21 Sidney St, Houston, TX 77003 Property Records

Harris County property record for 21 Sidney St, Houston, TX 77003

Property Summary

Property Type	Duplex
Details	5 bd · 3 ba · 2,607 sqft · built 1936
Lot Size	0.199 acres (8,685 sqft)
Owner	Individual Name on File
Last Sale	$234,300 (Sep 2018)
Tax Bill	$7,844 (2025)
Deeds & Mortgages	Sep 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`007-126-009-0001`

Property Details

APN / Parcel Number

Primary APN	`007-126-009-0001`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Units	2 Units
Stories	1 Story
Building Area	2,607 sqft Living Area
1st Floor Area	2,607 sqft

Exterior

Year Built	Built 1936
Effective Year Built	Effective 1936
Architectural Style	Duplex Single
Exterior Material	Brick Veneer
Construction Type	Brick
Foundation Type	Raised
Lot Area	8,685 sqft (0.199 acres)
Garage Type	Attached
Garage Area	735 sqft
Parking Spaces	3 Parking Spaces
Canopy	242 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	None
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	0071260090001
Street Address	21 SIDNEY ST
City	HOUSTON
State	TX
Zip	77003-1915
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LT 2 & TR 1 BLK 25 BRADY PLACE
Legal Subdivision	BRADY PLACE
Legal Tract	1
Legal Block	25
Legal Lot Number	2
Jurisdiction	HARRIS TX
Township / Civil Division	HOUSTON
Census Block Group	3
Census Block	3003
Census Tract	310400

Owner

21 Sidney St, a duplex, is owned by an individual who bought it in September 2018.

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

Owner of Record	Individual Name on File
Mailing Address	4410 WALKER ST, HOUSTON, TX 77023-1146
Owner Type	Individual

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

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 17, 2018 · Amount on File
Deed Sale	Sep 17, 2018 · Amount on File
Prior Sale	Apr 19, 2005 · Amount on File
Deed Document Number	2018424428
Prior Transfer Date	Oct 5, 2004
Prior Transfer Doc	00000Y2871
Record Updated	Oct 29, 2026

September 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	HARRIS TX
Recording Date	Sep 17, 2018
Property Address	21 SIDNEY ST, HOUSTON, TX 77003-1915
Document Number	0000424428
Instrument Date	Sep 13, 2018
Instrument	424428
Transaction Type	Transfer
Record Updated	Sep 24, 2018

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4410 WALKER ST HOUSTON TX 770231146, HOUSTON, TX 77023-1146

Mortgage

Document Number	424429
Date	Sep 17, 2018
Instrument	424429

Lender

Name	CORNERSTONE HM LNDG
Address	HOUSTON, TX 77027

Agreement

Amount	Amount on Record
Term	360 Months
Due	Sep 16, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 21 Sidney St was $7,844, down 18.7% from the year before.

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

Property Jurisdictions

Type	Name
State	Texas
County	Harris County
Municipality	Houston City
Unified School District	Houston Independent School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$346,332 (-6.17%) Land $239,488 Building $106,844	$346,332 (-6.17%) Land $239,488 Building $106,844
2025	$7,844.00 (-18.73%)	$369,109 Land $239,488 Building $129,621	$369,109 Land $239,488 Building $129,621
2024	$9,652.00
2023		$396,689 Land $239,488 Building $157,201	$396,689 Land $239,488 Building $157,201
2022	$7,992.00
2020	$6,892.00

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

Flood

FEMA maps place 21 Sidney St in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1989.

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 19 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	19 in force
Nearby Flood Claims	6 (1989–2017)
Claims Outside the SFHA	5 of 6
Most Recent Claim	Dec 2017 · rainfall accumulation

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

The area around 21 Sidney St has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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	CITY OF HOUSTON serves 2,970,543 people · EPA ID TX1010013
Water Source	Surface water
Last State Inspection	Oct 2025
Lead	5 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	Turbidity resolved · May 2025
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 882 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	1,000 / 75