505 Mason St, Tomball, TX 77375 Property Records

Harris County property record for 505 Mason St, Tomball, TX 77375

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 880 sqft · built 1950
Lot Size0.161 acres (7,000 sqft)
Owner2 Individual Names on File
Tax Bill$3,865 (2025)
Flood ZoneZone X (minimal risk)
APN035-266-042-0043

Property Details

APN / Parcel Number

Primary APN035-266-042-0043

Interior

Bedrooms3 Beds
Full Baths1 Bath
Plumbing Fixtures5 Plumbing Fixtures
Total Rooms5 Rooms
Stories1 Story
Building Area880 sqft Living Area
1st Floor Area880 sqft

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleTraditional
Exterior MaterialCombination
Construction TypeFrame
Foundation TypeRaised
Lot Area7,000 sqft (0.161 acres)
View / LotNeighborhood
Garage TypeDetached
Garage Area216 sqft
Parking Spaces1 Parking Space
PorchOpen Frame Porch
Porch Area72 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number0352660420043
Street Address505 MASON ST
CityTOMBALL
StateTX
Zip77375-4449
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLTS 43 & 44 BLK 42 TOMBALL
Legal SubdivisionTOMBALL
Legal Block42
Legal Lot Number43,44
JurisdictionHARRIS TX
Township / Civil DivisionNORTHWEST HARRIS
Census Block Group1
Census Block1038
Census Tract555403

Owner

505 Mason St, a single family home, is owned by two individuals.

Source: Harris County records, as of September 29, 2026

Owner of Record2 Individual Names on File
Mailing Address13414 PIN OAK GLEN LN, CYPRESS, TX 77429-5172
Owner TypeIndividual

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 Names2 Names on Deed
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 505 Mason St was $3,865, up 5.4% from the year before.

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

Property Jurisdictions

TypeName
StateTexas
CountyHarris County
MunicipalityTomball City
Unified School DistrictTomball Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$162,047 (-6.17%) Land $105,000 Building $57,047$162,047 (-6.17%) Land $105,000 Building $57,047
2025$3,865.00 (+5.4%)$172,705 Land $105,000 Building $67,705$172,705 Land $105,000 Building $67,705
2024$3,667.00
2023$153,312 Land $84,000 Building $69,312$153,312 Land $84,000 Building $69,312
2022$1,572.00
2020$988.00

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

Flood

FEMA maps place 505 Mason St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2024.

Source: FEMA National Flood Hazard Layer, effective May 17, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 25 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies25 in force
Nearby Flood Claims2 (2024)
Claims Outside the SFHA2 of 2
Most Recent ClaimMay 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

The area around 505 Mason St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot 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 SystemCITY OF TOMBALL
serves 17,532 people · EPA ID TX1010026
Water SourceGroundwater
Last State InspectionJun 2024
Lead14 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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.

Nearby Properties on Mason St

Nearby Streets

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