Real Estate Investing in Foster City, Michigan (49831)

Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.

Dickinson County • Population: 543 • Data updated: September 2026

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Should you buy in 49831 (Foster City, MI)? Our answer, based on the numbers below.

🏠 For Homebuyers
MIXED
Grade C (65/100)

Mixed signals — some positives, some negatives. Worth considering but not a slam-dunk.

📈 For Investors
MIXED
3.0 / 5 (52/100)

A cash-flow market — rent-to-price math works from day one, though value growth is modest. Great for income-focused investors.

⚠️ Risks to Know
1 flag
  • High vacancy: 50.6% of homes vacant — above national norms.

• Limited market data — this is a very small market; averages are built from few observations and can swing widely. • Modeled rent — no observed market rent for this ZIP; the figure is estimated from HUD fair-market rent.

What’s happening in Foster City, MI (49831)?

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3.0/ 5

Investability

Overall investment appeal

2.0/ 5

Appreciation

Long-term value growth

4.0/ 5

Cashflow ROI

Rental yield potential

Avg Home Value $174,934
Avg Monthly Rent $900
1% Rule ✗ Does Not Meet
Median Income $78,750
% Renters 3.0%

Market Analysis: 49831 Foster City

This part of Dickinson County is not an easy win. The 49831 ZIP records softness in key indicators, and the playbook that works in cleaner markets often stalls here.

If the plan assumes clean turnover, on-time rent, and low maintenance on a $175K asset, 49831 is the wrong submarket. If the plan prices in friction, the yield can still work.

From an investor standpoint, 49831 offers a low basis, the region around Foster City has moved on in ways that the ZIP itself has not fully absorbed. The result is a discount with genuine reasons.

On balance, 543 residents fill the ZIP, renter turnover runs higher than neighboring postal codes and delinquency risk is a real line item rather than a theoretical one.

New investors are better served looking at Foster City's stable or hybrid ZIPs before stepping into 49831. The learning curve here is expensive when the lesson is wrong.

Explore the Data — Click a Tab Below
🏦 Current 30-yr Fixed Mortgage Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS

Here's what matters if you're considering buying a home in Foster City:

B Good
Buy Confidence Score: 71/100
Affordability
25/25
Appreciation
18/25
Stability
7/20
Timing
6/15
Rental backup
15/15
Affordability
Affordable
Homes cost 2.2× the median income
Value Trend
Rising (+11.9%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $900/mo if you need to move
Market Conditions
WARM
Seller-favorable conditions, steady activity
Bottom Line: Mixed signals in this market. Research specific properties carefully and be prepared to negotiate.
☀️
WARM MARKET
Iron Mountain, MI-WI Metro Area
Seller-favorable conditions, steady activity
0 days
Average time to sell
Very Fast
5.6%
Listings with price cuts
Few Cuts
0.0%
Sale price vs asking
Below Ask
0.0%
Income needed for mortgage
Affordable
📅 Market conditions as of August 29, 2026 — updated weekly from Iron Mountain, MI-WI metro data

Market Trends

Home Value History (with trend line)

$181K$164K$147K$129K$112K$95KFeb 2016May 2021Jul 2026

📊 How Does 49831 Compare?

Metric 49831 Foster City Iron Mountain, MI-WI Michigan
Home Value $174,934 $87,467 N/A $253,279
5-Year CAGR 3.9% 3.9% N/A 6.8%
Avg Rent $900 $900 N/A -
Cap Rate 4.0% 4.0% - -
💡 Why Invest in 49831? Click to expand

With a 3/5 investability rating, this ZIP shows solid fundamentals for buy-and-hold investors.

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Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 49831 (Foster City, MI). Anonymous, moderated, never written by AI.

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Investability
Good
Cap Rate
4.0%
Fair
5yr Growth
+3.9%
Moderate

📊 Market Snapshot

Home Value $174,934
Monthly Rent $900
Price-to-Rent 16.2:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 6.2%
Cap Rate 4.0%
5-Year IRR 7.9%

📈 Home Appreciation

1-Year +11.9% ▲
3-Year CAGR +6.6% ▲
5-Year CAGR +3.9% ▲
10-Year CAGR +5.5% ▲

🏠 Rent Trends

1-Year N/A
3-Year CAGR N/A
5-Year CAGR N/A
Negative Leverage — IRR / Tax Play Cap Rate: 4.0%  |  30yr Rate: 6.8%
Leverage reduces cash returns at current rates.

The current 30-yr mortgage rate (6.8%) exceeds the estimated cap rate (4.0%). Financing reduces your cash-on-cash return below the cap rate. Markets like this may still make sense as IRR plays — factoring in appreciation, depreciation, and a future refinance when rates drop.

Run an IRR Analysis →

⚠️ Risk Signals

Composite view of factors that can impact a ZIP's stability and your downside risk.

Vacancy
50.6%
Elevated risk
Landlord Climate
5.0/5
Friendly
Value Trend (5yr)
+3.9%
Stable
Eviction process: Fast Rent control: Favorable

Demographics in 49831

Population: 543

💰 Median Household Income
$78,750
This area
$78,750
State
$68,013
USA
$74,580
🏠 Renter Occupied
3.0%
This area
3.0%
State
19.4%
USA
34.0%
💼 Unemployment Rate
0.2%
This area
0.2%
State
-2.8%
USA
3.7%
🎓 College Educated
14.4%
This area
14.4%
State
16.5%
USA
33.7%
👤 Median Age
55.2 years
This area
55.2 years
State
36.1 years
USA
38.9 years
🏚️ Vacancy Rate
50.6%
This area
50.6%
State
20.4%
USA
10.5%
👥 Population by Ethnicity
White 97.0%
Other/Mixed 3.0%
Hispanic/Latino 1.2%
👶 Under 18
17.0%
This area
17.0%
USA
22.0%
👴 65 and Over
32.9%
This area
32.9%
USA
17.3%
📊 Poverty Rate
0.6%
This area
0.6%
USA
11.5%

Crime & Safety

🚧

Crime & Safety Data Coming Soon

We're integrating comprehensive crime statistics including violent crime rates, property crime, and safety scores to help you make informed investment decisions.

Expected: Q1 2025

🎓 Schools in 49831

B Avg School Grade
1 Schools
16.8:1 Avg Class Size
$12,772 Avg Per Pupil

Schools in This ZIP Code

B Good

North Dickinson School

📚 K – 12 K-12
👥
264 Students
👨‍🏫
16.8:1 Class Size
💰
$12,772 Per Student
About Repit School Scores

Traditional school ratings rely heavily on standardized test scores, which often reflect family income more than school quality. Repit takes a different approach.

We evaluate schools based on factors that research shows actually impact educational outcomes:

  • Class Size — Smaller classes mean more individual attention
  • School Funding — Resources available for programs, staff, and facilities
  • Community Factors — Neighborhood characteristics that influence student success
  • School Environment — Size, type, and structure

Scores are updated annually using federal education data.

Frequently Asked Questions

What kind of vacancy should I budget for in Foster City, MI?

Foster City, MI vacancy trends elevated. Investors running standard buy-and-hold plays see reasonable downtime between tenants.

Does a duplex house hack pencil in Foster City, MI?

For house hackers, Foster City, MI is a challenging. The $900/mo rent on a unit helps defray the mortgage on a $175K property.

How should investors approach Foster City, MI?

In Foster City, MI the robust play is typically careful cash-flow rentals with hands-on management. The combination of $175K prices and $900/mo rents suits that approach.

Is housing expensive in Foster City, MI?

Foster City, MI median home values land near $175K. That is reasonable territory for investors looking at $900/mo-per-month rentals.

Are rents high in Foster City, MI?

Foster City, MI rentals go for roughly $900/mo a month. That puts gross yield in solid territory relative to $175K acquisition costs.

You know 49831 now. You don’t know where it ranks.

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How 49831 ranks in Iron Mountain, MI-WI

Every ZIP in this metro, ranked. Free.

Cash Flow → Appreciation → Affordable →
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