Exhibit (a)(6)



July 27, 2007

TO:         UNIT HOLDERS OF SECURED INCOME, LP

SUBJECT:    EXTENDED OFFER TO PURCHASE UNITS

Dear Unit Holder:

We are extending the Offer to Purchase and related  Letters of Transmittal  sent
to you on June 1, 2007, as amended July 6, 2007 (the "Offer"), which was made by
the Purchasers  identified in the Offer. The Purchasers are offering to purchase
up to 196,873.8 Units of limited  partnership  interest (the "Units") in SECURED
INCOME, LP (the "Partnership") at the increased Offer Price of:

                                 $9.00 per Unit

The Offer will provide you with an  opportunity  to liquidate  all, or a portion
of, your investment in SECURED INCOME,  LP without the usual  transaction  costs
associated with market sales or partnership  transfer fees. Reasons you may wish
to sell your Units include:

      o     The general  partner has been trying to market the  property  for at
            least 20 months and has yet to complete the sale. We do not know why
            sellers keep backing out of the  purchase.  No buyer has stepped up,
            making it  increasingly  likely the  Partnership  will not liquidate
            this year.

      o     If you sell your Units to us, you will  receive the entire $9.00 per
            Unit,  less  any  distributions  (and  none  is  expected).  Limited
            partners who were not residents of New York had approximately $4 per
            Unit of the recent  distribution  withheld for New York state taxes.
            If and when the Fieldpoint  property sells,  the Partnership will be
            required to withhold taxes from non-residents of Maryland,  reducing
            the net amount of any potential  distribution.  Thus,  selling to us
            eliminates  the need for you to file a Maryland  tax return for 2007
            if the sole  reason you would is because of your  investment  in the
            Partnership.

      o     The relative  illiquidity of the Units resulting from the absence of
            a formal trading market makes the Units difficult to sell.

      o     If you sell your  Units to us this  year,  the 2007 tax year will be
            the final year for which you will be obligated to file a K-1 for the
            Partnership  with your tax  return  and for which you incur fees for
            having this investment in your IRA or retirement  account.  Further,
            if the  Partnership  does  not  terminate  this  year,  you may have
            further adverse tax consequences that can be avoided by selling your
            Units,  but you  should  consult  your tax  advisor  regarding  such
            consequences.

      o     Unit  holders  holding  7,027 Units have  already  tendered to date.
            Obviously, many sellers have realized that our Offer is attractive.

After  carefully  reading the enclosed Offer, if you elect to tender your Units,
mail (using the  enclosed  pre-addressed,  postage  paid  envelope) or fax (then
mail) a duly completed and executed copy of the Letter of  Transmittal  (printed
on purple paper) and change of address forms, your certificate (this is REQUIRED
FOR TRANSFER), and any other documents required by the Letter of Transmittal, to
the Depositary for the Offer at:

                         MacKenzie Patterson Fuller, LP
                               1640 School Street
                            Moraga, California 94556
                            Facsimile: (925) 631-9119

If you have any  questions or need  assistance,  please call the  Depositary  at
800-854-8357.  If you have already  tendered your Units, you do NOT need to send
in another  Letter of  Transmittal;  you will  automatically  receive the higher
price.

This Offer now expires (unless extended) August 17, 2007.