810 S Mason Rd, Katy, TX 77450 Property Records

Harris County property record for 810 S Mason Rd, Katy, TX 77450

Property Summary

Property Type	Commercial Office
Details	50,266 sqft · built 1983
Lot Size	2.33 acres (101,625 sqft)
Owner	Company Name on File
Last Sale	$3,500,000 (Sep 2014)
Tax Bill	$87,696 (2025)
Deeds & Mortgages	Jan 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`043-136-000-0017`

Property Details

APN / Parcel Number

Primary APN	`043-136-000-0017`

Interior

Units	126 Units
Stories	3 Stories
Building Area	50,266 sqft Gross Area
1st Floor Area	15,382 sqft
Elevator	Elevator

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1983
Architectural Style	Multi-Level
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	101,625 sqft (2.33 acres)
View / Lot	Highway
Canopy	3,895 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	0431360000017
Street Address	810 S MASON RD
City	KATY
State	TX
Zip	77450-3895
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Legal Description	TR 1T ABST 470 HT&BRR CO SEC 7
Legal Subdivision	ABST 470 HT&BRR CO SEC 7
Legal Tract	1T
Legal Block	1
Jurisdiction	HARRIS TX
Township / Civil Division	HOUSTON
Census Block Group	1
Census Block	1013
Census Tract	455104

Owner

Source: Harris County records · APN 043-136-000-0017

Assessment roll updated May 26, 2026 · Last verified June 2026

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

Owner of Record	Company Name on File
Mailing Address	PO BOX 1406, SPRING, TX 77383-1406
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 16, 2014 · Amount on Record
Deed Sale	Sep 16, 2014 · Amount on Record
Prior Sale	Jul 08, 1998
Deed Document Number	2014415583
Record Updated	Sep 20, 2026

January 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	HARRIS TX
Recording Date	Jan 30, 2020
Property Address	810 S MASON RD, KATY, TX 77450-3895
Document Number	0000043586
Instrument Date	Jan 28, 2020
Instrument	43586
Transaction Type	Transfer
Record Updated	Feb 17, 2020
Title Company	CHARTER TITLE CORPORATION, CHARTER TITLE CORP.

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	PO BOX 1406 SPRING TX 773831406, SPRING, TX 77383-1406

Mortgage

Document Number	43587
Date	Jan 30, 2020
Instrument	43587

Lender

Name	AMEGY BK
Type	Bank
Address	HOUSTON, TX 77027

Agreement

Amount	Amount Recorded
Term	120 Months
Due	Jan 29, 2030

Interest

Rate	4.15%

Tax Assessment & Valuation

Source: Harris County records · Assessment roll updated May 26, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Texas
County	Harris County
Municipality	Houston City
Unified School District	Katy Independent School District (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$87,696.00 (-11.33%)	$4,183,949 (-12.21%) Land $1,524,375 Building $2,659,574	$4,183,949 (-12.21%) Land $1,524,375 Building $2,659,574
2024	$98,906.00 (+13.76%)	$4,765,787 (-3.83%) Land $1,524,375 Building $3,241,412	$4,765,787 (-3.83%) Land $1,524,375 Building $3,241,412
2023	$86,943.00	$4,955,508 Land $2,032,500 Building $2,923,008	$4,955,508 Land $2,032,500 Building $2,923,008
2022	$86,943.00 (-12.77%)
2020	$99,675.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Harris County (48201C), as of May 17, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 482014551041, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 37 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	37 in force
Nearby Flood Claims	2 (2000–2017)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Aug 2017 · Hurricane Harvey

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ezee Fiber Texas Fiber	8,000 / 8,000
Consolidated Communications Fiber	2,000 / 2,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	1,000 / 75
AT&T Fixed Wireless · Fiber in parts of the area	100 / 20

Based on FCC filings for 529 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system TX1010581, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	HARRIS COUNTY MUD 81 serves 11,475 people
Water Source	Groundwater
Last State Inspection	Dec 2022
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.