[3] Clockwise from the north, Oberstreit's neighbours are the municipalities of Waldböckelheim, Boos and Staudernheim, all of which likewise lie within the Bad Kreuznach district.
On 23 October 1305, Oberstreit was first mentioned in a document issued by Abbot Werner of Disibodenberg as Ebenstryt, describing it as a Hof (“estate” or “farm”) lying roughly three fourths of an hour from Sobernheim, whose owner, Jakob von Ebenstrit, transferred ownership as a donation to Disibodenberg Abbey.
It was established on an old road coming up from the Nahe and leading to Bockenau and was divided like Boos and Steinhardt (today an outlying centre of Bad Sobernheim): the northeast half belonged to the greater municipal area of Böckelheim, while the southwest half belonged to that of Sobernheim-Disibodenberg-Odernheim.
Belonging thereafter to the new mairie (“mayoralty”) were the villages of Sobernheim (seat), Waldböckelheim, Thalböckelheim, Schloßböckelheim, Steinhardt (in its two parts), Oberstreit, Boos, Bockenau, Sponheim and Burgsponheim.
On 28 May 1815, as a result of agreements reached at the Congress of Vienna, the Nahe region passed to the Kingdom of Prussia, which retained they system of French mairies, although they were thereafter known by the German word Bürgermeistereien.
[1] The municipality's arms might be described thus: Per pale countercompony azure and Or and gules a salmon palewise argent.
The “countercompony” pattern (two chequered rows) on the dexter (armsbearer's right, viewer's left) side are a reference to (half) the village's former allegiance to the Counts of Sponheim, while the charge on the sinister (armsbearer's left, viewer's right) side, the fish, is a reference to the other half's former allegiance to the Counts of Salm, Salm being a German word for “salmon”.
The following are listed buildings or sites in Rhineland-Palatinate’s Directory of Cultural Monuments:[9] The Oberstreiter-Markt – despite its name, actually a fair – is held each year on the second weekend in September, and is widely known.
Electoral Palatinate established a market here so that inhabitants of the Amt of Böckelheim could buy a variety of useful articles.
The market could only be opened once an officer, leading a squad of soldiers, had tasted the wine to be given out at the event and deemed it to be the genuine article.
As early as the 17th century, the hustle and bustle at the Oberstreiter-Markt had got so far out of hand, thereby rousing God in heaven to wrath and retribution that the Oberamtmann of Böckelheim felt constrained to impose a strict ban.
On 24 August 1687, Oberamtmann Pawal von Ramlingen issued an order that anybody caught at the Oberstreiter-Markt dancing, gorging himself, guzzling wine or taking part in a brawl would either be locked up in the tower for eight days or have to pay a fine of 10 Rhenish guilders.