DevFeeFinder
TransportationSet by county fee ordinance

Road Impact Mitigation (RIM) fee and benefit basins

Levied by County of Calaveras Department of Public Works on new development in Calaveras County (unincorporated). Authorized under the Mitigation Fee Act - Gov. Code Sec. 66000 et seq. Collected at building permit.

What one house pays

$4,429

For a typical home: a 2,000 sq ft detached house on a 0.13 acre lot, on a new subdivision lot — this fee varies by zone, so see the full schedule below.

Share of Calaveras County (unincorporated)'s total
5%
Total one-time fees here
$86,316
Adjustment
Adjusts yearly · ENR construction cost index · March
what the document says

annual, ENR San Francisco Construction Cost Index, each March — but this is the NEXUS STUDY'S RECOMMENDATION, not an adopted clause; the adopting instrument (Calaveras County Code ch. 12.10) could not be reached

Next expected change
1 Mar 2027

The record

Why it exists

“The RIM Fee will help maintain adequate levels of service on public roads by facilitating road widening, bridge replacement, drainage improvements, new roadway construction, pedestrian and bicycle improvements at the time of road reconstruction, and the addition of safety features such as passing lanes, turn lanes, and adequate roadside shoulders. Improvements to other components of the transportation system, such as public transit systems, are not included in the RIM Fee Program.”

Nexus Study, April 28, 2004, ch. I Executive Summary, "PURPOSE OF FEE", pp. 1-2 · source document ↗
What it pays for

“RIM fees from new development will be used to fund: Regional transportation improvements. The proposed RIM Fee will fund needed additions and improvements to regional roadways to accommodate increases in future traffic volumes projected to result from new development ... Improvements to local roads of regional significance. The proposed RIM Fee will fund needed additions and improvements to local roads of regional significance to accommodate future traffic volumes projected to result from new development.”

Nexus Study, April 28, 2004, ch. I, "USE OF FEES", p. 2 · source document ↗
Where it applies

“The proposed Road Impact Mitigation (RIM) Fee Program is regional in scope and funds transportation improvements required to serve new development in unincorporated Calaveras County through 2025.”

Nexus Study, April 28, 2004, ch. I Executive Summary, opening paragraph, p. 1 · source document ↗
When it was adopted

2004-02-02

“The Calaveras County Road Impact Mitigation (RIM) Fee Program Ordinance and Resolution accompanying this nexus study were introduced by majority vote of the Calaveras County Board of Supervisors on January 23, 2004. The Board of Supervisors voted to adopt the RIM Fee Program on February 2, 2004 by approving the RIM Fee Program Ordinance and Resolution as introduced.”

Road Impact Mitigation Fee Nexus Study, Final Report, Calaveras Council of Governments / Economic & Planning Systems, April 28, 2004, unnumbered transmittal page preceding the Table of Contents; the same two sentences are published on the Council's own page at https://calacog.org/resources/rim-fee-report/ · source document ↗
When it is paid

at building permit

“All developments shall pay the amount of the RIM Fee in effect at the time a building permit is issued. If a Mello-Roos district or similar financing district is established, only the portion or component of the Fee not included in the financing district shall be collected at building permit issuance.”

Nexus Study, April 28, 2004, ch. VIII Implementation, "FEE COLLECTION AND EXEMPTIONS", p. 36 · source document ↗
Who collects it

County of Calaveras Building Department

“OTHER DEPARTMENTS FEES | PUBLIC WORKS | Road Impact – Primary Dwelling $4,429 ... *All fees are estimates and only include major fees associated with the permit cost. All plan check fees are due upon submittal. Other departmental fees may be assessed.”

County of Calaveras Building Department FEE SCHEDULE, EFFECTIVE AUGUST 8TH 2026, p. 2, table "OTHER DEPARTMENTS FEES" · source document ↗
Who is exempt

“EXEMPTIONS FROM THE FEE — The Board of Supervisors may waive any and all portions of the Fee if it can be determined that a proposed project will not impact any facility for which the Fee is collected. Exemption criteria will be established by the County at the time of enactment of the fee ordinance(s) and/or resolution(s). Examples of the types of development that may be fully or partially exempted from the Fee include additions to residential and nonresidential structures, construction of housing for low- or very low–income occupants, replacement of damaged or destroyed structures, public facilities, and agricultural storage facilities.”

Nexus Study, April 28, 2004, ch. VIII, pp. 36-37 · source document ↗
Credits and offsets

“Developers/landowners who fund construction of eligible roadway improvements will be eligible for reimbursements against the appropriate fee or fees. Fee credits/reimbursements will be available for the facility construction cost as shown in this nexus study. Fee credits/reimbursements will be adjusted annually by the inflation factor used to adjust the fee program. Once fee credits have been determined, they will be used at the time the respective fees would be due.”

Nexus Study, April 28, 2004, ch. VIII, "FEE CREDITS/REIMBURSEMENTS", pp. 38-39 · source document ↗
How it changes

“The Fee Program went into effect 30 days later on March 3 and the collection of RIM fees began 60 days later on April 2.”

Nexus Study, April 28, 2004, unnumbered transmittal page preceding the Table of Contents · source document ↗

Every published rate

Land useRateBasisEffectiveAmount
—
Single-family detached this home per DU 8 Aug 2026 $4,429

“OTHER DEPARTMENTS FEES | PUBLIC WORKS | Road Impact – Primary Dwelling | $4,429”

County of Calaveras Building Department FEE SCHEDULE, EFFECTIVE AUGUST 8TH 2026, p. 2, table headed "OTHER DEPARTMENTS FEES", column heading "PUBLIC WORKS", row label "Road Impact – Primary Dwelling" · source document ↗
Multi-family per DU 8 Aug 2026 $3,090
the line this rate was read from

“OTHER DEPARTMENTS FEES | PUBLIC WORKS | Road Impact – ADU over 750sqft | $3,090”

County of Calaveras Building Department FEE SCHEDULE, EFFECTIVE AUGUST 8TH 2026, p. 2, table headed "OTHER DEPARTMENTS FEES", column heading "PUBLIC WORKS", row label "Road Impact – ADU over 750sqft" · source document ↗
Copperopolis
Single-family detached per DU 8 Aug 2026 $1,271
the line this rate was read from

“OTHER DEPARTMENTS FEES | PUBLIC WORKS | Copperopolis Benefit Basin | $1,271”

County of Calaveras Building Department FEE SCHEDULE, EFFECTIVE AUGUST 8TH 2026, p. 2, table headed "OTHER DEPARTMENTS FEES", column heading "PUBLIC WORKS", row label "Copperopolis Benefit Basin" · source document ↗
Valley Springs
Single-family detached per DU 8 Aug 2026 $1,262
the line this rate was read from

“OTHER DEPARTMENTS FEES | PUBLIC WORKS | Valley Springs Benefit Basin | $1,262”

County of Calaveras Building Department FEE SCHEDULE, EFFECTIVE AUGUST 8TH 2026, p. 2, table headed "OTHER DEPARTMENTS FEES", column heading "PUBLIC WORKS", row label "Valley Springs Benefit Basin" · source document ↗

About these figures

Quoted, not summarized. Every amount and fact on this page is copied from the official document it links to. If we couldn’t find something in a document, we leave it blank instead of guessing.

Before any discounts. Some fees offer credits, waivers or phase-ins. They’re listed above but not subtracted, because whether you qualify depends on your project.

Check the date. Fees change. This page shows what was in force on the date at the top, with a link to the document that set it, so you can confirm the current amount yourself. How all of this is put together.

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