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Lynnwood, WA Building Setbacks & Zoning: Structure Height Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Maximum building height
35 feet (RN district)
Applies to
detached, attached, stacked RN housing
Max floor area ratio
0.6 (1 unit) to 1.2 (4 units)
Max street-facing entry spacing
40 feet (detached)
Governing code
Lynnwood Municipal Code § 8.30.0320
Prior zone status
Title 21 height limits expired 6/30/2025

Summary

Lynnwood's Residential Neighborhood (RN) zone caps building height at 35 feet for detached, attached and stacked housing alike, under the Building Form standards in the Title 8 Unified Development Code's RN district table, which also sets maximum floor area ratios rising from 0.6 for a single unit to 1.2 for four units.

Building Form – RN Detached Configuration ... Height ... D | Maximum Building Height | 35 ft

View official code

Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 3512, passed May 26, 2026).

Full Breakdown

E set the Building Form standards for the Residential Neighborhood (RN) district, Lynnwood's base residential zone for single-family homes, duplexes, triplexes, fourplexes, cottage housing, townhouses and stacked flats. The Detached Configuration table lists Maximum Building Height at 35 feet, and the Attached Configuration table repeats the identical 35-foot maximum. 2 for four units, so a larger building is only permitted by adding units within the same 35-foot envelope rather than by exceeding it. The Detached Configuration table also caps Maximum Street-Facing Entry Spacing at 40 feet, while the Attached Configuration table instead requires a Minimum Street Facing Entrances count of one entrance for one to two units and two entrances for three to four units.

RN is Lynnwood's implementation of Washington's HB 1110 middle-housing mandate, which required the city to permit up to four units per lot in this zone; the 35-foot cap applies regardless of how many of the four allowed units a project includes. The section was last amended by Ordinance 3492, Sections 3 through 5, in 2025, following adoption by Ordinance 3481, Section 7, in 2025, after the prior Title 21 zoning code, which used different height limits, expired June 30, 2025.

Violations & Fines

A building exceeding the 35-foot height limit in the RN district cannot receive site plan or building permit approval from the City of Lynnwood's Community Development Department, which checks every new construction and addition against the RN Building Form table. A project already under construction that is found to exceed 35 feet faces a stop-work order and must be modified to comply before occupancy is granted.

Frequently Asked Questions

How tall can a house be in Lynnwood's RN zone?
Up to 35 feet. LMC 8.30.0320 sets Maximum Building Height at 35 feet for detached, attached and stacked housing configurations in the Residential Neighborhood (RN) district, Lynnwood's base zone for single-family and middle-housing development.
Can a fourplex be taller than a single-family home in the same RN zone?
No. The 35-foot height cap in LMC 8.30.0320 applies the same way regardless of unit count; adding units up to the allowed four per lot increases the permitted floor area ratio, from 0.6 for one unit to 1.2 for four, but not the height limit.
Did Lynnwood's old zoning code allow taller houses?
That can't be confirmed from current law. Title 21 Zoning, which set the prior height limits, expired June 30, 2025, and its provisions no longer apply; only the Title 8 Unified Development Code's 35-foot RN limit governs today.

Sources & Official References

Other rules in Lynnwood

All Lynnwood rules

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