What are the opening hours of the registration authority in Ostrach?

The regular counter hours of the authority in Ostrach (Landratsamt Sigmaringen) are: Mo-Mi 07:30-11:30, Do 07:30-11:30, 14:00-16:30, Fr 07:00-11:30. Via the digital i-Kfz platform, you are not bound by these hours and can register or deregister your vehicle online 24/7.

Do I need an appointment for online registration in Ostrach?

No. When you complete new registration, transfer, deregistration, or custom plate reservation via the online platform, no visit to the authority is required. Certificates, stickers, and plates are sent by post.

Which documents are required on the platform for Ostrach?

For digital submission you need a valid ID card or passport, registration certificate part I and part II (with security codes), and the 7-character eVB insurance number.

Which license plate prefixes are issued in Ostrach?

In the registration district Ostrach, the official license plate prefix(es) SIG, SLG, STO, ÜB are issued.

Is iKfz-Zulassung Baden-Württemberg a government authority?

No. iKfz-Zulassung Baden-Württemberg is an independent private online platform. Technical application processing is carried out via our service partner registered with the Federal Motor Transport Authority (KBA).

Registration office Ostrach – online registration & info

Official license plate codes:SIG SLG STO ÜB

Platform overview for Ostrach

Via the digital i-Kfz platform for Ostrach (license plate code: SIG, SLG, STO, ÜB), all standard vehicle procedures can be completed paperlessly: new registration, re-registration, deregistration, transfer of ownership, change of address, emissions sticker, and custom license plate reservation. You need a valid ID card or passport, registration certificate parts I and II (with security codes), and the electronic insurance confirmation (eVB). Submission is handled directly online through our registered service partner – without an appointment at the authority.

Digital i-Kfz services on the platform for Ostrach

Select your desired procedure for the Ostrach registration district. You will find all local requirements and direct access to online processing.

New registration

Register a new vehicle in Ostrach: online, without an appointment at the registration office. Required documents, process, fees and contact details of the responsible authority in Ostrach.

Start registration online

Re-registration

Re-register a de-registered vehicle in Ostrach – online, no appointment. Documents, process and contact of the Ostrach registration office.

Start re-registration online

De-registration

De-register a vehicle in Ostrach (take out of service): online, without an appointment. Documents, process and contact of the Ostrach registration office.

Start de-registration online

Transfer of ownership

Transfer a vehicle in Ostrach: on change of keeper, purchase or relocation – online, no appointment. Documents, process and contact of the Ostrach registration office.

Start transfer online

Change of address

Change the keeper address in Ostrach after moving – online, no appointment. Documents, process and contact of the Ostrach registration office.

Start change of address online

Green emissions sticker

Order the official green emissions sticker (level 4) for Ostrach online – printed with your licence plate for all German low-emission zones.

Order emissions sticker online

Personalised plate

Reserve a personalised plate in Ostrach: check availability online and reserve with the registration office. Process and contact for Ostrach.

Reserve personalised plate

Licence plates

Order licence plates for Ostrach online: embossed to standard, delivered by post. Sizes, types and information for Ostrach.

Order plates online

Car insurance & eVB

Compare car insurance rates for Ostrach, save on premiums and receive your 7-digit electronic insurance confirmation (eVB number) immediately.

Compare rates & get eVB

Duration & overview of digital vehicle services in Ostrach

Key benchmarks for digital vehicle procedures in the registration district Ostrach (SIG, SLG, STO, ÜB):

Procedure in Ostrach	Input time	Key documents	Direct link
Vehicle deregistration	~3 min	Part I + plate security codes	Deregistration Ostrach →
Transfer / change of keeper	~5 min	Parts I & II, eVB number, ID	Transfer Ostrach →
New registration	~5 min	Part II, CoC document, eVB number	New registration Ostrach →
Re-registration	~5 min	Parts I & II, eVB number, valid inspection (HU)	Re-registration Ostrach →
Custom plate (SIG)	~2 min	Desired combination & keeper details	Custom plate Ostrach →

Local vehicle registration authority for Ostrach

Public information of the competent authority (Landratsamt Sigmaringen) – not part of this service.

Kaiserstr. 58
88348 Bad Saulgau
Baden-Württemberg

On-site opening hours: Mo-Mi 07:30-11:30, Do 07:30-11:30, 14:00-16:30, Fr 07:00-11:30

Open in Google Maps →

Authority contact & available services in Ostrach

Phone:: 07581-4809-400
Email:: kfz-zulassung@lrasig.de

Supported procedures in the Ostrach district

New registration
Re-registration
De-registration
Transfer of ownership
Change of address
Green emissions sticker
Personalised plate

4 steps on the digital platform for Ostrach

11. Have vehicle documents readyKeep your ID document, registration certificate parts I & II (with security codes), and your eVB code at hand.
22. Select your online procedureOpen the required i-Kfz service (new registration, transfer, deregistration, or custom plate) on the platform.
33. Submit digitallyEnter vehicle and keeper details online, verify your identity digitally, and submit your application directly.
44. Drive immediately & receive by mailStart driving right away with your provisional certificate; official documents, stickers, and plates arrive by mail.

Questions & answers about the digital platform in Ostrach

All FAQ for Ostrach Guides Ostrach

What are the opening hours of the registration authority in Ostrach?: The regular counter hours of the authority in Ostrach (Landratsamt Sigmaringen) are: Mo-Mi 07:30-11:30, Do 07:30-11:30, 14:00-16:30, Fr 07:00-11:30. Via the digital i-Kfz platform, you are not bound by these hours and can register or deregister your vehicle online 24/7.
Do I need an appointment for online registration in Ostrach?: No. When you complete new registration, transfer, deregistration, or custom plate reservation via the online platform, no visit to the authority is required. Certificates, stickers, and plates are sent by post.
Which documents are required on the platform for Ostrach?: For digital submission you need a valid ID card or passport, registration certificate part I and part II (with security codes), and the 7-character eVB insurance number.
Which license plate prefixes are issued in Ostrach?: In the registration district Ostrach, the official license plate prefix(es) SIG, SLG, STO, ÜB are issued.
Is iKfz-Zulassung Baden-Württemberg a government authority?: No. iKfz-Zulassung Baden-Württemberg is an independent private online platform. Technical application processing is carried out via our service partner registered with the Federal Motor Transport Authority (KBA).

Landratsamt Sigmaringen (SIG, SLG, STO, ÜB)

Other registration districts in Baden-Württemberg

View all 93 locations in Baden-Württemberg →

Last updated: 26.10.2026.

Digital i-Kfz platforms in other federal states

You complete the digital procedures directly with our service partner: Order licence plates online.