diff --git a/funnel/models/account.py b/funnel/models/account.py
index fa89bf6ea..d75b03f79 100644
--- a/funnel/models/account.py
+++ b/funnel/models/account.py
@@ -6,7 +6,7 @@
 import itertools
 from collections.abc import Iterable, Iterator, Sequence
 from datetime import datetime, timedelta
-from typing import TYPE_CHECKING, ClassVar, Literal, cast, overload
+from typing import TYPE_CHECKING, ClassVar, Literal, Self, cast, overload
 from uuid import UUID
 
 import phonenumbers
@@ -1099,7 +1099,7 @@ def all_public(cls) -> Query:
         return query
 
     @classmethod
-    def autocomplete(cls, prefix: str) -> list[Account]:
+    def autocomplete(cls, prefix: str) -> list[Self]:
         """
         Return accounts whose names begin with the prefix, for autocomplete UI.
 
@@ -1332,8 +1332,9 @@ def __init__(self, **kwargs) -> None:
 Account.userid = Account.uuid_b64
 
 
+# TODO: Make an Actor Protocol as the base for both -- maybe placing that in Coaster
 class DuckTypeAccount(RoleMixin):
-    """User singleton constructor. Ducktypes a regular user object."""
+    """User singleton constructor. Duck types a regular user object."""
 
     id: None = None  # noqa: A003
     created_at: None = None
@@ -1872,7 +1873,7 @@ def get_by(
         )
 
     @classmethod
-    def all(cls, email: str) -> Query[AccountEmailClaim]:  # noqa: A003
+    def all(cls, email: str) -> Query[Self]:  # noqa: A003
         """
         Return all instances with the matching email address.
 
diff --git a/funnel/models/auth_client.py b/funnel/models/auth_client.py
index 66e565e3a..c74c05e98 100644
--- a/funnel/models/auth_client.py
+++ b/funnel/models/auth_client.py
@@ -6,7 +6,7 @@
 from collections.abc import Iterable, Sequence
 from datetime import datetime, timedelta
 from hashlib import blake2b, sha256
-from typing import cast, overload
+from typing import Self, cast, overload
 
 from sqlalchemy.orm import attribute_keyed_dict, load_only
 from sqlalchemy.orm.query import Query as QueryBaseClass
@@ -264,7 +264,7 @@ def get(cls, buid: str) -> AuthClient | None:
         return cls.query.filter(cls.buid == buid, cls.active.is_(True)).one_or_none()
 
     @classmethod
-    def all_for(cls, account: Account | None) -> Query[AuthClient]:
+    def all_for(cls, account: Account | None) -> Query[Self]:
         """Return all clients, optionally all clients owned by the specified account."""
         if account is None:
             return cls.query.order_by(cls.title)
@@ -401,7 +401,7 @@ def is_valid(self) -> bool:
         return not self.used and self.created_at >= utcnow() - timedelta(minutes=3)
 
     @classmethod
-    def all_for(cls, account: Account) -> Query[AuthCode]:
+    def all_for(cls, account: Account) -> Query[Self]:
         """Return all auth codes for the specified account."""
         return cls.query.filter(cls.account == account)
 
@@ -596,7 +596,7 @@ def get_for(
         ).one_or_none()
 
     @classmethod
-    def all(cls, accounts: Query | Sequence[Account]) -> list[AuthToken]:  # noqa: A003
+    def all(cls, accounts: Query | Sequence[Account]) -> list[Self]:  # noqa: A003
         """Return all AuthToken for the specified accounts."""
         query = cls.query.join(AuthClient)
         if isinstance(accounts, QueryBaseClass):
@@ -622,7 +622,7 @@ def all(cls, accounts: Query | Sequence[Account]) -> list[AuthToken]:  # noqa: A
         return []
 
     @classmethod
-    def all_for(cls, account: Account) -> Query[AuthToken]:
+    def all_for(cls, account: Account) -> Query[Self]:
         """Get all AuthTokens for a specified account (direct only)."""
         return cls.query.filter(cls.account == account)
 
@@ -689,12 +689,12 @@ def get(
         ).one_or_none()
 
     @classmethod
-    def all_for(cls, account: Account) -> Query[AuthClientPermissions]:
+    def all_for(cls, account: Account) -> Query[Self]:
         """Get all permissions assigned to account for various clients."""
         return cls.query.filter(cls.account == account)
 
     @classmethod
-    def all_forclient(cls, auth_client: AuthClient) -> Query[AuthClientPermissions]:
+    def all_forclient(cls, auth_client: AuthClient) -> Query[Self]:
         """Get all permissions assigned on the specified auth client."""
         return cls.query.filter(cls.auth_client == auth_client)
 
@@ -744,9 +744,7 @@ def get(
         ).one_or_none()
 
     @classmethod
-    def all_for(
-        cls, auth_client: AuthClient, account: Account
-    ) -> Query[AuthClientTeamPermissions]:
+    def all_for(cls, auth_client: AuthClient, account: Account) -> Query[Self]:
         """Get all permissions for the specified account via their teams."""
         return cls.query.filter(
             cls.auth_client == auth_client,
@@ -754,7 +752,7 @@ def all_for(
         )
 
     @classmethod
-    def all_forclient(cls, auth_client: AuthClient) -> Query[AuthClientTeamPermissions]:
+    def all_forclient(cls, auth_client: AuthClient) -> Query[Self]:
         """Get all permissions assigned on the specified auth client."""
         return cls.query.filter(cls.auth_client == auth_client)
 
diff --git a/funnel/models/commentset_membership.py b/funnel/models/commentset_membership.py
index 1292d456c..4790c85c4 100644
--- a/funnel/models/commentset_membership.py
+++ b/funnel/models/commentset_membership.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from datetime import datetime
+from typing import Self
 
 from werkzeug.utils import cached_property
 
@@ -90,7 +91,7 @@ def update_last_seen_at(self) -> None:
         self.last_seen_at = sa.func.utcnow()
 
     @classmethod
-    def for_user(cls, account: Account) -> Query[CommentsetMembership]:
+    def for_user(cls, account: Account) -> Query[Self]:
         """
         Return a query representing all active commentset memberships for a user.
 
diff --git a/funnel/models/contact_exchange.py b/funnel/models/contact_exchange.py
index a10e3dab5..64fd50858 100644
--- a/funnel/models/contact_exchange.py
+++ b/funnel/models/contact_exchange.py
@@ -6,6 +6,7 @@
 from dataclasses import dataclass
 from datetime import date as date_type, datetime
 from itertools import groupby
+from typing import Self
 from uuid import UUID
 
 from pytz import timezone
@@ -258,7 +259,7 @@ def grouped_counts_for(
     @classmethod
     def contacts_for_project_and_date(
         cls, account: Account, project: Project, date: date_type, archived: bool = False
-    ) -> Query[ContactExchange]:
+    ) -> Query[Self]:
         """Return contacts for a given user, project and date."""
         query = cls.query.join(TicketParticipant).filter(
             cls.account == account,
@@ -285,7 +286,7 @@ def contacts_for_project_and_date(
     @classmethod
     def contacts_for_project(
         cls, account: Account, project: Project, archived: bool = False
-    ) -> Query[ContactExchange]:
+    ) -> Query[Self]:
         """Return contacts for a given user and project."""
         query = cls.query.join(TicketParticipant).filter(
             cls.account == account,
diff --git a/funnel/models/email_address.py b/funnel/models/email_address.py
index 3b5c89d39..7cf120e3c 100644
--- a/funnel/models/email_address.py
+++ b/funnel/models/email_address.py
@@ -5,7 +5,7 @@
 import hashlib
 import unicodedata
 from datetime import datetime
-from typing import TYPE_CHECKING, Any, ClassVar, Literal, cast, overload
+from typing import TYPE_CHECKING, Any, ClassVar, Literal, Self, cast, overload
 
 import base58
 import idna
@@ -473,7 +473,7 @@ def get_filter(
         email_hash: str | None = None,
     ) -> sa.ColumnElement[bool] | None:
         """
-        Get an filter condition for retriving an :class:`EmailAddress`.
+        Get an filter condition for retrieving an :class:`EmailAddress`.
 
         Accepts an email address or a blake2b160 hash in either bytes or base58 form.
         Internally converts all lookups to a bytes-based hash lookup. Returns an
@@ -528,14 +528,15 @@ def get(
 
         Internally converts an email-based lookup into a hash-based lookup.
         """
-        return cls.query.filter(
-            cls.get_filter(email=email, blake2b160=blake2b160, email_hash=email_hash)
-        ).one_or_none()
+        email_filter = cls.get_filter(
+            email=email, blake2b160=blake2b160, email_hash=email_hash
+        )
+        if email_filter is None:
+            return None
+        return cls.query.filter(email_filter).one_or_none()
 
     @classmethod
-    def get_canonical(
-        cls, email: str, is_blocked: bool | None = None
-    ) -> Query[EmailAddress]:
+    def get_canonical(cls, email: str, is_blocked: bool | None = None) -> Query[Self]:
         """
         Get :class:`EmailAddress` instances matching the canonical representation.
 
diff --git a/funnel/models/geoname.py b/funnel/models/geoname.py
index ba6c6cf36..b77df3ef9 100644
--- a/funnel/models/geoname.py
+++ b/funnel/models/geoname.py
@@ -6,7 +6,7 @@
 from collections.abc import Collection
 from datetime import date
 from decimal import Decimal
-from typing import cast
+from typing import Self, cast
 
 from sqlalchemy.dialects.postgresql import ARRAY
 
@@ -569,7 +569,7 @@ def parse_locations(
         return results
 
     @classmethod
-    def autocomplete(cls, prefix: str, lang: str | None = None) -> Query[GeoName]:
+    def autocomplete(cls, prefix: str, lang: str | None = None) -> Query[Self]:
         """
         Autocomplete a geoname record.
 
diff --git a/funnel/models/notification.py b/funnel/models/notification.py
index 995cf476d..2cfb0d38b 100644
--- a/funnel/models/notification.py
+++ b/funnel/models/notification.py
@@ -91,6 +91,7 @@
     Generic,
     Optional,
     Protocol,
+    Self,
     TypeVar,
     Union,
     cast,
@@ -1160,12 +1161,12 @@ def get_for(cls, user: Account, eventid_b58: str) -> NotificationRecipient | Non
     @classmethod
     def web_notifications_for(
         cls, user: Account, unread_only: bool = False
-    ) -> Query[NotificationRecipient]:
+    ) -> Query[Self]:
         """Return web notifications for a user, optionally returning unread-only."""
-        query = NotificationRecipient.query.join(Notification).filter(
+        query = cls.query.join(Notification).filter(
             Notification.type.in_(notification_web_types),
-            NotificationRecipient.recipient == user,
-            NotificationRecipient.revoked_at.is_(None),
+            cls.recipient == user,
+            cls.revoked_at.is_(None),
         )
         if unread_only:
             query = query.filter(NotificationRecipient.read_at.is_(None))
diff --git a/funnel/models/project.py b/funnel/models/project.py
index 121819b52..58b5ef628 100644
--- a/funnel/models/project.py
+++ b/funnel/models/project.py
@@ -4,6 +4,7 @@
 
 from collections.abc import Sequence
 from datetime import datetime
+from typing import Self
 
 from furl import furl
 from pytz import BaseTzInfo, utc
@@ -770,7 +771,7 @@ def order_by_date(cls) -> sa.Case:
         return clause
 
     @classmethod
-    def all_unsorted(cls) -> Query[Project]:
+    def all_unsorted(cls) -> Query[Self]:
         """Return query of all published projects, without ordering criteria."""
         return (
             cls.query.join(Account, Project.account)
@@ -779,7 +780,7 @@ def all_unsorted(cls) -> Query[Project]:
         )
 
     @classmethod
-    def all(cls) -> Query[Project]:  # noqa: A003
+    def all(cls) -> Query[Self]:  # noqa: A003
         """Return all published projects, ordered by date."""
         return cls.all_unsorted().order_by(cls.order_by_date())
 
diff --git a/funnel/models/proposal.py b/funnel/models/proposal.py
index aecaac54b..82883860c 100644
--- a/funnel/models/proposal.py
+++ b/funnel/models/proposal.py
@@ -4,6 +4,7 @@
 
 from collections.abc import Sequence
 from datetime import datetime as datetime_type
+from typing import Self
 
 from baseframe import __
 from baseframe.filters import preview
@@ -504,7 +505,7 @@ def roles_for(
         return roles
 
     @classmethod
-    def all_public(cls) -> Query[Proposal]:
+    def all_public(cls) -> Query[Self]:
         return cls.query.join(Project).filter(Project.state.PUBLISHED, cls.state.PUBLIC)
 
     @classmethod
diff --git a/funnel/models/session.py b/funnel/models/session.py
index 0c7053e81..7a75be58a 100644
--- a/funnel/models/session.py
+++ b/funnel/models/session.py
@@ -4,7 +4,7 @@
 
 from collections import OrderedDict, defaultdict
 from datetime import datetime, timedelta
-from typing import Any
+from typing import Any, Self
 
 from flask_babel import format_date, get_locale
 from isoweek import Week
@@ -284,7 +284,7 @@ def make_unscheduled(self) -> None:
         self.end_at = None
 
     @classmethod
-    def all_public(cls) -> Query[Session]:
+    def all_public(cls) -> Query[Self]:
         return cls.query.join(Project).filter(Project.state.PUBLISHED, cls.scheduled)
 
 
diff --git a/funnel/models/update.py b/funnel/models/update.py
index d2d31af9e..58fb8ce98 100644
--- a/funnel/models/update.py
+++ b/funnel/models/update.py
@@ -4,6 +4,7 @@
 
 from collections.abc import Sequence
 from datetime import datetime
+from typing import Self
 
 from sqlalchemy.orm import Query as BaseQuery
 
@@ -365,7 +366,7 @@ def roles_for(
         return roles
 
     @classmethod
-    def all_published_public(cls) -> Query[Update]:
+    def all_published_public(cls) -> Query[Self]:
         return cls.query.join(Project).filter(
             Project.state.PUBLISHED, cls.state.PUBLISHED, cls.visibility_state.PUBLIC
         )
diff --git a/tests/unit/models/account_User_test.py b/tests/unit/models/account_User_test.py
index 9a7bf440f..d6e22548c 100644
--- a/tests/unit/models/account_User_test.py
+++ b/tests/unit/models/account_User_test.py
@@ -29,7 +29,7 @@ def test_user(db_session) -> None:
 
 
 def test_user_pickername(user_twoflower, user_rincewind) -> None:
-    """Test to verify pickername contains fullname and optional username."""
+    """Test to verify `pickername` contains fullname and optional username."""
     assert user_twoflower.pickername == "Twoflower"
     assert user_rincewind.pickername == "Rincewind (@rincewind)"