years
Monitoring and Reporting	2 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 512 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Spectrum Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Western Broadband Fixed Wireless	200 / 40

May also be available: SOS Communications, VTX Communications.

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