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 WITOUT 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. The value is in the land. The existing residence is considered a tear-down and is being sold as-is. 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
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
Courtesy of Vidaurri Realty Group, Inc · (512) 423-2543
Listings courtesy of ACTRIS as distributed by MLS GRID.