1858 Castillo St, Olmito, TX 78575 Property Records

Cameron County property record for 1858 Castillo St, Olmito, TX 78575

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,972 sqft · built 2021
Lot Size	0.154 acres (6,704 sqft)
Owner	Individual Name on Record
Last Sale	$264,200 (Oct 2021)
Tax Bill	$4,946 (2023)
Deeds & Mortgages	Oct 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`791279-0010-021000`

Property Details

APN / Parcel Number

Primary APN	`791279-0010-021000`
Alternative APN	`428751`

Interior

Bedrooms	4 Beds
Stories	1 Story
Building Area	1,972 sqft Living Area
Gross Area	2,478 sqft
1st Floor Area	1,972 sqft

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2021
Lot Area	6,704 sqft (0.154 acres)
Lot Dimensions	119 ft deep x 56 ft wide
Garage Type	Attached
Garage Area	506 sqft
Driveway	Concrete Driveway
Driveway Area	720 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Pool Area	768 sqft
Porch	Open Porch
Porch Area	102 sqft
Storage Building	80 sqft

Location & Zoning

Street Address	1858 CASTILLO
City	BROWNSVILLE
State	TX
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 21 BLK 1 PALO ALTO RESIDENCE PHASE II SUBDIVISION (2021 AMEND PLAT C1-4101-4103 CCMR FILED 11/17/2020)(2021 SUBD PLAT C1-4073-75 CCMR FILED 09/10/2020)
Legal Subdivision	PALO ALTO RESIDENCE PHASE II SUBDIVISION
Legal Block	1
Legal Lot Number	21
Jurisdiction	CAMERON TX
Township / Civil Division	BROWNSVILLE
Census Block Group	1
Census Block	1016
Census Tract	14401

Owner

Source: Cameron County records, as of August 13, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	1858 CASTILLO ST, OLMITO, TX 78575-5309
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 6, 2021 · Amount on Record
Deed Sale	Oct 6, 2021 · Amount on Record
Deed Document Number	202143256
Prior Transfer Date	Oct 4, 2021
Prior Transfer Doc	0202143256
Record Updated	Sep 20, 2026

October 2021: Vendor's Lien, Subdivision Related Transfer

Document Type	Vendor's Lien
Jurisdiction	CAMERON TX
Recording Date	Oct 6, 2021
Property Address	1858 CASTILLO ST, OLMITO, TX 78575-5309
Document Number	0202143256
Map Reference	DOC 2021-1 4073-4075
Instrument Date	Oct 4, 2021
Instrument	2021-43256
Transaction Type	Subdivision Related Transfer
Record Updated	Mar 8, 2023
Title Company	RIO GRANDE VALLEY ABSTRACT, RIO GRANDE VALLEY ABSTRACT C

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	3215 W ALTON GLOOR BLVD, BROWNSVILLE, TX 78520-9866

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1858 CASTILLO ST, BROWNSVILLE, TX 78526

Mortgage

Document Number	0202143257
Date	Oct 6, 2021
Instrument	2021-43257

Lender

Name	USAA FSB
Type	Bank
Special Notes	Seller Financed

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

Tax Assessment & Valuation

Source: Cameron County assessment roll, as of August 13, 2026

Property Jurisdictions

Type	Name
State	Texas
County	Cameron County
Municipality	Brownsville City
Unified School District	Los Fresnos Consolidated Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$333,546 (+1%)	$335,308 (-) Land $65,364 Building $269,944
2025	Homeowner's exemption Disabled Person's exemption Veteran's exemption	$303,224 (-5.31%) Land $65,364 Building $269,944	$335,308 (+4.71%) Land $65,364 Building $269,944
2023	$4,946.00 Homeowner's exemption Disabled Person's exemption Veteran's exemption Additional exemption filed	$320,224 Land $50,280 Building $269,944	$320,224 Land $50,280 Building $269,944
2022	$4,946.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective July 18, 2018 · 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 Record median of 20 policies
Nearby Flood Policies	20 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

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

Wildfire Risk	Moderate above 45% of the US · lower than 81% of Texas
Wildfire Likelihood	0.07% annual chance
Exposure	Direct burnable vegetation

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	OLMITO WSC serves 8,952 people · EPA ID TX0310026
Water Source	Surface water
Last State Inspection	Jul 2024
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Total trihalomethanes resolved · Jul 2022
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 365 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
VTX Communications Fixed Wireless	400 / 50
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, Smartcom Telephone.

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