3546 Mainer St, Houston, TX 77021 Property Records

Harris County property record for 3546 Mainer St, Houston, TX 77021

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,536 sqft · built 1940
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on File
Last Sale	$211,968 (Feb 2025)
Tax Bill	$3,737 (2025)
Deeds & Mortgages	Aug 2021 Mortgage Mar 2020 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`074-151-003-0006`

Property Details

APN / Parcel Number

Primary APN	`074-151-003-0006`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Plumbing Fixtures	5 Plumbing Fixtures
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,536 sqft Living Area
1st Floor Area	1,536 sqft

Exterior

Year Built	Built 1940
Effective Year Built	Effective 2020
Architectural Style	Traditional
Exterior Material	Combination
Construction Type	Frame
Foundation Type	Raised
Lot Area	5,000 sqft (0.115 acres)
View / Lot	Neighborhood
Garage Type	Carport
Garage Area	400 sqft
Carport	Carport
Carport Area	400 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Frame Porch
Porch Area	48 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	0741510030006
Street Address	3546 MAINER ST
City	HOUSTON
State	TX
Zip	77021-5536
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LT 6 BLK 3 SOUTH END SUNNYSIDE U/R
Legal Subdivision	SOUTH END SUNNYSIDE U/R
Legal Block	3
Legal Lot Number	6
Jurisdiction	HARRIS TX
Township / Civil Division	HOUSTON
Census Block Group	3
Census Block	3002
Census Tract	313802

Owner

3546 Mainer St is owned by two individuals who bought it in February 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	4023 SIDERNO DR, MISSOURI CITY, TX 77459-3790
Owner Type	Individual
Vesting	Husband and Wife

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
Aug 12, 2021	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC
Mar 17, 2020	Warranty Deed, Construction Loan · Line of Credit INVESTOR LNDG
Mar 17, 2020	Warranty Deed, Transfer OTHER

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 11, 2025 · Amount on File
Deed Sale	Feb 11, 2025 · Amount on File
Prior Sale	Mar 17, 2020
Deed Document Number	202548169
Prior Transfer Date	Mar 13, 2020
Prior Transfer Doc	2020121158
Record Updated	Oct 29, 2026

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	HARRIS TX
Property Address	3546 MAINER ST, HOUSTON, TX 77021-5536
Transaction Type	Mortgage
Record Updated	Aug 20, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	2021459165
Date	Aug 12, 2021
Instrument	2021-459165

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company
Address	FOOTHILL RANCH, CA 92610

Agreement

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

March 2020: Warranty Deed, Construction Loan

Document Type	Warranty Deed
Jurisdiction	HARRIS TX
Recording Date	Mar 17, 2020
Property Address	3546 MAINER ST, HOUSTON, TX 77021-5536
Document Number	0000121158
Instrument Date	Mar 13, 2020
Instrument	121158
Transaction Type	Construction Loan
Record Updated	Apr 2, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3003 LAWRENCE ST HOUSTON TX 770188327, HOUSTON, TX 77018-8327

Mortgage

Document Number	121159
Date	Mar 17, 2020
Instrument	121159

Lender

Name	INVESTOR LNDG
Address	HOUSTON, TX 77080

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	12 Months
Due	Mar 16, 2021

Interest

Rate Type	Adjustable Rate

March 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	HARRIS TX
Recording Date	Mar 17, 2020
Property Address	3546 MAINER ST, HOUSTON, TX 77021-5536
Document Number	0000121656
Instrument Date	Mar 6, 2020
Instrument	121656
Transaction Type	Transfer
Record Updated	Apr 7, 2020
Title Company	OTHER

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5718 WESTHEIMER RD #1575 HOUSTON TX 770575959, 1575, HOUSTON, TX 77057-5959

Tax Assessment & Valuation

The 2025 property tax bill for 3546 Mainer St was $3,737, up 4.9% 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		$180,890 (+2.85%) Land $120,000 Building $60,890	$180,890 (+2.85%) Land $120,000 Building $60,890
2025	$3,737.00 (+4.85%)	$175,878 Land $120,000 Building $55,878	$175,878 Land $120,000 Building $55,878
2024	$3,564.00
2023		$209,211 Land $105,000 Building $104,211	$209,211 Land $105,000 Building $104,211
2022	$4,215.00
2020	$1,284.00

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

Flood

FEMA maps place 3546 Mainer St 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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	2 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

The area around 3546 Mainer 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 735 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

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