21730 Castlemont Ln, Spring, TX 77388 Property Records

Harris County property record for 21730 Castlemont Ln, Spring, TX 77388

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,662 sqft · built 1984
Lot Size	0.217 acres (9,455 sqft)
Owner	Company Name on File
Tax Bill	$5,241 (2025)
Deeds & Mortgages	Jan 2020 Mortgage Mar 2019 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`115-257-009-0002`

Property Details

APN / Parcel Number

Primary APN	`115-257-009-0002`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Plumbing Fixtures	8 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,662 sqft Living Area
1st Floor Area	1,662 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	Traditional
Exterior Material	Brick Veneer
Construction Type	Brick
Foundation Type	Slab (Mat/Raft)
Lot Area	9,455 sqft (0.217 acres)
View / Lot	Neighborhood
Garage Area	506 sqft
Parking Spaces	2 Parking Spaces
Porch	Enclosed Porch
Porch Area	552 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	1152570090002
Street Address	21730 CASTLEMONT LN
City	SPRING
State	TX
Zip	77388-3803
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LT 2 BLK 9 BRIDGESTONE SEC 4 R/P
Legal Subdivision	BRIDGESTONE SEC 4 R/P
Legal Block	9
Legal Lot Number	2
Jurisdiction	HARRIS TX
Township / Civil Division	NORTHWEST HARRIS
Census Block Group	2
Census Block	2014
Census Tract	555002

Owner

21730 Castlemont Ln is owned by a company that acquired it in March 2019.

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

Owner of Record	Company Name on File
Mailing Address	9659 N SAM HOUSTON PKWY E, 150, HUMBLE, TX 77396-1290
Owner Type	Company

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

Date	Document
Jan 29, 2020	Deed of Trust, Mortgage INDEPENDENT BK
Mar 29, 2019	Warranty Deed, Transfer FORT BEND TITLE COMPANY, FORT BEND TITLE CO
Apr 3, 2019	Grant Deed, Mortgage INDEPENDENT BK
Jun 13, 2018	Warranty Deed, Transfer FIDELITY NATIONAL TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 29, 2019
Deed Sale	Mar 29, 2019
Prior Sale	Jun 13, 2018 · Amount on File
Deed Document Number	2019125589
Prior Transfer Date	Jun 8, 2018
Prior Transfer Doc	0000262098
Record Updated	Oct 29, 2026

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	HARRIS TX
Property Address	21730 CASTLEMONT LN, SPRING, TX 77388-3803
Document Number	0000084275
Instrument Date	Jan 29, 2020
Transaction Type	Mortgage
Record Updated	Apr 26, 2021
Title Company	NOT AVAILABLE

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	13802 MAJESTIC SPRING LN HUMBLE TX 773963172, HUMBLE, TX 77396-3172

Mortgage

Document Number	0000084275
Date	Feb 25, 2020
Instrument	84275

Lender

Name	INDEPENDENT BK
Type	Bank
Address	HOUSTON, TX 77057

Agreement

Amount	Amount on Record

March 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	HARRIS TX
Recording Date	Mar 29, 2019
Property Address	21730 CASTLEMONT LN, SPRING, TX 77388-3803
Document Number	0000125589
Instrument Date	Mar 28, 2019
Instrument	125589
Transaction Type	Transfer
Record Updated	Apr 3, 2019
Title Company	FORT BEND TITLE COMPANY, FORT BEND TITLE CO

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	13802 MAJESTIC SPRING LN HUMBLE TX 773963172, HUMBLE, TX 77396-3172

April 2019: Grant Deed, Mortgage

Document Type	Grant Deed
Jurisdiction	HARRIS TX
Recording Date	Apr 3, 2019
Property Address	21730 CASTLEMONT LN, SPRING, TX 77388-3803
Instrument Date	Mar 24, 2019
Instrument	133263
Transaction Type	Mortgage
Record Updated	Apr 10, 2019
Title Company	FORT BEND TITLE COMPANY, FORT BEND TITLE CO

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	13802 MAJESTIC SPRING LN HUMBLE TX 773963172, HUMBLE, TX 77396-3172

Mortgage

Document Number	0000133263
Date	Apr 3, 2019
Instrument	133263

Lender

Name	INDEPENDENT BK
Type	Bank
Address	750 BERING DRIVESUITE 100, HOUSTON, TX 77057

Agreement

Amount	Amount on Record
Term	120 Months
Due	Apr 2, 2029

June 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	HARRIS TX
Recording Date	Jun 13, 2018
Property Address	21730 CASTLEMONT LN, SPRING, TX 77388-3803
Document Number	0000262098
Instrument Date	Jun 8, 2018
Instrument	262098
Transaction Type	Transfer
Record Updated	Jun 25, 2018
Title Company	FIDELITY NATIONAL TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	110 AVENUE B #100 STAFFORD TX 774775501, 100, STAFFORD, TX 77477-5501

Tax Assessment & Valuation

The 2025 property tax bill for 21730 Castlemont Ln was $5,241, down 2% from the year before.

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

Property Jurisdictions

Type	Name
State	Texas
County	Harris County
Unified School District	Klein Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$215,387 (-2.4%) Land $50,703 Building $164,684	$215,387 (-2.4%) Land $50,703 Building $164,684
2025	$5,241.00 (-2.02%)	$220,689 Land $50,703 Building $169,986	$220,689 Land $50,703 Building $169,986
2024	$5,349.00
2023		$226,786 Land $50,703 Building $176,083	$226,786 Land $50,703 Building $176,083
2022	$4,069.00
2020	$2,225.00

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

Flood

FEMA maps place 21730 Castlemont Ln in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 2008.

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 File median of 57 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	57 in force
Nearby Flood Claims	5 (2008–2023)
Claims Outside the SFHA	5 of 5
Most Recent Claim	Jan 2023 · rainfall accumulation
Claims by Event	Severe Storms And Flooding, Jun 2016 · 3 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

Wildfire risk around 21730 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 Risk	Low lower than 99.1% of the US · lower than 99.3% of Texas
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 System	BRIDGESTONE MUD serves 24,528 people · EPA ID TX1011550
Water Source	Purchased surface water from several systems
Last State Inspection	May 2023
Lead	4 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	1 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

Provider	Max 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.

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