Cal. Rev. & Tax. Code § 10788

(a) With respect to mobilehomes or trailer coaches subject to the provisions of this part, which are owned by, and which constitute the principal place of residence of, a disabled veteran who is blind in both eyes, has lost the use of two or more limbs, or is totally disabled as a result of injury or disease incurred in military service or the unmarried surviving spouse of such a veteran:
1. (1) The first twenty thousand dollars ($20,000) of the market value of the mobilehome or trailer coach shall be exempt from the license fee imposed by this part, or
2. (2) In the case of a disabled veteran or the unmarried surviving spouse whose household income, as defined in Section 20504, does not exceed the amounts specified in Section 20585, the first thirty thousand dollars ($30,000) of the market value of the mobilehome or trailer coach, shall be exempt from the license fee imposed by this part.
(b) For purposes of this section, “veteran” is defined as specified in subdivision (o) of Section 3 of Article XIII of the Constitution.
(c) No veteran shall be eligible for this exemption unless he or she was a resident of California at the time of his or her entry into military or naval service, or unless he or she was a resident of the state on November 7, 1972, if he or she is blind or has lost the use of two or more limbs, or on January 1, 1975, if he or she was totally disabled.
(d) As used in this section “mobile home” and “trailer coach” which are owned by the veteran includes:
1. (1) Property owned by the veteran with the veteran’s spouse as a joint tenancy, tenancy in common or as community property;
2. (2) Property owned by the veteran or the veteran’s spouse as separate property;
3. (3) Property owned with one or more other persons to the extent of the interest owned by the veteran, the veteran’s spouse, or both the veteran and the veteran’s spouse;
4. (4) Property owned by the veteran’s unmarried surviving spouse with one or more other persons to the extent of the interest owned by the veteran’s unmarried surviving spouse.
(e) For purposes of this section, “blind in both eyes” means having a visual acuity of 5/200 or less; “losing the use of a limb” means that the limb has been amputated or its use has been lost by reason of ankylosis, progressive muscular dystrophies, or paralysis; and “totally disabled” means that the United States Veterans Administration or the military service from which such veteran was discharged has rated the disability at 100 percent or has rated the disability compensation at 100 percent by reason of being unable to secure or follow a substantially gainful occupation.