603 Mason St, Tomball, TX 77375 Property Records

Harris County property record for 603 Mason St, Tomball, TX 77375

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,084 sqft · built 1945
Lot Size	0.161 acres (7,000 sqft)
Owner	Company Name on Record
Last Sale	$309,400 (May 2020)
Tax Bill	$227 (2025)
Deeds & Mortgages	Jun 2021 Mortgage May 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`035-266-043-0053`

Property Details

APN / Parcel Number

Primary APN	`035-266-043-0053`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Plumbing Fixtures	5 Plumbing Fixtures
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,084 sqft Living Area
1st Floor Area	1,084 sqft

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1997
Architectural Style	Traditional
Exterior Material	Combination
Construction Type	Frame
Foundation Type	Raised
Lot Area	7,000 sqft (0.161 acres)
View / Lot	Neighborhood
Porch	Open Frame Porch
Porch Area	260 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	0352660430053
Street Address	603 MASON ST
City	TOMBALL
State	TX
Zip	77375-4451
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LTS 45 & 46 BLK 43 TOMBALL
Legal Subdivision	TOMBALL
Legal Block	43
Legal Lot Number	45,46
Jurisdiction	HARRIS TX
Township / Civil Division	NORTHWEST HARRIS
Census Block Group	1
Census Block	1037
Census Tract	555403

Owner

Source: Harris County records, as of September 29, 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 Record
Mailing Address	603 MASON ST, TOMBALL, TX 77375-4451
Occupancy	Owner Occupied
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Jun 14, 2021	Deed of Trust, Mortgage · FHA Mortgage ADVISORS MORTGAGE GROUP LLC
May 6, 2020	Reverse Mortgage, Transfer · FHA Mortgage ADVISORS MTG
Aug 27, 2018	Deed of Trust, Mortgage · FHA Mortgage ADVISORS MTG
Aug 27, 2018	Deed of Trust, Mortgage · FHA Mortgage FEDERAL HSNG COMMISSIONER

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 6, 2020 · Amount on Record
Deed Sale	May 6, 2020 · Amount on Record
Deed Document Number	2020189164
Prior Transfer Date	Apr 24, 2020
Prior Transfer Doc	0000189164
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	HARRIS TX
Property Address	603 MASON ST, TOMBALL, TX 77375-4451
Transaction Type	Mortgage
Record Updated	Jun 29, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	603 MASON ST, TOMBALL, TX 77375-4451

Mortgage

Document Number	2021332204
Date	Jun 14, 2021
Instrument	2021-332204

Lender

Name	ADVISORS MORTGAGE GROUP LLC
Type	Mortgage Company
Address	ASBURY PARK, NJ 07712

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

May 2020: Reverse Mortgage, Transfer

Document Type	Reverse Mortgage
Jurisdiction	HARRIS TX
Recording Date	May 6, 2020
Property Address	603 MASON ST, TOMBALL, TX 77375-4451
Document Number	0000189164
Instrument Date	Apr 22, 2020
Instrument	189164
Transaction Type	Transfer
Record Updated	May 20, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	603 MASON ST TOMBALL TX 773754451, TOMBALL, TX 77375-4451

Mortgage

Document Number	189165
Date	May 6, 2020
Instrument	189165

Lender

Name	ADVISORS MTG
Type	Mortgage Company
Address	OCEAN, NJ 07712

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	912 Months
Due	May 5, 2096

Interest

Rate Type	Adjustable Rate
Rate	3.48%

Mortgage

Document Number	189166,
Date	May 6, 2020
Instrument	189166

Lender

Name	HUD-HOUSING/URBAN DEV
Address	451 7TH ST SW, WASHINGTON, DC 20410-0001

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	912 Months
Due	May 5, 2096

Interest

Rate Type	Adjustable Rate
Rate	3.48%

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	HARRIS TX
Property Address	603 MASON ST, TOMBALL, TX 77375-4451
Document Number	0000406847
Instrument Date	Aug 27, 2018
Transaction Type	Mortgage
Record Updated	Nov 22, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	603 MASON ST TOMBALL TX 773754451, TOMBALL, TX 77375-4451

Mortgage

Document Number	0000406847
Date	Sep 5, 2018
Instrument	406847

Lender

Name	ADVISORS MTG
Type	Mortgage Company
Address	OCEAN, NJ 07712

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	2%

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	HARRIS TX
Property Address	603 MASON ST, TOMBALL, TX 77375-4451
Document Number	0000406848
Instrument Date	Aug 27, 2018
Transaction Type	Mortgage
Record Updated	Sep 30, 2019
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	603 MASON ST TOMBALL TX 773754451, TOMBALL, TX 77375-4451

Mortgage

Document Number	0000406848
Date	Sep 5, 2018
Instrument	406848

Lender

Name	FEDERAL HSNG COMMISSIONER
Address	WASHINGTON, DC 20410

Agreement

Type	FHA Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	4.56%

Tax Assessment & Valuation

Source: Harris County assessment roll, as of September 29, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$169,820 (-6.85%) Land $105,000 Building $64,820	$169,820 (-6.85%) Land $105,000 Building $64,820
2025	$227.00 (+32.75%) Homeowner's exemption	$182,303 (+13.02%) Land $105,000 Building $77,303	$182,303 (+13.02%) Land $105,000 Building $77,303
2024	$171.00 (+55.45%)
2023		$161,303 Land $84,000 Building $77,303	$161,303 Land $84,000 Building $77,303
2022	$110.00 (+254.84%)
2020	$31.00

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 May 17, 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
Flood Insurance Cost	Premium on Record median of 25 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	25 in force
Nearby Flood Claims	2 (2024)
Claims Outside the SFHA	2 of 2
Most Recent Claim	May 2024 · Severe Storms, Straight-line Winds, Tornadoes, And Flooding
Claims by Event	Severe Storms, Straight-line Winds, Tornadoes, And Flooding, May 2024 · 2 claims

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	Not rated no burnable land within 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	CITY OF TOMBALL serves 17,532 people · EPA ID TX1010026
Water Source	Groundwater
Last State Inspection	Jun 2024
Lead	14 ppb (2024–2026) 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, 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 445 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

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