John Costello, Certified General Appraiser in Marshfield, MA

Profile generated from public records (ASC.gov).

UnverifiedActive license • MA #76193

About John Costello

Based in Marshfield, Massachusetts, John Costello holds MA license #76193 as a Certified General Real Property Appraiser. The license was issued in February 2026. Under the Certified General classification, John can perform appraisals of all types of real property — residential, commercial, industrial, and agricultural — without regard to transaction value or complexity. Service coverage is focused on Marshfield and the surrounding Plymouth area. The current license renewal is active through October 2028.

Quick facts

License status
ACTIVE
Date issued
2/3/2026
Date expired
10/12/2028
Credential
Certified General
Specialties
Not provided yet
Company
Not provided yet

Frequently asked

Is John Costello a licensed real estate appraiser in Massachusetts?

Yes. John Costello holds Massachusetts license #76193 with status ACTIVE. The credential is Certified General, first issued in 2026.

What properties can John appraise?

As a Certified General appraiser, John is authorized to perform appraisals of all types of real property — residential, commercial, industrial, and agricultural — without regard to transaction value or complexity (per federal AQB criteria; individual states may set higher bars).

Where does John work?

Service coverage is focused on Marshfield and the Plymouth area in Massachusetts. Nearby appraisers are also listed on this page if the specific coverage area doesn't match.

Service area

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