21737 Castlemont Ln, Spring, TX 77388 Property Records

Harris County property record for 21737 Castlemont Ln, Spring, TX 77388

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,498 sqft · built 1983
Lot Size0.145 acres (6,300 sqft)
OwnerIndividual Name on File
Last Sale$272,317 (May 2025)
Tax Bill$844 (2025)
Deeds & MortgagesMay 2025 Transfer
May 2025 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN115-257-005-0004

Property Details

APN / Parcel Number

Primary APN115-257-005-0004

Interior

Bedrooms3 Beds
Full Baths2 Baths
Plumbing Fixtures8 Plumbing Fixtures
Total Rooms5 Rooms
Stories1 Story
Building Area1,498 sqft Living Area
1st Floor Area1,498 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1983
Effective Year BuiltEffective 1983
Architectural StyleTraditional
Exterior MaterialBrick Veneer
Construction TypeBrick
Foundation TypeSlab (Mat/Raft)
Lot Area6,300 sqft (0.145 acres)
View / LotNeighborhood
Garage Area462 sqft
Parking Spaces2 Parking Spaces
PorchOpen Frame Porch
Porch Area30 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number1152570050004
Street Address21737 CASTLEMONT LN
CitySPRING
StateTX
Zip77388-3862
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLT 4 BLK 5 BRIDGESTONE SEC 4 R/P
Legal SubdivisionBRIDGESTONE SEC 4 R/P
Legal Block5
Legal Lot Number4
JurisdictionHARRIS TX
Township / Civil DivisionNORTHWEST HARRIS
Census Block Group1
Census Block1010
Census Tract555002

Owner

21737 Castlemont Ln is owned and occupied by an individual who bought it in May 2025.

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

Owner of RecordIndividual Name on File
Mailing Address21737 CASTLEMONT LN, SPRING, TX 77388-3862
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle

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

DateDocument
May 16, 2025Correction Deed
TITLE FORWARD
May 16, 2025Vendor's Lien, Transfer · Conventional Mortgage
ENCOMPASS LENDING GROUP LP
Feb 3, 2025Warranty Deed, Transfer

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMay 16, 2025 · Amount on File
Deed SaleMay 16, 2025 · Amount on File
Prior SaleDec 20, 2006 · Amount on File
Deed Document Number2025187134
Prior Transfer DateNov 14, 2018
Prior Transfer Doc0000534025
Record UpdatedOct 29, 2026

May 2025: Correction Deed

Document TypeCorrection Deed
JurisdictionHARRIS TX
Recording DateMay 16, 2025
Property Address21737 CASTLEMONT LN, SPRING, TX 77388-3862
Document Number0000187133
Instrument DateMay 8, 2025
Instrument2025-187133
Record UpdatedJan 21, 2026
Title CompanyTITLE FORWARD

Transferred From (Grantor/Seller)

NameVerified Name
Address21737 CASTLEMONT LN, SPRING, TX 77388-3862

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address21737 CASTLEMONT LN, SPRING, TX 77388-3862

May 2025: Vendor's Lien, Transfer

Document TypeVendor's Lien
JurisdictionHARRIS TX
Recording DateMay 16, 2025
Property Address21737 CASTLEMONT LN, SPRING, TX 77388-3862
Document Number0000187134
Instrument DateMay 8, 2025
Instrument2025-187134
Transaction TypeTransfer
Record UpdatedJan 21, 2026
Title CompanyTITLE FORWARD

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address21737 CASTLEMONT LN, SPRING, TX 77388-3862

Mortgage

Document Number0000187135
DateMay 16, 2025
Instrument2025-187135
Lender
NameENCOMPASS LENDING GROUP LP
TypeMortgage Company
Special NotesSeller Financed
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueJun 1, 2055

February 2025: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionHARRIS TX
Recording DateFeb 3, 2025
Property Address21737 CASTLEMONT LN, SPRING, TX 77388-3862
Document Number0000035974
Instrument DateJan 20, 2025
Instrument2025-35974
Transaction TypeTransfer
Record UpdatedJan 21, 2026

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address21737 CASTLEMONT LN, SPRING, TX 77388-3862

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address21737 CASTLEMONT LN, SPRING, TX 77388-3862

Tax Assessment & Valuation

The 2025 property tax bill for 21737 Castlemont Ln was $844, up 458.9% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$209,048 (-5.22%) Land $47,959 Building $161,089$209,048 (-5.22%) Land $47,959 Building $161,089
2025$844.00 (+458.94%) Homeowner's exemption$220,564 Land $47,959 Building $172,605$220,564 Land $47,959 Building $172,605
2024$151.00
2023$225,630 Land $47,959 Building $177,671$225,630 Land $47,959 Building $177,671
2022$111.00
2020$1,010.00

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

Flood

FEMA maps place 21737 Castlemont Ln in Zone X, an area of minimal flood risk.

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 57 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies57 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

Wildfire risk around 21737 Castlemont Ln is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.3% of Texas
Wildfire LikelihoodUnder 0.01% 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 SystemBRIDGESTONE MUD
serves 24,528 people · EPA ID TX1011550
Water SourcePurchased surface water from several systems
Last State InspectionMay 2023
Lead4 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 555 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Spectrum
Cable
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20

May also be available: T-Mobile.

Nearby Properties on Castlemont Ln

Nearby Streets

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