A land buyer in Deschutes County has his site plan. He’s done his research. He calls the county to ask what he needs to submit a building permit application, and the county sends him a checklist. He prints it. He checks off every item. He does not see anything on that list about an Oregon Scenic Waterway Notice of Intent. He does not know that filing must be submitted 45 to 365 days before construction begins. He does not know it exists. He will find out in a few weeks when the county tells him his application cannot move forward. His construction timeline just moved by up to a year before a single permit has entered review. That is not an edge case. It is a routine outcome for buyers who are prepared by reasonable standards and unprepared by actual standards. The permit process in the Pacific Northwest is more involved than most land buyers expect, and the gap between what seems required and what is actually required is where construction timelines collapse. Why the Permit Process Is More Complicated Than You Expect Applying for a residential building permit in Oregon, Washington, or Idaho requires multiple separate permits: a building permit, plumbing, electrical, mechanical, and often a septic or sewer permit administered by a separate department. Each jurisdiction runs its own process and enforces its own requirements. Timeline from first application to permit in hand typically runs three to six months for new residential construction. Total permit fees commonly range from $5,000 to $20,000 depending on the jurisdiction and project scope. There is no single authority. A residential build in Oregon, Washington, or Idaho will typically require a main building permit, a plumbing permit, an electrical permit, a mechanical permit, and often a septic or sewer permit from a department that is separate from the building department. Each permit has its own application, its own fee, and its own review cycle. And each jurisdiction, whether it is Deschutes County, Lane County, Jackson County, or a city within any of those, administers all of it under its own rules. What is required in one county may not be required in the next, and what the county requires for a 1,200-square-foot home may not be the same as what it requires for a 2,400-square-foot home on sloped ground. What You Actually Need to Submit Before you submit anything, you need a site plan that shows the property boundaries, the proposed building footprint, setbacks from all property lines, driveway access, and utility connections. You will also need construction plans, which may or may not require a licensed engineer’s stamp depending on the jurisdiction, the lot, and the building design. A plans examiner at the county will review everything you submit and compare it against local building codes, zoning requirements, and any overlay zones that apply to the property. That review is where most first-time applicants get their first correction letter. The Requirements That Don’t Appear on the County Checklist Residential permit requirements in Oregon include a category of pre-application obligations that do not appear on standard county checklists and are not covered in most permitting guides. These non-obvious requirements account for a significant share of construction delays on rural and waterway-adjacent lots. In Deschutes County, properties within the Oregon Scenic Waterway corridor require a Notice of Intent to be filed 45 to 365 days before construction begins. This waiting period runs before the building permit application even enters review. A buyer who does not know about this requirement before selecting a site will discover it after, and the construction window will already be closed. Based on SiteFacts analysis of properties in Deschutes County, OR. Two other requirements in Deschutes County that do not surface on standard checklists: a solar setback applies to every new structure per DCC 18.116.180, so a design that passes all standard property line setbacks can still fail plan review because the solar setback was not demonstrated. And in high wildfire hazard zones, any driveway longer than 150 feet triggers specific fire access design requirements, including turn-outs, turn-arounds, and width standards, that must appear on the submitted site plan. Based on SiteFacts analysis of properties in Deschutes County, OR. If you are planning to build and your property sits near water, in a high wildfire zone, or on sloped terrain, the permit process has requirements that the county checklist will not hand you. The variation does not stop at Deschutes County. In Lane County, F2 (Impacted Forest) zones require a Type I or Type II planning review before any building permit is issued on a replacement dwelling, even when a structure previously stood on the property. And if that replacement dwelling exceeds 1,742 square feet or 110% of the original structure’s size, the review becomes a Type II with public notice. Neighbors can comment. Neighbors can appeal. Based on SiteFacts analysis of properties in Lane County, OR. In Jackson County, the combination of sloped terrain, high liquefaction hazard, very high landslide hazard, and expansive soils requires a geotechnical study before the building permit application is accepted. That study takes time and costs money, and it must come first. Site-specific hazard classifications for Jackson County properties can be confirmed using the Oregon HazVu statewide geohazards viewer. Based on SiteFacts analysis of properties in Jackson County, OR. How Long the Permit Process Actually Takes The timeline for new residential construction in most Pacific Northwest jurisdictions is three to six months from first application to permit in hand. That range assumes complete applications and no correction letters. An incomplete application typically loses its place in the review queue. A correction letter adds two to six weeks per round, and most first-time applicants receive at least one. Complex sites with overlay zones, geohazards, or pre-application requirements can push timelines well beyond six months before a shovel touches the ground. What Permits Cost in the Pacific Northwest Permit fees across Oregon, Washington, and Idaho commonly run between $5,000 and $20,000 for new residential construction.

A shocking case study reveals how hidden infrastructure costs nearly destroyed one family’s dream home project The Perfect Property With a $100K Secret Hidden costs when buying land can transform a dream property into a financial nightmare. Sarah and Mike discovered this reality when a seemingly perfect 3.5-acre lot in Eastern Washington came with a shocking surprise: $100,000+ in hidden land development costs. After two years of searching for the ideal spot to build their retirement home, they found what appeared to be the perfect property. The listing checked every box: within city limits, reasonable slope, beautiful farming community setting, and those magic words every land buyer wants to see: “city water and sewer nearby.” But as their due diligence process would reveal, “nearby” and “available” carry dramatically different price tags in land development. When Property Listings Hide Infrastructure Reality Twenty years of conducting site facts reviews has taught me that real estate listings are marketing documents first, technical specifications second. The phrase “city sewer nearby” triggered immediate red flags during my property investigation. Here’s what most land buyers don’t realize: utilities nearby doesn’t guarantee affordable connection. In fact, this seemingly positive feature can indicate expensive infrastructure requirements that sellers prefer not to highlight. Sarah called me the same afternoon she discovered the property, barely containing her excitement. “This is exactly what we’ve been looking for. Can you do a quick review so we can make an offer tomorrow?” I could hear the joy in her voice, but experience had taught me to dig deeper into municipal infrastructure requirements before any land purchase moves forward. The Land Due Diligence Process That Saves Dreams Proper due diligence for land purchases requires systematic investigation beyond basic property records. Here’s the process that uncovered Sarah’s hidden costs: Municipal Records Deep Dive This small Eastern Washington farming town, like many rural communities, hadn’t invested in comprehensive GIS mapping for utilities. Their system showed basic zoning and parcels, but infrastructure details remained buried in departmental files. The property had recently been created through a minor partition – splitting a larger farm into just two lots. This process often bypasses the extensive infrastructure reviews required for major subdivisions, creating potential gaps in utility planning. Critical Area and Environmental Assessment My standard site facts review covered all environmental factors: Everything pointed to an ideal building lot – except for the utility infrastructure gap. Direct Municipal Contact Strategy When GIS systems lack utility details, successful land development requires direct communication with public works departments. I sent a detailed request to the city, including property maps and specific questions about: The $100,000 Infrastructure Reality Check The response from Public Works revealed the true cost of “city sewer nearby.” While water service was indeed available at the street, the sewer situation required major infrastructure development: Sewer Main Extension Requirements Hidden Land Development Costs Breakdown Breaking down the infrastructure requirements revealed staggering numbers: Sewer main extension: $45,000-60,000 (at $150-200 per linear foot) Manhole installations: $16,000-24,000 (two units at $8,000-12,000 each) Lift station system: $25,000-40,000 (depending on capacity) Engineering and permits: $10,000-15,000 Total estimated cost: $96,000-139,000 These figures didn’t include property-to-house connections or potential complications from other utilities in city streets. How Minor Partitions Create Infrastructure Gaps Sarah’s situation illustrates a growing problem in rural land development. Minor partitions, typically involving 2-3 lots, face less regulatory scrutiny than major subdivisions. This streamlined approval process can leave infrastructure responsibilities unclear until someone attempts to build. The original farm property had been served by private wells and septic systems. When divided, the city’s connection requirements applied to new construction, but the infrastructure to support those requirements didn’t exist. This regulatory gap between subdivision approval and infrastructure reality creates hidden costs that unsuspecting land buyers discover too late in the development process. Turning Hidden Costs Into Negotiation Power Discovering infrastructure requirements before making an offer transformed Sarah’s position from potential victim to informed negotiator. Knowledge of the true development costs provided several strategic options: Option 1: Seller Responsibility Require the property owner to complete sewer extension before closing, eliminating buyer risk but potentially reducing offer competitiveness. Option 2: Price Adjustment Strategy Reduce the purchase offer by estimated infrastructure costs, providing funds for required work while maintaining offer attractiveness. Option 3: Shared Investment Approach Negotiate split responsibility for infrastructure development, balancing risk and investment between parties. The key advantage was timing – understanding requirements before commitment allowed for strategic negotiation rather than crisis management. The Broader Impact of Hidden Infrastructure Costs Sarah’s case represents a systemic challenge affecting rural and small-town development nationwide. As agricultural land transitions to residential use, infrastructure capacity often lags behind development pressure. For land buyers, this creates a minefield of potential hidden costs. Property listings use terms like “utilities nearby” or “city services available” without clarifying actual connection requirements or associated expenses. Municipal planning departments, particularly in smaller communities, may lack resources for comprehensive infrastructure mapping. This forces individual property buyers to conduct their own utility feasibility studies – often after purchase when options become limited. Site Facts Review: Your Shield Against Hidden Costs A comprehensive site facts review provides systematic protection against hidden land development costs through: Infrastructure Gap Analysis Comparing property boundaries with existing utility service areas to identify extension requirements and associated costs. Municipal Code Compliance Review Understanding connection requirements, alternatives, and exceptions that might affect development feasibility and costs. Construction Timeline Assessment Evaluating how infrastructure requirements impact building schedules, permits, and financing considerations. Cost Estimation and Budgeting Researching local construction costs to quantify financial implications of discovered requirements. Without this systematic approach, land buyers risk discovering expensive surprises during the building permit process, when backing out is no longer financially viable. The Resolution: From Crisis to Success Armed with detailed infrastructure cost analysis, Sarah successfully negotiated a resolution that saved her dream home project. The seller, initially claiming ignorance about sewer requirements, faced documentation proving the infrastructure gap. Ultimately, they agreed to a shared investment approach: Sarah closed on the property with full knowledge of costs

What you ignore at the first site visit is what your client will hate you for after move-in. We’ve reviewed hundreds of post-move-in surveys, and the message is brutally clear: grading and drainage issues top the list of homeowner frustrations year after year. It’s not trim, it’s not paint—it’s water. Water in garages. Water standing against foundations. Water pooling into backyards. And almost every time? The early warning signs were there on day one. In this article, we’ll break down: Let’s dive in. Common Residential Drain Types (and When They’re Used) Understanding drainage solutions is key to avoiding future problems. Here are the big players: French Drain Curtain Drain Trench Drain Perimeter Drain Rain Drain Low Point Drain Area Drain Grading and Drainage Code Requirements (Oregon and Washington) Across Western Oregon and Washington, certain drainage systems are consistently required for residential construction due to wet seasonal climates and stormwater regulations. These include: Each county or city may have specific engineering design standards or stormwater manuals that add additional requirements, but these three systems (rain drains, perimeter drains, and low point drains) are core expectations across the region. Bottom Line: Proper planning for these drainage systems isn’t optional—it’s a codified part of responsible site development throughout Western Oregon and Washington. Where Drainage Problems Start (and How to Spot Them) Our review of hundreds of new construction homes shows the biggest pain points for drainage issues are: These issues don’t appear magically after closing. They’re visible—or preventable—during the first site walk if you know what to look for. When SiteFacts Flags Drainage Risk When we evaluate a lot through SiteFacts, here are the scenarios that trigger early drainage planning: Ignoring these indicators means passing problems down the line—to your trades, your warranty department, and ultimately, your customer. Conclusion: Control Water or Pay Later Grading and drainage issues aren’t cosmetic. They’re structural. They’re emotional. They’re expensive. And they’re preventable. The best time to fix a water problem is at the first site evaluation—not after a call from a furious customer standing ankle-deep in their new backyard “lake.” SiteFacts Reports are designed to surface these hidden risks early—before they cost you time, money, and reputation. Ready to make smarter, drier decisions? Visit www.sitefactsreport.com to learn more.