RTh4 Zoning in Port Coquitlam - Residential Townhouse 4
RTh4: Residential Townhouse 4 is a residential zoning district in the City of Port Coquitlam. To accommodate and regulate ground-oriented attached dwellings with an intensive form.
On a typical RTh4-zoned lot you can expect a maximum height of 10.5 m and site coverage up to 45%. Exact figures vary with lot size, frontage, and form of development, so look up your specific address to confirm.
Density is set by lot area rather than by a unit maximum: one dwelling unit per 170 m2 of lot area.
Intent of the RTh4 district
To accommodate and regulate ground-oriented attached dwellings with an intensive form.
RTh4 at a glance
| Max height | 10.5 m |
|---|---|
| Site coverage | 45% |
| Zone category | Residential |
Density tiers in RTh4
| Tier | Min lot area | Max units | Base FSR | Bonus FSR | Max height |
|---|---|---|---|---|---|
| Residential Townhouse 4 | 1000 m² | - | - | - | 10.5 m |
Permitted uses in RTh4
- Townhouse
- Boarding (two boarders per dwelling unit)
- Parks and playgrounds
RTh4 zoning FAQ
What is RTh4 zoning in Port Coquitlam?
RTh4 (Residential Townhouse 4) is a residential zoning district in the City of Port Coquitlam. To accommodate and regulate ground-oriented attached dwellings with an intensive form.
What can you build on RTh4-zoned land in Port Coquitlam?
Permitted uses in RTh4 include Townhouse, Boarding (two boarders per dwelling unit), Parks and playgrounds. Permitted uses are allowed outright; conditional uses may require Development Permit Board approval.
How tall can a building be in RTh4?
RTh4 permits a maximum building height of 10.5 m. Height can be affected by view corridors, setbacks, and the specific form of development.
How many units are allowed in RTh4 zoning?
RTh4 sets density as a rate rather than a fixed number of units per lot: density is set by lot area rather than by a unit maximum: one dwelling unit per 170 m2 of lot area. Look up your specific address for what that works out to on your lot.
Other residential zones in Port Coquitlam
- RA1 - Residential Apartment 1
- RA2 - Residential Apartment 2
- RRh - Residential Rowhouse
- RS1 - Residential Small-Scale 1
- RS2 - Residential Small-Scale 2
- RS3 - Residential Small-Scale 3
- RS4 - Residential Small-Scale 4
- RTh1 - Residential Townhouse 1
Look up a specific address in Port Coquitlam
Source: official Port Coquitlam zoning bylaw (PDF) · updated October 2026