Reviewed against CRS 38-33.3-309 (quorum

Colorado CCIOA Voting & Supermajority Calculator — Quorum, Declaration, Board Removal

Compute whether a Colorado HOA member vote has reached quorum and the votes-required-to-pass threshold under CCIOA (CRS 38-33.3-309 quorum 20% default; CRS 38-33.3-217 declaration amendment 67% of total membership; CRS 38-33.3-310.5 executive board removal 67% of total membership default; CRS 38-33.3-303 general voting majority of quorum; CRS 38-33.3-315 special-assessment authorization per declaration). Returns the effective quorum, votes required to pass, and the current ballot status (passed, failed, pending, or no-quorum).

Calculator

Adjust the inputs below; the result updates instantly.

Membership

Total units / votes in the association

Attendance

Votes cast in person at the meeting

Votes by valid proxy

Votes by returned mail-in ballot

Vote

Vote type

The type of vote being conducted. Each type has a distinct threshold under CCIOA: regular (majority of quorum); declaration amendment (67% of total under CRS 38-33.3-217); bylaws amendment (per bylaws specification); special assessment over the declaration threshold (majority of quorum under CRS 38-33.3-315); executive board removal (67% default under CRS 38-33.3-310.5); association merger (declaration-amendment-level).

Overrides

Bylaws-specified quorum (%)

Declaration-specified supermajority (%)

Tally

Yes votes cast (for the measure)

No votes cast (against the measure)

Verdict

MEASURE PASSED. Quorum met (45 of 20). 30 yes votes meet or exceed the 23-vote threshold (51.0% of quorum).

Outcome: PASSED — measure adopted
Quorum status: MET — 45 of 20 required
Effective quorum requirement: 20.0% = 20 votes
Total ballots counted toward quorum: 45
Threshold basis: 51.0% of majority of quorum
Total votes cast: 45
Summary: Colorado HOA quorum and supermajority analysis under the Colorado Common Interest Ownership Act (CCIOA, CRS 38-33.3-101 et seq.) — CRS 38-33.3-309 quorum (20% default); CRS 38-33.3-217 declaration amendment (67% of total membership); CRS 38-33.3-310.5 executive board removal (67% of total membership default); CRS 38-33.3-303 general voting (majority of quorum); CRS 38-33.3-315 special-assessment authorization (per declaration). Residual rules under Colorado Revised Nonprofit Corporation Act (CRS 7-127 et seq.). Total units: 100. In-person: 15; by proxy: 10; by mail: 20. Total counted toward quorum: 45. Effective quorum: 20.0% (CRS 38-33.3-309 default 20%) = 20 votes. Quorum met: YES. Vote type: regular member-meeting vote (majority of quorum). Threshold: 51.0% of quorum = 23 yes votes required to pass. Tally: 30 yes, 15 no (total 45 cast). Outcome: PASSED. MEASURE PASSED. Quorum met (45 of 20). 30 yes votes meet or exceed the 23-vote threshold (51.0% of quorum).

Tools to go with this

Need a CRS 38-33.3-217 declaration-amendment ballot packet or a CRS 38-33.3-310.5 board-removal vote checklist?

Fennec Press's Colorado HOA governance bundle includes the CRS 38-33.3-217 declaration-amendment ballot packet (67% of total membership compliance checklist), the CRS 38-33.3-310.5 executive-board-removal ballot packet, the CRS 38-33.3-309 quorum-determination worksheet, the bylaws-amendment ballot template, the special-assessment authorization checklist under CRS 38-33.3-315, and the inspector-of-elections appointment and proxy-validation checklist.

Open Fennec Press Colorado HOA bundle→

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Published by

The Fennec Lab Editorial Team

Statute-cited · Unit-tested

Reviewed against: CRS 38-33.3-309 (quorum — 20% default unless bylaws specify otherwise); CRS 38-33.3-217 (declaration amendment — 67% of votes in the association; declaration may specify higher; cannot reduce); CRS 38-33.3-217(4) (special declaration amendments requiring unanimous consent of affected unit owners — changing allocated interests, unit boundaries, removal of units from common-interest community); CRS 38-33.3-310.5 (removal of executive board members — 67% of votes in association default; bylaws may set different threshold); CRS 38-33.3-303 (general voting — majority of quorum for ordinary business; board fiduciary duties); CRS 38-33.3-315 (special-assessment authorization per declaration; CCIOA imposes no statutory ceiling); CRS 38-33.3-209.5 (association merger requires declaration-amendment-level supermajority); CRS 7-127 et seq. (Colorado Revised Nonprofit Corporation Act — residual rules for HOA voting where CCIOA is silent)

Last reviewed: 2026-05-16

How this calculator works

This is a quorum-and-threshold validator for Colorado HOA member votes. Given the total units, the in-person attendance, the proxy count, the mail-in ballot count, the vote type, and any bylaws- or declaration-specified overrides, it returns:

Whether quorum has been met (total ballots compared against the effective quorum requirement under CRS 38-33.3-309 or the bylaws-specified override).
The yes votes required to pass for the vote type (67% of total membership for declaration amendments under CRS 38-33.3-217; 67% of total for executive board removal under CRS 38-33.3-310.5; majority of quorum for ordinary business under CRS 38-33.3-303; etc.).
The current ballot status (PASSED, FAILED, PENDING, or NO-QUORUM) based on the supplied vote tally.

Use the calculator before convening a member meeting to confirm the procedural framework; use it during ballot counting to validate the threshold; use it after a meeting to memorialize the outcome in the secretary's minutes.

The relevant CCIOA statute

Colorado common-interest community voting is governed by CCIOA provisions in CRS 38-33.3 with residual rules under the Colorado Revised Nonprofit Corporation Act (CRS 7-127 et seq.).

CRS 38-33.3-309 — Default quorum is 20% of the votes in the association unless the bylaws specify otherwise. The 20% default is one of the lower quorum floors in U.S. HOA law; many older Colorado declarations specify higher thresholds (33%, 50%).

CRS 38-33.3-217 — Declaration amendment requires 67% of the votes in the association (a true supermajority of all owners, not 67% of those voting). The declaration may specify a higher threshold; the CCIOA 67% floor cannot be reduced.

CRS 38-33.3-217(4) — Special declaration amendments require unanimous consent of affected unit owners: changing allocated interests, changing unit boundaries, removing units from the common-interest community. The 67% supermajority is NOT sufficient for these special amendments.

CRS 38-33.3-310.5 — Executive board removal requires 67% of the votes in the association by default. Uniquely among CCIOA supermajority provisions, the bylaws may set EITHER a higher or lower threshold for board removal.

CRS 38-33.3-303 — General voting: majority of a quorum for ordinary business. Board fiduciary duties; executive-session limitations.

CRS 38-33.3-315 — Special-assessment authorization per the declaration. The declaration typically specifies a threshold (often 25% of annual budget); above the threshold, member approval is required. CCIOA imposes no statutory ceiling.

CRS 38-33.3-209.5 — Association merger is treated as declaration-amendment-level supermajority (67% of total membership).

CRS 7-127-203 — Residual proxy-voting rules under the Colorado Revised Nonprofit Corporation Act. Proxies permitted unless bylaws prohibit; 11-month default validity.

Key thresholds and gotchas

MAJORITY OF TOTAL vs MAJORITY OF QUORUM. CCIOA uses MAJORITY OF TOTAL for declaration amendments (CRS 38-33.3-217) and executive board removal (CRS 38-33.3-310.5) — the property-rights and governance-accountability actions. CCIOA uses MAJORITY OF QUORUM for ordinary business and most special assessments — the operational actions. Confusing the two is the most common voting-threshold error in Colorado HOA practice.

A DECLARATION AMENDMENT CAN FAIL WITH 75% VOTER APPROVAL. In a 100-unit association with 80 voters (80% turnout), 60 yes votes (75% of voters) is below the 67-vote total-membership threshold and the amendment fails. Boards routinely announce declaration amendments as passed based on majority-of-voters math; this is wrong.

THE DECLARATION MAY RAISE BUT NOT LOWER THE 67% FLOOR. A declaration specifying 50% for amendments is unenforceable to the extent it falls below the CRS 38-33.3-217 67% floor. A declaration specifying 75% is enforceable as a higher-than-statutory threshold.

UNANIMOUS CONSENT FOR SPECIAL AMENDMENTS. Changes to allocated interests, unit boundaries, or removal of units require unanimous consent of affected unit owners under CRS 38-33.3-217(4). The 67% supermajority does not apply.

BOARD REMOVAL THRESHOLD CAN GO EITHER WAY. CRS 38-33.3-310.5 uniquely allows the bylaws to set the board-removal threshold higher OR lower than the 67% default. Some Colorado bylaws specify 51% for board removal to make accountability easier; others specify 75% or higher.

SPECIAL-ASSESSMENT THRESHOLD IS BY DECLARATION. CRS 38-33.3-315 does not impose a statutory ceiling on the special-assessment threshold; the declaration specifies it. The standard template uses 25% of the annual budget; verify the declaration before any consequential special-assessment decision.

PROXIES UNDER NONPROFIT CORPORATION ACT. CCIOA is silent on proxies; the residual rule under CRS 7-127-203 permits proxies with an 11-month default validity. Bylaws may restrict or extend.

Worked example: regular member vote

100 units. 20% quorum default (no bylaws override). 15 in-person, 10 by proxy, 20 by mail. Vote: regular. 30 yes, 15 no.

Total ballots: 45. Quorum: 20 (20% of 100). QUORUM MET.
Vote type: regular. Threshold: majority of quorum. Votes required: 51% of 45 = 23 yes votes.
30 yes votes meets the 23-vote threshold. PASSED.

Worked example: declaration amendment — the total-membership trap

100 units. 15 in-person, 10 by proxy, 20 by mail. Vote: declaration amendment. 30 yes, 15 no.

Total ballots: 45. Quorum: 20 (20% of 100). QUORUM MET.
Vote type: declaration amendment. Threshold: 67% of TOTAL membership = 67 yes votes required.
30 yes votes falls short of the 67-vote threshold. FAILED — even though 67% of voters approved.

This is the trap. The same ballot tally that passes a regular vote (30 yes is 67% of voters) FAILS a declaration amendment (30 is only 30% of total). Boards must structure declaration-amendment campaigns to target the total-membership denominator, not the voter denominator — meaning outreach to non-voters is critical.

Worked example: executive board removal

100 units. 30 in-person, 20 by proxy, 30 by mail. Vote: executive board removal. 70 yes, 10 no.

Total ballots: 80. Quorum: 20 (20% of 100). QUORUM MET.
Vote type: executive board removal. Default threshold: 67% of TOTAL = 67 yes votes required.
70 yes votes meets the 67-vote threshold. PASSED — board member removed.

If the bylaws specified a 51% threshold for board removal, the math changes: 51% of total = 51 yes votes; the measure passes with 70 yes votes by a wider margin. If the bylaws specified 75% — the measure fails at 70 yes votes (75% of 100 = 75 required).

Worked example: declaration amendment with declaration-specified higher threshold

100 units. 30 in-person, 20 by proxy, 30 by mail. Vote: declaration amendment. Declaration specifies 75% supermajority. 70 yes, 10 no.

Total ballots: 80. Quorum: 20. QUORUM MET.
Vote type: declaration amendment. Threshold: max(67%, 75%) = 75% of TOTAL = 75 yes votes required.
70 yes votes falls short by 5. FAILED.

The declaration-specified higher threshold controls. Boards should verify the declaration BEFORE the meeting to know the actual threshold.

Worked example: no quorum

100 units. 5 in-person, 5 by proxy, 5 by mail. Vote: regular.

Total ballots: 15. Quorum: 20. SHORT BY 5.
Outcome: NO-QUORUM. The measure cannot proceed regardless of how many of the 15 attending vote yes.

The secretary should adjourn the meeting (or invoke reduced-quorum procedures if specified in the bylaws for a reconvened meeting). Some Colorado bylaws permit a reduced quorum at the SECOND attempt.

What this calculator does NOT model

The calculator implements the QUORUM-AND-SUPERMAJORITY math. It does NOT:

Model weighted voting (votes allocated by undivided interest, square footage, or unit type).
Validate the form of proxies (signature, witness, delegation chain).
Model cumulative voting for board elections (where applicable).
Model unanimous-consent requirements under CRS 38-33.3-217(4) for changes to allocated interests, unit boundaries, or removal of units.
Validate compliance with the CCIOA notice requirements that gate the meeting.
Model the declarant control period during which the declarant retains additional voting power.
Model post-meeting challenge procedures for contested elections.

For any consequential vote (declaration amendment, board removal, association merger, special assessment over threshold), retain Colorado counsel with CCIOA experience to oversee the inspector-of-elections function and the procedural compliance review.

Counting conventions

The calculator rounds the effective quorum vote count UP. A 20% quorum on 47 units is 10 votes (rounded up from 9.4), not 9. Colorado practice rounds up because partial votes are not possible.

The calculator counts each unit EXACTLY ONCE toward quorum. A member who attends in person and also has a returned mail ballot is counted only once. The calculator assumes the input counts are mutually exclusive — the secretary should not double-count.

For supermajority calculations on TOTAL membership (declaration amendment, board removal, association merger), the threshold is the supermajority percent of total units EXACTLY, rounded up.

For supermajority calculations on MAJORITY OF QUORUM (regular, special assessment), the threshold is calculated on the greater of (a) the effective quorum vote count or (b) the actual votes counted. This is a conservative interpretation; Colorado practice in some associations uses majority of votes actually cast at the quorum-validated meeting.

Sources

Last reviewed: 2026-05-16 against:

CRS 38-33.3-309 (default 20% quorum).
CRS 38-33.3-217 (declaration amendment, 67% of total membership).
CRS 38-33.3-217(4) (special amendments requiring unanimous consent of affected unit owners).
CRS 38-33.3-310.5 (removal of executive board members, 67% of total default).
CRS 38-33.3-303 (general voting; board fiduciary duties; executive-session limitations).
CRS 38-33.3-315 (special-assessment authorization per declaration).
CRS 38-33.3-209.5 (association merger, declaration-amendment-level).
CRS 7-127 et seq. (Colorado Revised Nonprofit Corporation Act residual rules).
CRS 7-127-203 (proxy voting under Nonprofit Corporation Act).
CAI Rocky Mountain Chapter practitioner publications on CCIOA voting procedure.
Colorado Bar Association Real Estate Section CCIOA practice resources.

CRS 38-33.3-309 sets the default quorum at 20% of the votes in the association unless the bylaws specify otherwise. The 20% default is one of the lower quorum floors in U.S. HOA law — Colorado intentionally set a low threshold to make member meetings achievable given historically low turnout. Many Colorado declarations specify higher quorum thresholds (33%, 50%); the bylaws may set the quorum above the 20% floor by express provision. Bylaws cannot reduce below the 20% statutory minimum without an express member vote and amendment under the declaration-amendment procedures. The calculator uses 20% as the default and accepts an override via the bylaws-specified quorum input.

CRS 38-33.3-217 requires declaration amendments to be approved by at least 67% of the votes in the association — a true supermajority of all owners, not 67% of those voting. This is a critical distinction: in an association with 100 units, a declaration amendment requires 67 yes votes regardless of whether 70, 80, or 100 members participate. If only 70 members vote yes-no and 67 vote yes, the amendment passes (67% of total). If 50 vote yes and 20 vote no, the amendment fails (only 50% of total). The 67% threshold is the statutory MINIMUM; declarations may specify higher (some specify 75%, 80%, or unanimous). The declaration cannot reduce below 67% — the CCIOA floor is non-negotiable.

CRS 38-33.3-217(4) requires unanimous consent of all affected unit owners for certain declaration amendments: (a) changing the allocated interests (the percentage interest in common expenses, voting, or undivided interest); (b) changing unit boundaries (combining units, subdividing units, reallocating common-area boundaries); (c) removing a unit from the common-interest community. These amendments have property-rights significance beyond the typical declaration amendment — they directly affect each unit owner's recorded title — and the unanimity requirement reflects this. The 67% supermajority under CRS 38-33.3-217 is NOT sufficient for these special amendments; they require the express written consent of every affected unit owner.

CRS 38-33.3-310.5 allows the membership to remove any member of the executive board (other than a declarant-appointed member during the declarant control period) by a vote of 67% of the votes in the association. The 67% default may be modified by the bylaws — uniquely among CCIOA supermajority provisions, the bylaws may set EITHER a higher OR a lower threshold for board removal. Some Colorado bylaws specify a 51% majority for board removal to make accountability easier; others specify 75% or higher to insulate the board from removal. The calculator accepts a declaration/bylaws-specified threshold via the supermajority input.

A DECLARATION amendment changes the recorded declaration — the property-rights document that defines the common-interest community. CRS 38-33.3-217 sets the default at 67% of total membership. A BYLAWS amendment changes the bylaws — the governance-procedure document. CCIOA does not specify a default for bylaws amendments; the bylaws themselves typically specify the amendment threshold. Absent specification, the residual rule under the Colorado Revised Nonprofit Corporation Act is majority of a quorum. Declarations are recorded with the county; bylaws may be recorded but typically are not. The calculator distinguishes the two and applies the appropriate threshold for each.

CRS 38-33.3-315 authorizes the executive board to impose special assessments per the declaration; the declaration typically specifies a threshold expressed as a percent of the annual budget. The standard Colorado declaration template uses 25% — the board may impose special assessments up to 25% of the annual budget without member approval; above 25%, member approval is required. CCIOA does NOT impose a statutory ceiling — the threshold is fixed by the declaration. Some Colorado declarations specify lower thresholds (10%, 15%); others specify higher (50%). Verify the declaration before any consequential special-assessment decision. Above the threshold, the member-vote requirement applies; the calculator uses majority of quorum as the default.

CCIOA does not directly address proxies; the residual rule is the Colorado Revised Nonprofit Corporation Act under CRS 7-127-203, which permits proxies for member voting unless the bylaws prohibit them. A valid proxy: (a) is in writing; (b) is signed by the member; (c) names a specific proxy holder (the proxy holder is typically required to be another member, depending on bylaws); (d) is delivered to the inspector of elections or secretary before the meeting starts (or by the ballot return deadline for mail-in ballots); (e) has not been revoked by the member. Each proxy counts ONCE toward quorum and ONCE toward the vote tally. CRS 7-127-203 imposes an 11-month default validity period for proxies; bylaws may specify shorter or longer.

If quorum is not met, the meeting CANNOT take official action. Two options: (a) ADJOURN AND RECONVENE under reduced-quorum procedures if specified in the bylaws (some Colorado bylaws specify reduced quorum for the reconvened meeting — often 25% or 10% of the original quorum); the reduced quorum is valid only if specified in the governing documents. (b) RESCHEDULE THE FULL MEETING — re-notice the meeting and try again. The calculator flags NO-QUORUM outcomes so the board secretary knows the measure cannot be reported as passed even if a majority of those present voted yes. CCIOA does not impose a statutory reduced-quorum procedure; whether the bylaws may specify one is generally accepted in Colorado practice.

Yes. The CRS 38-33.3-217 threshold is 67% of TOTAL membership, not 67% of voters. In a 100-unit association with 80 voters (80% turnout), 60 yes votes (75% of voters) is below the 67-vote total-membership threshold and the amendment FAILS. The calculator distinguishes the two thresholds — the verdict text explicitly states whether the threshold is "of total membership" or "of quorum" so the secretary or inspector knows which math to apply. This is a recurring source of confusion in Colorado HOA elections; boards routinely announce a declaration amendment as "passed" because a supermajority of voters approved it, only to discover the total-membership threshold was not met. The calculator surfaces the correct threshold for each vote type to prevent this error.

No. The calculator assumes one-vote-per-unit (the most common Colorado allocation). Many Colorado declarations allocate votes differently: by undivided interest in the common elements (e.g., proportional to unit square footage); by unit type (residential vs. commercial); by phase (developer-controlled phases retain higher voting power during declarant control); or by a fixed allocation set out in the declaration. For associations with weighted voting, the calculator output is approximate — use the unit count as the input for the simplified calculation, then adjust the threshold based on the actual vote allocation specified in the declaration. For consequential weighted-voting calculations, consult Colorado counsel.

Resources

Links marked sponsoredmay earn The Fennec Lab a commission. They do not affect the calculator's output. See disclosures.

Colorado Revised Statutes — CRS 38-33.3-309 — CRS 38-33.3-309 — quorum default of 20% of votes in the association
Colorado Revised Statutes — CRS 38-33.3-217 — CRS 38-33.3-217 — declaration amendment, 67% of total membership
Colorado Revised Statutes — CRS 38-33.3-310.5 — CRS 38-33.3-310.5 — removal of executive board members, 67% default
Colorado Revised Statutes — CRS 7-127 et seq. — Colorado Revised Nonprofit Corporation Act — residual rules for HOA voting
CAI Rocky Mountain Chapter — Community Associations Institute — Rocky Mountain Chapter; Colorado HOA governance practitioner reference