diff --git a/app/Models/Member/Concerns/HasNoTimestamps.php b/app/Models/Member/Concerns/HasNoTimestamps.php
new file mode 100644
index 0000000..0a0bb12
--- /dev/null
+++ b/app/Models/Member/Concerns/HasNoTimestamps.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Models\Member\Concerns;
+
+trait HasNoTimestamps
+{
+    public $timestamps = false;
+}
diff --git a/app/Models/Member/MemAddress.php b/app/Models/Member/MemAddress.php
new file mode 100644
index 0000000..464f009
--- /dev/null
+++ b/app/Models/Member/MemAddress.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemAddress extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_address';
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(MemInfo::class, 'mem_no', 'mem_no');
+    }
+}
diff --git a/app/Models/Member/MemAuth.php b/app/Models/Member/MemAuth.php
new file mode 100644
index 0000000..1db2e0d
--- /dev/null
+++ b/app/Models/Member/MemAuth.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemAuth extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_auth';
+
+    // 복합키라 Eloquent 기본 save/update 패턴이 불편함
+    // 조회는 모델로 하고, 쓰기(업서트)는 Repository로 통일 권장
+    protected $primaryKey = null;
+    public $incrementing = false;
+    protected $keyType = 'string';
+
+    protected $guarded = [];
+
+    public const TYPE_EMAIL = 'email';
+    public const TYPE_CELL  = 'cell';
+    public const TYPE_ACCOUNT = 'account';
+    public const TYPE_OTP   = 'otp';
+    public const TYPE_VOW   = 'vow';
+
+    public const STATE_Y = 'Y'; // 완료
+    public const STATE_N = 'N'; // 미인증
+    public const STATE_P = 'P'; // 처리중
+    public const STATE_R = 'R'; // 요청
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(MemInfo::class, 'mem_no', 'mem_no');
+    }
+}
diff --git a/app/Models/Member/MemAuthInfo.php b/app/Models/Member/MemAuthInfo.php
new file mode 100644
index 0000000..acd8db9
--- /dev/null
+++ b/app/Models/Member/MemAuthInfo.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemAuthInfo extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_auth_info';
+    protected $primaryKey = 'mem_no';
+    public $incrementing = false;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'auth_info' => 'array',
+    ];
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(MemInfo::class, 'mem_no', 'mem_no');
+    }
+}
diff --git a/app/Models/Member/MemAuthLog.php b/app/Models/Member/MemAuthLog.php
new file mode 100644
index 0000000..bd452d9
--- /dev/null
+++ b/app/Models/Member/MemAuthLog.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemAuthLog extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_auth_log';
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'info' => 'array',
+    ];
+
+    public const STATE_S = 'S'; // success
+    public const STATE_F = 'F'; // fail
+    public const STATE_P = 'P'; // pass/processing
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(MemInfo::class, 'mem_no', 'mem_no');
+    }
+}
diff --git a/app/Models/Member/MemInfo.php b/app/Models/Member/MemInfo.php
new file mode 100644
index 0000000..6979e9f
--- /dev/null
+++ b/app/Models/Member/MemInfo.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemInfo extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_info';
+    protected $primaryKey = 'mem_no';
+    protected $keyType = 'int';
+    public $incrementing = true;
+
+    // 테이블이 legacy라 fillable 대신 guarded 추천 (내부에서만 쓰면 []도 가능)
+    protected $guarded = [];
+
+    // zero-date 때문에 datetime/date cast는 걸지 않음 (필요시 별도 accessor로 안전 파싱)
+    protected $casts = [
+        'admin_memo'  => 'array',
+        'modify_log'  => 'array',
+    ];
+
+    /* =====================
+     * Relationships
+     * ===================== */
+
+    public function authInfo(): HasOne
+    {
+        return $this->hasOne(MemAuthInfo::class, 'mem_no', 'mem_no');
+    }
+
+    public function authRows(): HasMany
+    {
+        // mem_auth 복합키 테이블이지만 조회 관계는 문제 없음
+        return $this->hasMany(MemAuth::class, 'mem_no', 'mem_no');
+    }
+
+    public function authLogs(): HasMany
+    {
+        return $this->hasMany(MemAuthLog::class, 'mem_no', 'mem_no');
+    }
+
+    public function addresses(): HasMany
+    {
+        return $this->hasMany(MemAddress::class, 'mem_no', 'mem_no');
+    }
+
+    public function joinLogs(): HasMany
+    {
+        return $this->hasMany(MemJoinLog::class, 'mem_no', 'mem_no');
+    }
+
+    public function stRing(): HasOne
+    {
+        return $this->hasOne(MemStRing::class, 'mem_no', 'mem_no');
+    }
+
+    public function loginRecents(): HasMany
+    {
+        return $this->hasMany(MemLoginRecent::class, 'mem_no', 'mem_no');
+    }
+
+    public function modLogs(): HasMany
+    {
+        return $this->hasMany(MemModLog::class, 'mem_no', 'mem_no');
+    }
+
+    /* =====================
+     * Helpers (optional)
+     * ===================== */
+
+    public function isWithdrawn(): bool
+    {
+        // legacy: dt_out 기본값이 0000-00-00... 이므로 문자열 비교로 처리
+        return isset($this->attributes['dt_out']) && $this->attributes['dt_out'] !== '0000-00-00 00:00:00';
+    }
+
+    public function hasEmail(): bool
+    {
+        return !empty($this->attributes['email']);
+    }
+}
diff --git a/app/Models/Member/MemJoinFilter.php b/app/Models/Member/MemJoinFilter.php
new file mode 100644
index 0000000..52d5d94
--- /dev/null
+++ b/app/Models/Member/MemJoinFilter.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemJoinFilter extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_join_filter';
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'admin_phone' => 'array',
+    ];
+}
diff --git a/app/Models/Member/MemJoinLog.php b/app/Models/Member/MemJoinLog.php
new file mode 100644
index 0000000..8f342a7
--- /dev/null
+++ b/app/Models/Member/MemJoinLog.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemJoinLog extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_join_log';
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(MemInfo::class, 'mem_no', 'mem_no');
+    }
+}
diff --git a/app/Models/Member/MemLoginRecent.php b/app/Models/Member/MemLoginRecent.php
new file mode 100644
index 0000000..7424c90
--- /dev/null
+++ b/app/Models/Member/MemLoginRecent.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemLoginRecent extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_login_recent';
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(MemInfo::class, 'mem_no', 'mem_no');
+    }
+}
diff --git a/app/Models/Member/MemLoginYear.php b/app/Models/Member/MemLoginYear.php
new file mode 100644
index 0000000..58be580
--- /dev/null
+++ b/app/Models/Member/MemLoginYear.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+/**
+ * 연도별 테이블(mem_login_2026 등)을 런타임에 붙이는 모델.
+ * 쓰기 시: (new MemLoginYear())->forYear(2026)->create([...])
+ */
+class MemLoginYear extends Model
+{
+    use HasNoTimestamps;
+
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    public function forYear(int $year): self
+    {
+        $this->setTable('mem_login_' . $year);
+        return $this;
+    }
+}
diff --git a/app/Models/Member/MemModLog.php b/app/Models/Member/MemModLog.php
new file mode 100644
index 0000000..8789310
--- /dev/null
+++ b/app/Models/Member/MemModLog.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemModLog extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_mod_log';
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+}
diff --git a/app/Models/Member/MemPasswdModify.php b/app/Models/Member/MemPasswdModify.php
new file mode 100644
index 0000000..b777f4c
--- /dev/null
+++ b/app/Models/Member/MemPasswdModify.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemPasswdModify extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_passwd_modify';
+    protected $primaryKey = 'seq';
+    public $incrementing = true;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'info' => 'array',
+    ];
+}
diff --git a/app/Models/Member/MemStRing.php b/app/Models/Member/MemStRing.php
new file mode 100644
index 0000000..29563d0
--- /dev/null
+++ b/app/Models/Member/MemStRing.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use App\Models\Member\Concerns\HasNoTimestamps;
+
+class MemStRing extends Model
+{
+    use HasNoTimestamps;
+
+    protected $table = 'mem_st_ring';
+    protected $primaryKey = 'mem_no';
+    public $incrementing = false;
+    protected $keyType = 'int';
+
+    protected $guarded = [];
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(MemInfo::class, 'mem_no', 'mem_no');
+    }
+}
diff --git a/app/Repositories/Member/MemberAuthRepository.php b/app/Repositories/Member/MemberAuthRepository.php
new file mode 100644
index 0000000..dd334e4
--- /dev/null
+++ b/app/Repositories/Member/MemberAuthRepository.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace App\Repositories\Member;
+
+use App\Models\Member\MemAuth;
+use App\Models\Member\MemAuthInfo;
+use App\Models\Member\MemAuthLog;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Carbon;
+
+class MemberAuthRepository
+{
+    /**
+     * mem_auth (mem_no, auth_type) 업서트
+     * - auth_date는 date 컬럼: Y-m-d
+     */
+    public function upsertState(
+        int $memNo,
+        string $authType,
+        string $authState,
+        ?string $authDate = null
+    ): void {
+        $authDate = $authDate ?: Carbon::now()->toDateString();
+
+        DB::table('mem_auth')->updateOrInsert(
+            ['mem_no' => $memNo, 'auth_type' => $authType],
+            ['auth_state' => $authState, 'auth_date' => $authDate]
+        );
+    }
+
+    public function markRequested(int $memNo, string $authType, array $logInfo = []): void
+    {
+        $this->setStateWithLog($memNo, $authType, MemAuth::STATE_R, MemAuthLog::STATE_P, $logInfo);
+    }
+
+    public function markProcessing(int $memNo, string $authType, array $logInfo = []): void
+    {
+        $this->setStateWithLog($memNo, $authType, MemAuth::STATE_P, MemAuthLog::STATE_P, $logInfo);
+    }
+
+    public function markSuccess(int $memNo, string $authType, array $logInfo = []): void
+    {
+        $this->setStateWithLog($memNo, $authType, MemAuth::STATE_Y, MemAuthLog::STATE_S, $logInfo);
+    }
+
+    public function markFail(int $memNo, string $authType, array $logInfo = []): void
+    {
+        $this->setStateWithLog($memNo, $authType, MemAuth::STATE_N, MemAuthLog::STATE_F, $logInfo);
+    }
+
+    /**
+     * mem_auth_info.auth_info JSON에 타입별로 병합 저장
+     * - 예: ["email" => [...], "cell" => [...]]
+     */
+    public function mergeAuthInfo(int $memNo, string $authType, array $payload): void
+    {
+        DB::transaction(function () use ($memNo, $authType, $payload) {
+            /** @var MemAuthInfo $row */
+            $row = MemAuthInfo::query()->find($memNo);
+
+            if (!$row) {
+                $row = new MemAuthInfo();
+                $row->mem_no = $memNo;
+                $row->auth_info = [];
+            }
+
+            $data = $row->auth_info ?: [];
+            $data[$authType] = array_merge($data[$authType] ?? [], $payload);
+
+            $row->auth_info = $data;
+            $row->save();
+        });
+    }
+
+    /**
+     * mem_auth 상태 변경 + mem_auth_log 기록을 한 트랜잭션으로
+     */
+    private function setStateWithLog(
+        int $memNo,
+        string $authType,
+        string $authState,
+        string $logState,
+        array $logInfo
+    ): void {
+        DB::transaction(function () use ($memNo, $authType, $authState, $logState, $logInfo) {
+            $this->upsertState($memNo, $authType, $authState);
+
+            MemAuthLog::query()->create([
+                'mem_no' => $memNo,
+                'type'   => $authType,
+                'state'  => $logState,
+                'info'   => $logInfo,
+                'rgdate' => Carbon::now()->toDateTimeString(),
+            ]);
+        });
+    }
+
+    public function getState(int $memNo, string $authType): ?string
+    {
+        return DB::table('mem_auth')
+            ->where('mem_no', $memNo)
+            ->where('auth_type', $authType)
+            ->value('auth_state');
+    }
+
+    public function isVerified(int $memNo, string $authType): bool
+    {
+        return $this->getState($memNo, $authType) === MemAuth::STATE_Y;
+    }
+}