01
Discover
Understand the place, then find the parcel.
Start in Area Profiles for market, rule, and permit context, or open Search when you already have an address or parcel in mind.
Parcel intelligence for Whatcom County
Know what the land can actually do.
PlatNum turns parcel rules, site geometry, market inputs, and development economics into a clear answer—before you spend weeks underwriting the wrong deal.
No card required Whatcom County at launch Visible assumptions
Leading conceptDemolish + Subdivide — Sell Lots
2 lots · No new building
- Modeled profit
- $203K
- Margin
- 221.6%
Captured site planDemolish + Subdivide — Sell Lots
Computed geometry~115Kcounty parcels in the screening universe
One workflowfrom zoning rules to maximum land bid
Visible mathso every recommendation can be challenged
From parcel to decision
A faster first pass. A more rigorous second look.
PlatNum brings site feasibility and deal economics together, then keeps the supporting evidence close enough to inspect.
- 01
Find the parcel
Search an address, click the map, or start from county-wide candidates and active listings.
- 02
Test what fits
Resolve zoning, setbacks, critical areas, parking, open space, and buildable geometry.
- 03
Compare the returns
Rank feasible development concepts with visible costs, returns, and a maximum land bid.
- 04
Move the deal forward
Save the parcel, tune assumptions, share a screening report, and track the opportunity.
One connected workspace
See the opportunity, test the concept, and carry the deal forward.
02
Opportunities
Start with inventory worth a closer look.
Review Recommended deals, active For Sale listings, and eligible Unlisted opportunities according to your plan.
03
Analyze
Turn parcel rules into buildable concepts.
See the site envelope, compare viable programs, and stress-test costs, rents, financing, exits, and land residual with the evidence in view.
04
Manage
Keep good opportunities from disappearing into tabs.
Use Portfolio for properties you own and Pipeline for deals you are actively pursuing, with assumptions and reports carried forward.
Sample analysis · economics
Every dollar between the purchase and the finished value, named.
Demolish + Subdivide — Sell Lots · 2 lots · $92k development cost against $294k of finished value, a 221.6% margin.
- Acquisition
- $71k
- Hard costs
- $0k
- Soft, fees, carry
- $20k
- Overhead
- $1k
- Gross profit
- $203k
Rule evidence in this sample
The captured townhouse comparison requires 0 automobile parking spaces under Bellingham Ordinance 2025-11-030. Its 1.5-space base rule is overridden in this analysis, not an additional requirement. This is dated sample evidence, not a statement of current law.
- Front setback: 15 ftBMC 20.32.040
- Side setback: 5 ftBMC 20.32.040
- Rear setback: 15 ftBMC 20.32.040
- Height max: 45 ft, 4 storiesBMC 20.32.040
- Lot coverage max: 50%BMC 20.32.040
- Open Space RequirementBMC 20.32.040
- Min lot size: 5,000 sfBMC 20.32.040
- Residential Density RangeBMC 20.00.110; BMC 20.32.040
- Adu: allowedBMC 20.10.036
- ADU limits: 2 ADUs, 1,000 sf max, 24 ft detached heightBMC 20.10.036
- Parking: 1.5 per unit (multifamily) — base rule, overridden in this sampleBMC 20.12
- ADU limits: 10/5/0 ft detached front/side/rear setbacksBMC 20.10.036(B)(7); Ordinance 2025-12-035
- ADU limits: 6 ft detached existing-building separation screenBLD2024-0755 and BLD2026-0030 approved plans; BMC 20.10.036(B)(13)
- Parking: 0 per unit (adu)Bellingham Ordinance 2025-12-35
- Parking: 0 per unit (single_family)Bellingham Ordinance 2025-11-030
- Parking: 0 per unit (multifamily) — effective in this sampleBellingham Ordinance 2025-11-030
- Parking: 0 per 1000_sqft (retail)Bellingham Ordinance 2025-11-030
- Parking: 0 per 1000_sqft (industrial)Bellingham Ordinance 2025-11-030
- Parking: 0 per 1000_sqft (institutional)Bellingham Ordinance 2025-11-030
- Fire Access WidthBMC 17.20.030
- Fire Access WidthBMC 17.20.030
- Private Access Service LimitBMC 23.08.060
- Internal Street StandardBMC 23.08.070; City Standard Plans ST-120 and ST-160
- Plat Infrastructure CostBellingham V1 plat infrastructure screening assumption
- Plat Infrastructure CostBellingham V1 plat infrastructure screening assumption
- Plat Infrastructure CostBellingham V1 plat infrastructure screening assumption
- Fire Access GradeBMC 17.20.030, IFC 503.2.7 and 503.2.7.1
- Dead End TurnaroundBMC 17.20.030
- Turnaround GeometryBMC 17.20.030
- Turnaround GeometryCity Standard Plan ST-160
The recommendation is the start of the conversation, not a black box. How the analysis works
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Search and analyze properties listed for sale across Whatcom County, with 20 reports each month.
- Detailed Whatcom County rates, rents, and permit evidence
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- 20 reports / calendar month
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$499per month
Screen every parcel in Whatcom County—including off-market opportunities—with 50 reports each month.
- Detailed Whatcom County rates, rents, and permit evidence
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