285 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Michael Costlow Missing Person Case

Last seen in Phoenix, Arizona on Aug 01, 1981

Victim Details

Created

Dec 30, 2010

Case Added

Mar 25, 2024

Firstname

Michael

Lastname

Costlow

Current Age

Age At Disappearance

Height

70 inches

Height To

73 inches

Weight

170 lbs

Weight To

190 lbs

Ethnicity

White / Caucasian

Gender

Male

Last Seen

Aug 01, 1981

City

Phoenix

State

Arizona

County

Maricopa County

Zip Code

85004

Agency ID

9477

Agency Name

Phoenix Police Department

Agency City

Phoenix

Agency State

Arizona

Agency County

Maricopa County

Agency Zip Code

85004

Agency Contact

Jared D'Addabbo

Contact Job Title

Detective

Agency Address

2120 North Central Avenue, Arizona

Agency Phone

6022626151

Agency Jurisdiction

Local

Agency Type

Law Enforcement

Agency Case #

1981-81099967

Agency Report Date

1981-09-10

Primary Agency

Phoenix Police Department

Hair Color

Brown

Left Eye Color

Blue

Right Eye Color

Blue

Solved

Last Updated

09/01/2026

Area Last Seen:

Case Description

Any updates on this case? Let us know!

In the summer of 1981, 32-year-old Michael Willis Costlow was living in Phoenix, Arizona. He was last seen at his residence at 1445 1/2 East Garfield Street in August of that year. Details about his life, his occupation, and his relationships remain scarce, leaving a void in the narrative of his story. His disappearance is a long-standing mystery, marked by a few unsettling clues and decades of unanswered questions. Michael was a white male with light brown hair and blue eyes and wore prescripti ...

MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Michael Costlow, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month

Cancel anytime.
Already a member? Log in

Last Seen: Aug 01, 1981

Links to Additional Sources (4)

See any mistakes? Let us know!

Missing Person / NamUs

Michael Costlow | International Missing Persons Wiki - Fandom

MEMBER ACCESS

Unlock 2 additional sources

View the complete collection of available reporting and reference links for this case.

View All Case Sources — $3.97/month

Cancel anytime.
Already a member? Log in

Michael Costlow Missing Person Case

Last seen in Phoenix, Arizona on Aug 01, 1981

Victim Details

Case Description

Continue reading the complete case summary

Links to Additional Sources (4)

Unlock 2 additional sources

Latest News

I might have to get into an argument with someone

American woman allegedly smuggled drugs for free trip to Japan

Lindsay Clancy on 24/7 suicide watch after mistrial, lawyer says: ‘I worry about her every day’

The Disappearance of Aubrina Mack

LINDSAY CLANCY JUROR: “MAYBE I STILL BELIEVE SHE’S GUILTY”

This is extremely frustrating. I have everything but the basics.

Lindsay Clancy Mistrial: Reddington Weighs In | Case by Case | "48 Hours" Podcast

Baby dies in hot car after dad leaves him to work on Conn. strawberry farm: ‘Oh my god he’s dead’

The Disappearance of Gregory Smith

Another minor headache: sources that contradict each other and say things that couldn’t possibly be true

Forum Posts (1)

Join the discussion for Michael Costlow

Other Missing Cases from Phoenix, Arizona