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Communication Rates


Fiscal Year 2020 - 2021

Telephone Line Charge$40.76 per month
Voicemail Boxes Included in Telephone Line Charge
Telephone UsageCost plus 34.98%
 Data Line UsageCost plus 34.98%
 Cell, Satellite Device Lines$5.00 per month  
 Cell Phones; Satellite devices; wireless data devicesCost plus 14.94%
PagersCost plus $1.72 per device
Equipment (phones, headsets, etc)Cost
Telephone Technician Labor RateContract Cost
 (Estimate: $110 per hour)
Project EngineerContract Cost
(Estimate: $189 per hour)

Contact Information

County of Sonoma
Contact us by Phone
2615 Paulin Drive
Santa Rosa, CA 95403
38.4661956, -122.724846

ISD Rate Structure Updates

Last Updated February 13, 2018

Annual calculation of rates and methodology is completed by end of January for the following fiscal year.