12318 Upper Mar Dr, Humble, TX 77346 Property Records

Harris County property record for 12318 Upper Mar Dr, Humble, TX 77346

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 2,046 sqft · built 2018
Lot Size0.119 acres (5,200 sqft)
OwnerIndividual Name on File
Last Sale$303,100 (May 2019)
Tax Bill$8,390 (2025)
Deeds & MortgagesDec 2023 Line of Credit
May 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN139-769-001-0060

Property Details

APN / Parcel Number

Primary APN139-769-001-0060
Alternative APN
  • 0401580900744

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area2,046 sqft Living Area
1st Floor Area1,359 sqft
Game RoomGame Room

Exterior

Year BuiltBuilt 2018
Effective Year BuiltEffective 2018
Exterior MaterialBrick Veneer
Construction TypeBrick
Foundation TypeSlab (Mat/Raft)
Lot Area5,200 sqft (0.119 acres)
Garage Area420 sqft
Parking Spaces2 Parking Spaces
PorchOpen Concrete/Masonry Porch
Porch Area196 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account Number1397690010060
Street Address12318 UPPER MAR DR
CityHUMBLE
StateTX
Zip77346-4365
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLT 60 BLK 1 BALMORAL SEC 5
Legal SubdivisionBALMORAL SEC 5
Legal Block1
Legal Lot Number60
JurisdictionHARRIS TX
Township / Civil DivisionHOUSTON
Census Block Group1
Census Block1017
Census Tract250408

Owner

12318 Upper Mar Dr is owned and occupied by an individual who bought it in May 2019.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordIndividual Name on File
Mailing Address12318 UPPER MAR DR, HUMBLE, TX 77346-4365
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Dec 28, 2023Deed of Trust, Mortgage · Line of Credit
TEXAS BAY CU
May 3, 2019Vendor's Lien, Subdivision Related Transfer · Conventional Mortgage
FINANCE OF AMERICA MORTGAGE LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 3, 2019 · Amount on File
Deed SaleMay 3, 2019 · Amount on File
Deed Document Number2019183977
Prior Transfer DateMay 2, 2019
Prior Transfer Doc0000183977
Record UpdatedOct 29, 2026

December 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionHARRIS TX
Property Address12318 UPPER MAR DR, HUMBLE, TX 77346-4365
Transaction TypeMortgage
Record UpdatedJan 4, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000486814
DateDec 28, 2023
Instrument2023-486814
Lender
NameTEXAS BAY CU
TypeCredit Union
AddressHOUSTON, TX 77034
Agreement
TypeLine of Credit
AmountAmount on Record
Term240 Months
DueDec 22, 2043

May 2019: Vendor's Lien, Subdivision Related Transfer

Document TypeVendor's Lien
JurisdictionHARRIS TX
Recording DateMay 3, 2019
Property Address12318 UPPER MAR DR, HUMBLE, TX 77346-4365
Document Number0000183977
Map ReferenceMF 684748
Instrument DateMay 2, 2019
Instrument2019-183977
Transaction TypeSubdivision Related Transfer
Record UpdatedSep 2, 2022
Title CompanyOLD REPUBLIC NATL TTL INS CO

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address12318 UPPER MAR DR, HUMBLE, TX 77346-4365

Mortgage

Document Number0000183978
DateMay 3, 2019
Instrument2019-183978
Lender
NameFINANCE OF AMERICA MORTGAGE LLC
TypeMortgage Company
Special NotesSeller Financed
Agreement
TypeConventional Mortgage
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 12318 Upper Mar Dr was $8,390 with a homeowner's exemption, up 226.6% from the year before.

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

Property Jurisdictions

TypeName
StateTexas
CountyHarris County
Unified School DistrictHumble Independent School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$303,726 (-1.25%) Land $60,840 Building $242,886$303,726 (-1.25%) Land $60,840 Building $242,886
2025$8,390.00 (+226.59%) Homeowner's exemption$307,578 Land $60,840 Building $246,738$307,578 Land $60,840 Building $246,738
2024$2,569.00
2023$350,260 Land $45,630 Building $304,630$350,260 Land $45,630 Building $304,630
2022$2,241.00
2020$1,977.00

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

Flood

FEMA maps place 12318 Upper Mar Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2019.

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 457 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies457 in force
Nearby Flood Claims1 (2019)
Claims Outside the SFHA1 of 1
Most Recent ClaimSep 2019 · Tropical Storm Imelda

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 12318 Upper Mar Dr is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 94% of Texas
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemHARRIS COUNTY MUD 423
serves 4,044 people · EPA ID TX1013691
Water SourcePurchased surface water from HARRIS COUNTY MUD 400 EAST
Last State InspectionApr 2024
Lead1 ppb (2022–2024)
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 669 locations within half a mile, as of December 31, 2025

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

May also be available: Astound Broadband.

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