Welcome to
Mastiffs.org
The perfect site to locate responsible Mastiff breeders.
Our goal is to advertise websites of reputable breeders.
Mastiffs.org can not endorse breeders listed on this website.  We do not support puppy mills.
We reserve the right to decline any listing.
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Site owned & maintained by J. Lanz
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Breeders that health test their breeding dogs (minimum of hips, elbows and heart).  

Breeders that are current members in good standing with the
Mastiff Club of America.  

Breeders that require cystinuria testing on all stud dogs before any breeding and only breed dogs/to dogs with negative results from every test.  

**The absence of stars next to a kennel name does not mean there is no testing / club affiliation and should be verified with each breeder**

**This site is not responsible for, nor can if verify the results, accuracy or extent of the testing and should be verified with each breeder**
** Breeders, if you are a MCOA member and/or test all breeding dogs for hips/elbows and/or require cystinuria testing on stud dogs before breeding and would like stars placed next
to your name, please send an email to
timber@pacific.net with your request for a purple, blue and/or yellow stars.  Thank you.  It may take up to one week to publish your request. **
Please help us by reporting innacurate information or broken links here.  Thank you!
GOLDLEAF MASTIFFS, CA    Jann Lanz
www.goldleafmastiffs.com
EPIPHANY MASTIFFS, VA  Tracy & Candace Thore
www.epiphanymastiffs.com
LAURA WATSON, CA
www.topmastiff.com
LANDONDALE MASTIFFS, OK   Judi & Doug Mott
www.landondale.com
HERITAGE HEARTH MASTIFFS, CA    Sarah Child
www.heritagehearthmastiffs.com
  LACELLE'S MASTIFFS, Canada
www.lacellemastiffs.com
NACIMIENTO MASTIFFS, CA     Loren & Cynthia Boe
http://nacimientomastiffs.com
LAZY D MASTIFFS, MS    Nancy Walker
www.lazydmastiffs.com
  KINGMONT MASTIFFS, CA   Nanci Manceau
www.kingmontmastiffs.com
  SUNSTONE MASTIFFS, CA    Barrie Gregory
www.sunstonemastiffs.com
COMSTOCK MASTIFFS, CA    Ron & Caroline Tobin
www.comstockmastiffs.net
  MOUNTAIN PEAK MASTIFFS, CO    Ruthann Snyder
www.mountainpeakmastiffs.com
MASTIFFS OF RYDALMOUNT, OH    Gloria & Chuck Cuthbert
www.rydalmountmastiffs.net
  MILLBROOK MASTIFFS, MA
www.millbrookmastiffs.com
MTN OAKS RANCH MASTIFFS, CA    Andie Williams
www.mtnoaks.com
  GUARDIAN MASTIFFS, OK
www.guardianmastiffs.tripod.com
BASKERVILLE MASTIFFS, Canada   Harrie & Bill Fulop
www.baskerville-gentlegiant.com
DUNRAVEN MASTIFFS, PA    William & Maria Ruoto
www.dunravenmastiffs.net
RAINY DAYS MASTIFFS, WA    Anita Sanders
www.rainydaysmastiffs.com
  SILVER LINING MASTIFFS, CO    Maureen McGuire  
www.silverliningmastiffs.com
  GRANDCOEUR MASTIFFS, Australia    Lianne & Ian Le Nepveu
www.grandcoeurmastiffs.wordpress.com
  MIDWEST MASTIFFS, MO    John Richardson
www.midwestmastiffs.com
MOUNTAINVIEW MASTIFFS, WA     Cheryl Compton
www.mountainviewmastiffs.com
STONEHAVEN MASTIFFS, OR    Laura Olsen
www.stonehavenmastiff.com
  FANTASY MASTIFFS, PA    David & Melody Fuller
www.fantasymastiff.com
  ERIESIDE MASTIFFS, OH   Claudia Salinger
www.salinger.net
SKAMANIA MASTIFFS, WA     Dave & Tami Kuhn
www.mastiff.cc
  BRULLEMAIL MASTIFFS, France   Bernard Le Courtois
www.brullemail.com
  DARKSIDE MASTIFFS, NY
www.mastiffbigdog.com/darkside
  NOBLEHAVEN MASTIFFS, MD     Cherry Flaherty
www.noblehavenmastiffs.com
GATEHOUSE MASTIFFS, PA    Carrie Klaiber
www.gatehousemastiffs.com
MOUNTAINVIEW MASTIFFS, CT     Joanne Viera
www.mountainviewmastiffs.net
  NEW BEGINNINGS MASTIFFS, AZ
www.caninerehab.com/newbeginnings
  SMOK 'N LAD MASTIFFS, AZ     Marianne Jackson
www.smoknlad.com
BRIMSTONE MASTIFFS, NC
www.brimstonek9.com
VAN D MASTIFFS, CO     Shannon Van Duren
www.vandmastiffs.com
  IMAGINE MASTIFFS, TX         
www.imaginemastiffs.com
  SOUTHLAND MASTIFFS, NC     Kim Cooley
www.southlandmastiffs.com
  BANYON MASTIFFS, MI    Kristin Zellen
www.banyonmastiffs.com
MARSTENMOOR MASTIFFS, AUSTRALIA
www.marstenmoor.com          Paul & Gabrielle Simmonds
  HONOR WAY MASTIFFS, FL   Panala Kinzie
www.honorwaymastiffs.com
  GRYARVOLD MASTIFFS, TX & LA     Lori Jenkins
www.gryarvoldmastiffs.com/default.aspx
PANTHEON ACRES, IL    Erika Wepner
www.pantheonacres.com
EXIMIUS MASTIFFS, CO     Wendy Lofgren
www.eximiusmastiffs.com
  ST. PATRICK'S MASTIFFS, WI
www.stpatricksmastiffs.com
GOLDRUSH MASTIFFS, CA     Stephanie Sharp
www.goldrushmastiffs.com
  LIZARDS MASTIFFS, MN
www.lizardsmastiffs.com
  EVER AFTER MASTIFFS, TX     Giselle Nevada
www.everaftermastiffs.com
WINDFALL MASTIFFS, OH    Chuck & Jan McNamee
www.windfallmastiffs.com
  SPRING HOLLOW MASTIFFS, OH     Mary Adele Horner
www.springhollowmastiffs.com
DEVINCOURT MASTIFFS, OH    Tina Clement
www.devincourtmastiffs.com
  MONASTIC MASTIFFS, AL     Dolly Moore
http://www.monasticmastiffs.com
  SYLVAN MASTIFFS, TN         Diane Green
www.sylvanmastiffs.com
  THOUSAND OAKS MASTIFFS, TX      Courtney Dieckman
http://austinfromtexas.com/thousandoaksmastiffs/
CEDARHOLLOW MASTIFFS, OR
www.cedarhollowmastiffs.com
  QALETAQA MASTIFFS, OH      Danielle Browning
www.mastiffhaven.com
DESTINY MASTIFFS, IN      Courtney Hatch Thompson
www.destinymastiff.com
IMPRESSIVE MASTIFFS, MO      Maggi Ahrens
www.impressivemastiffs.com
  MADIGAN MASTIFFS, PA    Bernardette & James Madigan
www.madiganmastiffs.com
  DANDYLION MASTIFFS, IL      Debbie Linzy
www.dandylionmastiffs.addr.com
REDBARN MASTIFFS, OH     Brian and Mary Ham
www.redbarnmastiffs.com
  LAMARS MASTIFFS, CA      Margo & Eric Lauritsen
www.lamarsmastiffs.com
  ISLAND WEST MASTIFFS, Canada      Sharon Medforth
www.englishmastiff.com
HIGHLANDER MASTIFFS, UT  Stephanie & Allen Howells
www.highlandermastiffs.com
  OLD SCHOOL MASTIFFS, VA      Jess Bahlman
www.oldschoolmastiffs.com
  SILVERCREST MASTIFFS, OR        Karen Robison
www.silvercrestmastiffs.com
BANDA MASTIFFS, Canada      Bev Molloy
www.bandamastiffs.ca
MEADOWFARMS MASTIFFS, NC   Tami Sholes     
www.meadowfarmmastiffs.com
FALLING LEAF MASTIFFS, NC     Karen Sirignano
www.fallingleafmastiffs.com
  ABIELLO MASTIFFS, Canada   Annie Thériault     
www.abelliomastiffs.com
RANCHLAND MASTIFFS, FL    Tracy Eberhardt
www.ranchlandsmastiffs.com
BEAR CREEK MASTIFFS, PA  Donna Imbierowiczi
http://bearcreekmastiffs.tripod.com/
DIVINE MASTIFFS, CO      Mary DeLisa
www.divinemastiffs.com
SANDRAGON MASTIFFS, FL  Lorie Sandlin
www.sandragonmastiff.com
MACHREE MASTIFFS, OH      Martha Hartley
www.machreemastiffs.com
STARGAZER MASTIFFS, OH  Teresa Emerson
www.stargazermastiffs.com
BLACK MAGIC MASTIFFS, OH     Molly McCarter
www.blackmagicmastiffs.com
  KAIGAN MASTIFFS, VA  Laurel Ziviello
www.kaiganmastiffs.com
BLACKMOORE MASTIFFS, NY      Dave Springer
www.blackmooremastiffs.com
OAKLANE & POLARIS MASTIFFS, NC & FL     Vicki Hix
www.oaklane-polaris.com
MILLRIDGE MASTIFFS, PA    Kathy Jayne
www.millridgemastiffs.com
LAUREL MASTIFFS, NY    Laura Lautner
http://caninecapers.us/laurelMastiffs.html
GRYPHON MASTIFFS, MO   Amanda Griffin
www.gryphonmastiffs.com
MOUNTAIN TIME MASTIFFS, ID  Dustin & Porsche Sessions
www.mtntimemastiffs.com
KHARISMA MASTIFFS, IL     Karen Pettry
www.kharismamastiffs.com
  MIRAMONT MASTIFFS, PA
www.miramontmastiffs.com
  GLACIER MASTIFFS, NV     CeCe Wardell
www.glaciermastiffs.com
GEM OF JERSEY MASTIFFS, NH     Roberta Pavoll
www.gemofjerseymastiffs.com
  LINFERT MASTIFFS, OH     Don and Marti Linfert
www.linfertsmastiffs.com
SELENE MASTIFFS, WA        Jean Rakestraw
www.selenemastiffs.com