21726 Castlemont Ln, Spring, TX 77388 Property Records

Harris County property record for 21726 Castlemont Ln, Spring, TX 77388

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,620 sqft · built 1983
Lot Size	0.217 acres (9,455 sqft)
Owner	Individual Name on File
Last Sale	$195,800 (Aug 2019)
Tax Bill	$3,905 (2025)
Deeds & Mortgages	Nov 2021 Mortgage Aug 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`115-257-009-0003`

Property Details

APN / Parcel Number

Primary APN	`115-257-009-0003`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Plumbing Fixtures	8 Plumbing Fixtures
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,620 sqft Living Area
1st Floor Area	1,620 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1983
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	500 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Frame Porch
Porch Area	30 sqft
Patio Area	432 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	1152570090003
Street Address	21726 CASTLEMONT LN
City	SPRING
State	TX
Zip	77388-3803
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LT 3 BLK 9 BRIDGESTONE SEC 4 R/P
Legal Subdivision	BRIDGESTONE SEC 4 R/P
Legal Block	9
Legal Lot Number	3
Jurisdiction	HARRIS TX
Township / Civil Division	NORTHWEST HARRIS
Census Block Group	2
Census Block	2014
Census Tract	555002

Owner

21726 Castlemont Ln is owned and occupied by an individual who bought it in August 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 Record	Individual Name on File
Mailing Address	21726 CASTLEMONT LN, SPRING, TX 77388-3803
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 17, 2021	Deed of Trust, Mortgage · Conventional Mortgage NETWORK FUNDING LP
Aug 26, 2019	Warranty Deed, Transfer NETWORK FNDG

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 26, 2019 · Amount on File
Deed Sale	Aug 26, 2019 · Amount on File
Prior Sale	Jul 10, 2001 · Amount on File
Deed Document Number	2019375857
Prior Transfer Date	Aug 23, 2019
Prior Transfer Doc	2019375857
Record Updated	Oct 29, 2026

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	HARRIS TX
Property Address	21726 CASTLEMONT LN, SPRING, TX 77388-3803
Transaction Type	Mortgage
Record Updated	Nov 26, 2021
Title Company	ENVISION TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	2021663595
Date	Nov 17, 2021
Instrument	2021-663595

Lender

Name	NETWORK FUNDING LP
Type	Mortgage Company
Address	HOUSTON, TX 77042

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2051

August 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	HARRIS TX
Recording Date	Aug 26, 2019
Property Address	21726 CASTLEMONT LN, SPRING, TX 77388-3803
Document Number	0000375857
Instrument Date	Aug 23, 2019
Instrument	375857
Transaction Type	Transfer
Record Updated	Sep 3, 2019
Title Company	SOUTHLAND TITLE COMPANY, SOUTH LAND TITLE COMPANY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21726 CASTLEMONT LN SPRING TX 773883803, SPRING, TX 77388-3803

Mortgage

Document Number	375858
Date	Aug 26, 2019
Instrument	375858

Lender

Name	NETWORK FNDG
Type	Funding / Finance Company
Address	HOUSTON, TX 77042

Agreement

Amount	Amount on Record
Term	360 Months
Due	Aug 25, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 21726 Castlemont Ln was $3,905 with a homeowner's exemption, up 3.2% 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		$231,941 (-11.94%) Land $50,703 Building $181,238	$231,941 (-11.94%) Land $50,703 Building $181,238
2025	$3,905.00 (+3.2%) Homeowner's exemption	$263,398 Land $50,703 Building $212,695	$263,398 Land $50,703 Building $212,695
2024	$3,784.00
2023		$236,527 Land $50,703 Building $185,824	$236,527 Land $50,703 Building $185,824
2022	$2,413.00
2020	$3,373.00

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

Flood

FEMA maps place 21726 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 21726 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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