17639 Old Jefferson Hwy
1,600 SF office building in Prairieville, LA
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Located in Prairieville, in Ascension Parish, 17639 Old Jefferson Hwy is a 1,600-square-foot office building on 0.9 acres. The Ascension Parish assessor values it at $293,600 (2026), around the median assessed value for Ascension Parish. It is on the smaller side for office buildings in Ascension Parish. It is one of 103 office properties we track in Prairieville. It last sold in Jan 2025. It is one of 20 parcels we track on Old Jefferson Hwy in Ascension Parish.
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- 2026Assessor value$293,600
- Jan 2025Sale
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What the record shows.
Worked out from the assessor roll, The Pulse and the ELIFIN® database.
- The assessor's $293,600 works out to $184 per square foot of building. That is higher than 70% of the office buildings we track in Prairieville, where the median is about $130.
- The assessor puts 20% of the value on the land ($58,500) and 80% on the improvements ($235,100). Most of the assessed value sits in the improvements, not the land.
- Its 1,600 SF of building on 39,204 SF of land is a floor area ratio of about 0.04. That leaves room on the lot for parking, yard or expansion.
- The closest sale with a published price is 17573 Old Jefferson Hwy, a 10,880 SF retail building, which sold for $1,250,000 ($115 per SF) in Sep 2026, 0.1 miles away.
- Of the 3 properties with a public record on Old Jefferson Hwy, it has the smallest building.
Public record.
Compiled from public records and the ELIFIN® brokerage database. Verify current figures with the Ascension Parish Assessor ↗
Assessor values are often out of date and can be inaccurate.
About this data. Public records can be out of date or contain errors, and we can't guarantee their accuracy. Verify anything important with the Ascension Parish Assessor before relying on it.
More on Old Jefferson Hwy and nearby.
- 17579 Old Jefferson Hwy 1,755 SF medical office building
- 17573 Old Jefferson Hwy 10,880 SF retail building
- 17534 Old Jefferson Hwy (Building B) 5,170 SF office building · 0.2 mi away
- 17227 Airline Hwy 7,127 SF freestanding retail building · 0.3 mi away
- 17114 Commerce Centre Dr 0.98 acres of land · 0.4 mi away
Recent sales nearby.
- 38128 Hwy 42 Sold Sep 2026 for $6,770,550 · 21,930 SF freestanding retail building · 0.5 mi away
- 14429 Hwy 73 Sold Sep 2026 for $1,550,000 · 7,493 SF day care center · 2.9 mi away
- 40109 Abby James Rd Sold Aug 2026 · 5,000 SF day care center · 2.9 mi away
Frequently asked questions.
17639 Old Jefferson Hwy is in Prairieville, LA 70769, in Ascension Parish.
17639 Old Jefferson Hwy is an office building of 1,600 square feet in Prairieville, LA.
The parcel is approximately 0.9 acres (39,204 square feet), in the MAYFLOWER ESTATES subdivision.
The office building is 1,600 square feet (about 1,600 SF).
The Ascension Parish assessor's fair market value is $293,600 (2026 roll). Assessor values often lag the market and can be inaccurate; a broker can tell you what it would actually trade for.
17639 Old Jefferson Hwy sold in Jan 2025. A broker can walk you through the record.
Public records here on Old Jefferson Hwy include 17579 Old Jefferson Hwy (1,755 SF medical office building) and 17573 Old Jefferson Hwy (10,880 SF retail building).
Sales The Pulse ran nearby include 38128 Hwy 42 (Sep 2026, $6,770,550, 0.5 mi away), 14429 Hwy 73 (Sep 2026, $1,550,000, 2.9 mi away) and 40109 Abby James Rd (Aug 2026, 2.9 mi away).
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