| Cover | Dec. 11, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 11, 2023 |
| Entity File Number | 001-39266 |
| Entity Registrant Name | Harbor Custom Development, Inc. |
| Entity Central Index Key | 0001784567 |
| Entity Tax Identification Number | 46-4827436 |
| Entity Incorporation, State or Country Code | WA |
| Entity Address, Address Line One | 1201 Pacific Avenue |
| Entity Address, Address Line Two | Suite 1200 |
| Entity Address, City or Town | Tacoma |
| Entity Address, State or Province | WA |
| Entity Address, Postal Zip Code | 98402 |
| City Area Code | (253) |
| Local Phone Number | 649-0636 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Common Stock [Member] | |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | HCDI |
| Security Exchange Name | NASDAQ |
| 8% Series A Cumulative Convertible Preferred Stock | |
| Title of 12(b) Security | 8% Series A Cumulative Convertible Preferred Stock |
| Trading Symbol | HCDIP |
| Security Exchange Name | NASDAQ |
| Warrants | |
| Title of 12(b) Security | Warrants |
| Trading Symbol | HCDIW |
| Security Exchange Name | NASDAQ |
| Warrants One [Member] | |
| Title of 12(b) Security | Warrants |
| Trading Symbol | HCDIZ |
| Security Exchange Name | NASDAQ |
