When was property at 3421 Mainer Street built and last sold?

The property at 3421 Mainer Street was built in 1945 and last sold on Dec 18, 2014 for $0.

How much is this home worth?

The estimated value of the home located at 3421 Mainer Street is $178,036.

What are some comparable homes to 3421 Mainer Street?

There are currently no comparable homes to 3421 Mainer Street.

Houston

77021

OST - South Union

3421 Mainer Street

Sold on Nov 24, 2025

Map

$174,990 Last Listed Price

● House - Off Market

3421 Mainer Street

Houston, TX 77021

3 Beds

1 Bath

1,219 Ft²

$860

Est. Monthly

About This Property

Welcome to his cute home. Minutes to Downtown, Universities, NRG & Medical Center: Ideal for anyone looking to be near these key areas. Home features 3 beds and 1 bath with amazing open concept. Private master suite with large closet. The area has many new built and new businesses which add great value to the area. This home is minutes from many major freeways, the Galleria, as well as an ever expanding array of restaurants, breweries & brewpubs, and businesses complete the perfect package. This home was not affected by Harvey and truly a must see! Please schedule your showing today.

Unit Size

1,219 Ft²

Days on Market

Land Size

0.11 acres

Price per sqft

$144

Property Type

House

Property Taxes

HOA Dues

Year Built

1945

Payment Calculator

Cap Rate Calculator

Last updated: 12 months ago (HAR #57855568)

Price History

Date / Event	Date	Event
Nov 24, 2025	Sold	Premium
Sold
Nov 13, 2025	In contract	-
In contract
Jan 14, 2025	Listed by 1 - Connect Realty	$174,990
Listed by 1 - Connect Realty

Property Highlights

Building Info

Overview

General

Year Built: 1945

Effective Year Built: 1945
Building Count: 1
Total Rooms: 6
Bedroom Count: 3
Bathroom Count: 1
Full Bathrooms: 1
Partial Bathrooms: 1
Bathroom Plumbing Fixtures: 5
Building Condition: 6
Building Quality: 7
Construction Type: 13
Building Style: 1
Exterior Walls Type: 19
Interior Walls Type: 0
Roof Shape Type: 0
Roof Cover Type: 0
Floor Count: 100
Living Units: 1
Floor Cover: 0
Basement Type: 0
Basement Area: 0
Garage Type: 4
Garage Square Area: 440
Parking Space Count: 2
Patio Type: 20
Porch Type: 7
Pool Type: 0
Location Influence Type: 129

Dimensions

Lot Size Square Feet: 5,000

Total Building Area: 1,219
Gross Building Area: 1,219
Building Area: 1,219
Building Area Measurement: L

Heating and Cooling

Air Conditioning: 1

Heating: 3
Heated Square Feet: 1,219
Heating Fuel Type: 3

Utilities

Sewer System: 1

Water Service: 2

Building

Building Type: 0

Property Class: R
Subdivision: SOUTH UNION SEC 1
Land Acres: 0000000115
Standard Land Use Code: 1001
County Land Use Code: 1001
State Land Use Code: A1
Legal Description 1: LT 22 BLK 88 SOUTH UNION SEC 1

Neighborhood

School District Name: Houston Independent School District

School Tax School District: HOUSTON ISD
Census Tract: 313802

Geography

Assessors Map Reference: 5354D

Account Number: 0741520880022
District: 061
Parcel: 074-152-088-0022
Block: 88
Lot: 22
Municipality: CITY OF HOUSTON
Latitude: 29.6866
Longitude: -95.3763

Address

Full Address: 3421 Mainer St

Address - House Number: 3421
Address - Street Name: Mainer
Address - Suffix Type: St
State: TX
City Name: Houston
Carrier Code: C002
4-Digit Zip Code: 5533
Zip Code: 77021

Valuation

Tax

Total Area: 1,239

Tax Year: 2022
Tax Amount: $258,964
Tax Rate Code Area: 061

Appraisal Valuation

Standard Deviation: 0.2012

Valuation Date: Sep 13, 2023
Confidence Score: 72
Final Value: 174,788
High Value: 209,958
Low Value: 139,618

Market Valuation

Market Total Value: $117,610

Market Land Value: $80,000
Market Improvement Value: $37,610

Assessments Valuation

Assessed Year: 2022

Assessed Total Value: $117,610
Assessed Land Value: $80,000
Assessed Improvements Value: $37,610

Sales

Current Sale Contract Date: Dec 18, 2014

Current Sale Recording Date: Dec 23, 2014
Current Sale Document Type: 15
Current Sale Input Document Number: 20140570916
Previous Sale Recording Date: May 14, 2014
Previous Sale Contract Date: May 12, 2014
Previous Sale Document Type: 71

Data used for valuation calculations is provided by RealtyHop, and other third party sources

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Comparables

About Southeast Houston

Stats & Trends

Median Asking:

$275,000

Sale Price/ft²

$164

Above Asking

0.06%

Average Days on Market

Average Home Size

1861 ft²

Average Home Age

36.2 years

Currently For Sale

913 Listings

Based on RH Advisors, Inc. calculations of home data from MLS and/or public records.

Similar Homes for Sale

Currently no similar homes around

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Unit for rent at 3542 Amos Street, Houston, TX, 77021

$2,250 /mo

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Unit for rent at 4114 Ward Street, Houston, TX, 77021

$2,150 /mo

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Rentals Near You

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Listed by: Katherine Le, 1 - Connect Realty
Last Updated: 12 months ago
Data Source: HAR , MLS# 57855568

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