4502 S 1st ST, Austin TX 78745
Austin, TX 78745 · Hartkopf Annex
Single Family Residence for sale in Hartkopf Annex
Overview
Property Description
APPOINTMENTS HAVE TO BE APPROVED BEFORE SHOWINGS. OWNER OCCUPIED. DO NOT WALK THE LOT WITHOUT OWNER PERMISSION. Prime South Austin redevelopment opportunity on an expansive 0.30-acre lot in one of Austin's most active infill markets. * 2026 updates: HVAC system and water heater. Large redevelopment parcels in this location are becoming increasingly difficult to find. The generous lot size presents an exceptional opportunity for builders, developers, and investors to capitalize on Austin's continued demand for new residential construction. Subject to City of Austin approval and buyer verification, the property may offer the potential for multiple residential homes or other redevelopment opportunities. Surrounded by new construction and redevelopment projects, this property is ideally positioned for an infill development in a highly desirable South Austin location. Just minutes from South Congress, South Lamar, St. Elmo, Downtown Austin, major employment centers, shopping, restaurants, entertainment, parks, and Austin-Bergstrom International Airport. Easy access to IH-35, US-290, SH-71, and Loop 360 provides outstanding connectivity throughout the city. Rare South Austin Infill Development Opportunity Builder Alert! Premium 0.30-Acre Redevelopment Parcel One of the Few Remaining Large Redevelopment Lots on South First Prime Infill Site in a High-Growth South Austin Corridor Development Opportunity Surrounded by New Construction Land Value Only – Exceptional Builder Opportunity Oversized South Austin Lot with Significant Redevelopment Potential
Financial Info
- Price
- $619,000
- $ / Sqft
- $697
- HOA
- None
- Tax Rate
- 2.0465%
- Est. Taxes
- $8,365.17
- Tax Year
- 2026
- Exemptions
- Homestead, Over 65
Legal Info
- Address
- 4502 S 1st ST
- County
- Travis
- City
- Austin
- State
- TX
- Zip
- 78745
- Subdivision
- Hartkopf Annex
- Legal Description
- LOT 7 BLK A HARTKOPF ANNEX
- Parcel
- 04100812230000
Interior Features
- Floor
- Laminate
- Num Living
- 1
- Dining
- 1
- Appliances
- Range
- Master Main
- Yes
- Interior Features
- None
General Info
- Beds
- 3 Total / 3 Main Level
- Full / Half Baths
- 1 / 0
- Prop Type
- Residential
- Property Type
- Single Family Residence
- Stories
- 1
- Year Built
- 1958 / Tear Down
- Square Feet
- 888 / Public Records
- Garage Desc
- Carport, Driveway, Parking Pad
- Foundation
- Slab
- Roof
- Shingle
- Construction
- Frame
- Acres
- 0.30
- Lot Description
- Back Yard, Front Yard, Interior Lot, Trees-Large (Over 40 Ft)
- Restrictions
- City Restrictions
- Flood Plain
- No
- View
- Neighborhood
- Water Access
- No
- Waterfront
- No
- Area
- 10N
Utility Info
- Water
- Public
- Sewer
- Public Sewer
- Utilities
- Electricity Connected, Natural Gas Connected, Sewer Connected
- Heat
- None
- A C
- None
Exterior Features
- Fence
- Back Yard, Chain Link, Wood
- Exterior Features
- Private Yard, None
- Pool On Property
- No
- Area Amenities
- None
Price history
| Date | Event | Price | Change |
|---|---|---|---|
| Jul 25, 2026 | Price Decrease | $619,000−$30,000 (−4.6%) | −$30,000 (−4.6%) |
| Jun 29, 2026 | New Listing | — |
Taxes
TCAD account 313731
Uses rates from the supplied 2026 TCAD package. The file does not identify adopted or proposed status.
| Taxing Entity | Rate per $100 | Taxable Value | Estimated Tax |
|---|---|---|---|
| AUSTIN COMM COLL DISTTax ceiling applied | 0.103400 | $328,758 | $118.52 |
| AUSTIN ISDTax ceiling applied | 0.925200 | $183,758 | $0.00 |
| CITY OF AUSTIN | 0.524017 | $123,006 | $644.57 |
| TRAVIS COUNTY | 0.375845 | $181,737 | $683.05 |
| TRAVIS COUNTY HEALTHCARE DISTRICT | 0.118023 | $130,006 | $153.44 |
| Ordinary property tax estimate | 2.046485 | $1,599.58 |
Informational estimate, not a tax bill or taxes paid. Exemptions and tax ceilings can make taxes differ from the combined rate multiplied by one taxable value. PID assessments and other special charges are excluded; collector coverage has not been established.
Source: Travis County
- Owner
- VASQUEZ CARLOS
- Legal
- LOT 7 BLK A HARTKOPF ANNEX
- Geo ID
- prop:313731
- Acreage
- 0.30
- Exemption Type
- Homestead, Over 65
- MLS estimated annual taxes
- $8,365.17
- MLS tax year
- 2026
Annual taxes billed are the Tax Imposed amounts reported in the latest available Travis Tax Office statement. Exemptions and tax ceilings may prevent combined rate × taxable value from equaling the billed amount. Other collectors or assessments may not be included.
| Year | Appraised Value | Combined Rate per $100 | Annual Taxes Billed |
|---|---|---|---|
| 2025 | $409,825 | 2.046485 | $1,692.78 |
| 2024 | — | 1.981814 | $1,698.90 |
| 2023 | — | 1.809247 | $1,519.13 |
| 2022 | — | 1.974923 | $2,430.48 |
| 2021 | — | 2.176679 | $2,433.02 |
| 2020 | — | 2.226665 | $2,561.93 |
Combined rates exclude PID placeholder rates. Historical amounts reflect the statement’s snapshot and may change after later corrections; they do not describe payment status. Appraisal values come from the legacy CAD source.
Source: Travis County
Schools
School Info
- District
- Austin ISD
- Elementary
- St Elmo
- Middle
- Bedichek
- High
- Crockett
Maps
Financing
Your preferences
- 20% down
- Conv/Jumbo
- 30 years
- 6.50% rate
Saved on this device
Estimated monthly payment
$4,343 / mo
20% down · 6.50% interest · 30-year fixed
Estimated monthly payment $4,343
- Principal & interest
- $3,130
- Property taxes
- $697
- Homeowners insurance
- $516
*PITI only
These figures are estimates for general information only — not a loan offer, a quote, or a guarantee of financing terms.
| Year | Starting balance | Principal paid | Interest paid | Ending balance | Principal vs interest |
|---|---|---|---|---|---|
| 1 | $495,200 | $5,535 | $32,025 | $489,665 | |
| 2 | $489,665 | $5,906 | $31,654 | $483,759 | |
| 3 | $483,759 | $6,301 | $31,259 | $477,458 | |
| 4 | $477,458 | $6,723 | $30,837 | $470,735 | |
| 5 | $470,735 | $7,173 | $30,387 | $463,562 | |
| 6 | $463,562 | $7,654 | $29,906 | $455,908 | |
| 7 | $455,908 | $8,166 | $29,394 | $447,741 | |
| 8 | $447,741 | $8,713 | $28,847 | $439,028 | |
| 9 | $439,028 | $9,297 | $28,263 | $429,731 | |
| 10 | $429,731 | $9,920 | $27,640 | $419,811 |
- Year 1$489,665
- Principal paid
- $5,535
- Interest paid
- $32,025
- Starting balance
- $495,200
- Year 2$483,759
- Principal paid
- $5,906
- Interest paid
- $31,654
- Starting balance
- $489,665
- Year 3$477,458
- Principal paid
- $6,301
- Interest paid
- $31,259
- Starting balance
- $483,759
- Year 4$470,735
- Principal paid
- $6,723
- Interest paid
- $30,837
- Starting balance
- $477,458
- Year 5$463,562
- Principal paid
- $7,173
- Interest paid
- $30,387
- Starting balance
- $470,735
- Year 6$455,908
- Principal paid
- $7,654
- Interest paid
- $29,906
- Starting balance
- $463,562
- Year 7$447,741
- Principal paid
- $8,166
- Interest paid
- $29,394
- Starting balance
- $455,908
- Year 8$439,028
- Principal paid
- $8,713
- Interest paid
- $28,847
- Starting balance
- $447,741
- Year 9$429,731
- Principal paid
- $9,297
- Interest paid
- $28,263
- Starting balance
- $439,028
- Year 10$419,811
- Principal paid
- $9,920
- Interest paid
- $27,640
- Starting balance
- $429,731
Nearby
12 closest listings to 4502 S 1st ST, Austin TX 78745 (within 2 miles).
Courtesy of Vidaurri Realty Group, Inc · (512) 423-2543
Listings courtesy of ACTRIS as distributed by MLS GRID.