Residential drafting in Surprise, Arizona

A large part of Surprise's established housing stock was built from the late 1990s through the 2000s. Sun City Grand and Arizona Traditions account for thousands of mostly single story homes from that period, with stucco exteriors, tile roofs, attached garages, and slab construction. Later communities such as Marley Park added more two story plans and, in some sections, alley loaded garages.

The lot pattern changes with the neighborhood. Sun City Grand is relatively compact for a community of detached houses, while larger Arizona Traditions models may add a third garage bay, a pool, or a golf course orientation. Marley Park changes the geometry again where garages are reached from the rear. On the smaller lots, a pool, covered patio, equipment area, and access path can leave much less usable rear yard than the parcel dimensions first suggest.

Surprise also has an unusually good record of original production floor plans. Many Sun City Grand and Arizona Traditions models can still be identified from builder plan archives, although later owner changes will not appear there. For additions and larger remodels, we still verify the existing structure in the field, especially roof framing and post-tension slab conditions before any new work is tied into the house.

Surprise rules

ADU standards

Setback, size, and parking rules for an accessory dwelling unit in Surprise.

Maximum sizeThe lesser of 75% of the existing dwelling's gross floor area or 1,000 sq ft (106-11.3.A.2)
Side and rear setback5 ft rear and 5 ft side (106-11.4.A.3)
Front setbackThe same minimum permitted for the single family dwelling on the lot (106-11.4.A.3.c)
HeightThe same restriction as the single family dwelling (106-11.4.A.5)
How manyOne attached and one detached under an acre. On an acre or more with at least one restricted affordable unit, one attached and two detached (106-11.3.A.1)
Rented separatelyNot specified
ParkingNo additional space or in lieu fee may be required (106-11.4.A.6)
Lot coverageThe same regulation as the single family dwelling (106-11.4.A.4)
UtilitiesAdequate public utility service required; no encroachment into a utility easement without written consent (106-11.3.A, 106-11.4.B)

Surprise puts its review process on a clock: the city must determine administrative completeness within 30 days and review a resubmission within 15 (106-11.5), with no hearing, variance, or use permit for qualifying applications.

A restricted affordable unit carries a deed restriction of at least 30 years with annual compliance reporting due each January 30 (106-11.7), the longest affordability term in the metro.

Planning office: Surprise Community Development

Sources: Surprise Municipal Code Chapter 106, Article XI. Ordinance 2024-43, adopted December 2024. A.R.S. 9-461.18. Last checked August 2026.