Showing Off Spencer-Discovering Spencer, the Brookfields, Worcester County, Massachusetts and New England: Can the size of the Septic affect the value of a House?

Can the size of the Septic affect the value of a House?

Can the size of the Septic affect the value of a House?


I recently had a buyer client notice that the listing sheet of a house we looked at disclosed that the septic system was for a 3 bedroom house even though the house had 10 rooms and 5 of them had the potential to be bedrooms.  My clients had only 3 people in their family that would occupy the house and they wanted to know why that disclosure should be important to them.


When a septic system has been designed for a 3 bedroom house, the engineer designs the septic to handle the water and waste from the typical size family that occupies a 3 bedroom house.  The listing of a house should document the number of bedrooms based on the septic design.  The other rooms can be used as bedrooms or guest rooms or what ever else you want, but they should not be called bedrooms for listing and appraisal purposes. This can affect the resale value of the house.  There is a small value difference between a 3 and a 4 bedroom house, and very little value difference  between a 4 or 5 bedroom house, however there is quite a difference in value between a 2 and a 3 bedroom house.  Many people think it is the bathroom count that dictates the septic size, but it is actually the bedroom count.

 Pam Crawford

Pam Crawford, ABR,e-PRO®,CRS,CDPE,LMC

Owner, REALTOR®, Managing Partner, MBA, BSBA
RE/MAX Professional Associates


phone/fax (508)-784-0503    



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Comment balloon 2 commentsPam Crawford • July 12 2010 11:19PM


Good post Pam...the difference in septic system prices between a 3 and 4 bedroom is minimal but the cost difference between a 3 bedroom and 5 is HUGE!!...Thanks for sharing

Posted by Jennifer Dulmaine, Seth Campbell Realty Group (Keller Williams Realty) over 8 years ago

I recently had some buyer complain when they found out during the title V that the septic was only 600 gallons I believe.  It passed Title V and was up to code for the 4 bedroom waterfront home, but the buyers are demanding $10,000 more off the price in case the septic goes bad in the future.  Unbelievable! 

Posted by Kathleen Cooper, Sposato Realty Group - Broker Owner (Kathleen Cooper, Sposato Realty Group) over 8 years ago